A
- abduction (Igor Douven)
- Abelard [Abailard], Peter (Peter King and Andrew Arlig)
- Abhidharma (Noa Ronkin)
- abilities (John Maier and Sophie Kikkert)
- Abner of Burgos (Shalom Sadik)
- abortion, ethics of (Elizabeth Harman)
- Abrabanel, Judah (Aaron Hughes)
- abstract objects (José L. Falguera, Concha Martínez-Vidal, and Gideon Rosen)
- Abū l-Barakāt (Lukas Muehlethaler)
- academic freedom (Jacob T. Levy)
- accidental properties — see essential vs. accidental properties
-  action (Juan S. Piñeros Glasscock and Sergio Tenenbaum)
   - joint — see agency: shared
- logic of — see logic: action
- practical reason and the structure of — see practical reason: and the structure of actions
- reasons for action – agent-neutral vs. agent-relative — see reasons for action: agent-neutral vs. agent-relative
- reasons for action – internal vs. external — see reasons for action: internal vs. external
- reasons for action – justification, motivation, explanation — see reasons for action: justification, motivation, explanation
 
- action-based theories of perception (Robert Briscoe, Rick Grush, and Alison Springle)
- action at a distance — see quantum mechanics: action at a distance in
- actualism — see possibilism-actualism debate
- actualism and possibilism in ethics (Travis Timmerman and Yishai Cohen)
- adaptationism (Steven Hecht Orzack and Patrick Forber)
- Addams, Jane (Maurice Hamington)
- Adorno, Theodor W. (Henry Pickford and Lambert Zuidervaart)
- advance directives (Agnieszka Jaworska)
- Aegidius Romanus — see Giles of Rome
- Aenesidemus — see skepticism: ancient
- aesthetic, concept of the (James Shelley)
- aesthetic experience (Antonia Peacocke)
-  aesthetics
   - 19th Century Romantic (Keren Gorodeisky)
- aesthetic judgment (Nick Zangwill)
- Beardsley — see Beardsley, Monroe C.: aesthetics
- British, in the 18th century (James Shelley)
- Chinese Philosophy (Yolaine Escande)
- and cognitive science (Jon Robson and Gregory Currie)
- Collingwood — see Collingwood, Robin George: aesthetics
- Croce — see Croce, Benedetto: aesthetics
- cultural appropriation — see cultural heritage, ethics of
- definition of art — see art, definition of
- Dewey — see Dewey, John: aesthetics
- environmental (Glenn Parsons and Allen Carlson)
- existentialist (Jean-Philippe Deranty)
- feminist — see feminist philosophy, interventions: aesthetics
- French, in the 18th century (Jennifer Tsien and Jacques Morizot)
- Gadamer — see Gadamer, Hans-Georg: aesthetics
- German, in the 18th century (Paul Guyer)
- Goodman — see Goodman, Nelson: aesthetics
- Hegel — see Hegel, Georg Wilhelm Friedrich: aesthetics
- Heidegger — see Heidegger, Martin: aesthetics
- Hume — see Hume, David: aesthetics
- in critical theory (Owen Hulatt)
- interpretation of art — see art: interpretation
- Japanese — see Japanese Philosophy: aesthetics
- late ancient and medieval (John Marenbon)
- Nietzsche — see Nietzsche, Friedrich: aesthetics
- phenomenological (Fiona Hughes)
- Plato — see Plato: aesthetics
- and race (Monique Roelofs)
- Schopenhauer — see Schopenhauer, Arthur: aesthetics
- Wittgenstein — see Wittgenstein, Ludwig: aesthetics
 
- aesthetics of the everyday (Yuriko Saito)
- aesthetic testimony (Jon Robson and Rebecca Wallbank)
- aesthetic value — see aesthetic, concept of the
- affirmative action (Robert Fullinwider)
-  Africana Philosophy (Lucius T. Outlaw Jr.)
   - contemporary (Paul C. Taylor)
 
-  African Philosophy
   - ethics (Kwame Gyekye)
- sage philosophy (Dismas Masolo)
 
- afterlife (William Hasker and Charles Taliaferro)
-  agency (Markus Schlosser)
   - shared (Abraham Sesshu Roth)
 
- agent-based modeling in philosophy of science — see modeling in the philosophy of science, agent-based
- agent-relative vs. agent-neutral reasons — see reasons for action: agent-neutral vs. agent-relative
- agnosticism (Paul Draper and Elizabeth Jackson)
- agnosticism and atheism — see atheism and agnosticism
- Agrippa — see skepticism: ancient
- Agrippa von Nettesheim, Heinrich Cornelius (Vittoria Perrone Compagni)
- Ajdukiewicz, Kasimierz (Peter Simons)
-  Akan Philosophy
   - of the person (Ajume Wingo)
 
- akrasia — see weakness of will
- al-Baghdadi, ‘Abd al-Latif (Cecilia Martini Bonadeo)
- al-Dīn al-Ṭūsī, Naṣīr (Sayeh Meisami and Reza Hadisi)
-  al-Farabi (Therese-Anne Druart)
   - metaphysics (Stephen Menn)
- philosophy of logic and language (Wilfrid Hodges and Therese-Anne Druart)
- philosophy of society and religion (Nadja Germann)
- psychology and epistemology (Luis Xavier López-Farjeat)
 
- al-Ghazali (Frank Griffel)
- al-Khūnajī, Afḍal al-Dīn (Behnam Zolghadr)
- al-Kindi (Peter Adamson)
- al-Qudat, ʿAyn (Muhammad U. Faruque and Mohammed Rustom)
- al-Razi, Abu Bakr (Peter Adamson)
- al-Razi, Fakhr al-Din (Peter Adamson and Fedor Benevich)
- Albalag, Isaac (Bakinaz Abdalla)
- Alberic of Paris (Heine Hansen and Boaz Faraday Schuman)
- Albert of Saxony (Joél Biard)
- Albert the Great [= Albertus Magnus] (Markus Führer)
- Albo, Joseph (Dror Ehrlich and Shira Weiss)
- Alcmaeon (Carl Huffman)
- Alexander, Samuel (Emily A. E. Thomas)
- Alexander of Aphrodisias (Dorothea Frede and Marije Martijn)
- algebra (Vaughan Pratt)
- algebra of logic tradition (Stanley Burris and Javier Legris)
- algorithmic fairness — see fairness: algorithmic
- alienation (David Leopold)
- Althusser, Louis (William Lewis)
-  altruism (Richard Kraut)
   - biological (Samir Okasha)
- empirical approaches (John Doris, Stephen Stich, Armin Schulz, and Lachlan Walmsley)
 
- Alyngton, Robert (Alessandro Conti)
- ambiguity (Adam Sennet)
- Ammonius (David Blank)
- Ammonius Saccas — see Plotinus
-  analogy
   - medieval theories of (E. Jennifer Ashworth and Domenic D’Ettore)
 
- analogy and analogical reasoning (Paul Bartha)
- analysis (Michael Beaney and Thomas Raysmith)
- analytic/synthetic distinction (Georges Rey)
- anaphora (Jeffrey C. King and Karen S. Lewis)
- anarchism (Andrew Fiala)
- Anaxagoras (Patricia Curd)
- Anaxarchus — see Pyrrho
- Anderson, John (Creagh McLean Cole)
- Andronicus of Rhodes — see Aristotle, commentators on
-  animal
   - cognition (Kristin Andrews and Susana Monsó)
- communication (Richard Moore and Giulia Palazzolo)
- consciousness (Colin Allen and Michael Trestman)
- normativity (Simon Fitzpatrick)
- social cognition (Cameron Buckner)
 
- animalism (Stephan Blatti)
-  animals
   - and religion — see religion: and animals
 
- animals, moral status of (Lori Gruen and Susana Monsó)
- animal thought (Laura Danón)
- anomalous monism (Steven Yalowitz)
- Anscombe, Gertrude Elizabeth Margaret (Eric Wiland and Julia Driver)
- Anselm of Canterbury [Anselm of Bec] (Thomas Williams)
- anti-realism, moral — see moral anti-realism
- Antiochus of Ascalon (James Allen)
- a posteriori knowledge — see a priori justification and knowledge
-  appearance vs. reality
   - epistemological problems of perception — see perception: epistemological problems of
- skepticism — see skepticism
 
- a priori justification and knowledge (Bruce Russell)
-  Aquinas, Thomas (Robert Pasnau)
   - moral, political, and legal philosophy (John Finnis)
 
-  Arabic and Islamic Philosophy, disciplines in
   - metaphysics (Amos Bertolacci)
- natural philosophy and natural science (Jon McGinnis)
- philosophy of language and logic (Tony Street and Nadja Germann)
- philosophy of logic (Tony Street and Riccardo Strobino)
- philosophy of mathematics (Mohammad Saleh Zarepour)
- philosophy of religion (Jon McGinnis and Rahim Acar)
- psychology and philosophy of mind (Alfred Ivry)
 
-  Arabic and Islamic Philosophy, historical and methodological topics in
   - Greek sources (Cristina D’Ancona)
- influence of Arabic and Islamic Philosophy on Judaic thought (Mauro Zonta and Charles Manekin)
- influence of Arabic and Islamic Philosophy on the Latin West (Dag Nikolaus Hasse)
 
-  Arabic and Islamic Philosophy, special topics in
   - essence and existence (Fedor Benevich)
- Ibn Kammūna — see Ibn Kammūna
- Ikhwān al-Safā’ — see Ikhwān al-Safā’
- mysticism (Mehdi Aminrazavi)
 
- Arcesilaus (Charles Brittain and Peter Osorio)
- architecture, philosophy of (Saul Fisher)
- Archytas (Carl Huffman)
- Arendt, Hannah (Tatjana Tömmel and Maurizio Passerin d’Entreves)
- arete — see ethics: ancient
- argument and argumentation (Catarina Dutilh Novaes)
-  arguments for epistemic norms
   - epistemic utility — see epistemic utility arguments for epistemic norms
 
- Aristippus — see Cyrenaics
-  Aristotelianism
   - commentators on Aristotle — see Aristotle, commentators on
- in the Renaissance (David Lines)
 
-  Aristotle (Christopher Shields)
   - De Motu Animalium (Klaus Corcilius)
- Sophistical Refutations (Annamaria Schiaparelli)
- Topics (Carrie Swanson)
 
-  Aristotle, commentators on (Andrea Falcon)
   - Alexander of Aphrosias — see Alexander of Aphrodisias
- Ammonius — see Ammonius
- David — see David
- Elias — see Elias
- Olympiodorus — see Olympiodorus
- Philoponus — see Philoponus
- Simplicius — see Simplicius
 
-  Aristotle, General Topics
   - aesthetics (Pierre Destrée)
- biology (James Lennox)
- categories (Paul Studtmann)
- ethics (Richard Kraut)
- logic (Robin Smith)
- metaphysics (S. Marc Cohen and C. D. C. Reeve)
- political theory (Fred Miller)
- psychology (Christopher Shields)
- rhetoric (Christof Rapp)
 
-  Aristotle, Special Topics
   - causality (Andrea Falcon)
- mathematics (Henry Mendell)
- natural philosophy (Istvan Bodnar)
- on non-contradiction (Paula Gottlieb)
- textual transmission of Aristotelian corpus (Justin Winzenrieth)
 
- Arnauld, Antoine (Elmar Kremer)
- Arouet, François-Marie — see Voltaire
- Arrow’s theorem (Michael Morreau)
-  art
   - erotic (Hans Maes)
- interpretation (Stacie Friend)
 
- art, conceptual (Elisabeth Schellekens)
- art, definition of (Thomas Adajian)
-  art and aesthetics
   - experimental philosophy of (Elzė Sigutė Mikalonytė, Ryan Doran, and Shen-yi Liao)
 
- art and ethical value (Anne W. Eaton and Nils Stear)
- artifact (Beth Preston)
-  artificial intelligence (Selmer Bringsjord and Naveen Sundar Govindarajulu)
   - automated reasoning — see reasoning: automated
- belief representation — see belief, formal representations of
- Chinese room argument — see Chinese room argument
- connectionism — see connectionism
- defeasible reasoning — see reasoning: defeasible
- epistemology of (Claus Beisbart)
- ethics of (Vincent C. Müller)
- frame problem — see frame problem
- logic-based (Richmond Thomason)
- Turing test — see Turing test
 
- Ashʿarism, classical (Francesco Zamboni)
- aspect — see tense and aspect
- assertion (Peter Pagin and Neri Marsili)
- associationist theories of thought (Eric Mandelbaum and Raphaël Millière)
- Astell, Mary (Alice Sowaal)
- atheism (Paul Draper and Felipe Leon)
- atheism and agnosticism (Paul Draper)
-  atomism
   - 17th to 20th century (Alan Chalmers)
- ancient (Sylvia Berryman)
 
- atonement (Joshua C. Thurow)
- attention (Christopher Mole)
- attributes — see properties
- auditory perception — see perception: auditory
- Augustine of Hippo (Christian Tornau)
- Auriol [Aureol, Aureoli], Peter (Russell L. Friedman)
- Austin, John (Brian Bix)
- Austin, John Langshaw (Guy Longworth)
- authenticity (Somogy Varga and Charles Guignon)
- authoritarianism (Alexander Kirshner)
-  authority (Tom Christiano and Stefan Sciaraffa)
   - legal — see legal obligation and authority
 
- automated reasoning — see reasoning: automated
-  autonomy
   - and informed consent — see informed consent
- in moral and political philosophy (John Christman)
- personal (Sarah Buss and Andrea Westlund)
 
-  Averroes — see Ibn Rushd
   - metaphysics — see Ibn Rushd: metaphysics
- natural philosophy — see Ibn Rushd: natural philosophy
- philosophy of religion — see Ibn Rushd: philosophy of religion
- psychology — see Ibn Rushd: psychology
 
- Avicebron — see Ibn Gabirol, Solomon
-  Avicenna — see Ibn Sina
   - logic — see Ibn Sina: logic
- metaphysics — see Ibn Sina: metaphysics
- natural philosophy — see Ibn Sina: natural philosophy
 
- awareness, bodily — see bodily awareness
- awareness in logic, game theory, and decision theory (Gaia Belardinelli, Rasmus Rendsvig, and Burkhard C. Schipper)
- Ayer, Alfred Jules (Graham Macdonald, Ádám Tamás Tuboly, and Nikhil Krishnan)
B [jump to top]
- Bacon, Francis (Jürgen Klein)
- Bacon, Roger (Jeremiah Hackett)
- Bain, Alexander — see Scottish Philosophy: in the 19th century
- basing relation, epistemic (Keith Allen Korcz)
- Baudrillard, Jean (Douglas Kellner)
- Bauer, Bruno (Douglas Moggach)
- Bayes’ Theorem (James Joyce)
- Bayle, Pierre (Michael Hickson)
-  Beardsley, Monroe C.
   - aesthetics (Michael Wreen)
 
- Beattie, James — see Scottish Philosophy: in the 18th Century
- beauty (Crispin Sartwell)
- Beauvoir, Simone de (Debra Bergoffen and Megan Burke)
- behaviorism (George Graham)
- being — see existence
-  being and becoming — see time
   - in modern physics — see space and time: being and becoming in modern physics
 
-  belief (Eric Schwitzgebel)
   - self-locating — see self-locating beliefs
 
- belief, ethics of (Andrew Chignell)
- belief, formal representations of (Konstantin Genin and Franz Huber)
- belief merging and judgment aggregation (Gabriella Pigozzi)
- Bell’s Theorem (Wayne Myrvold, Marco Genovese, and Abner Shimony)
- beneficence (Theron Pummer)
- beneficence, principle of (Tom Beauchamp)
- Benjamin, Walter (Peter Osborne and Matthew Charles)
- Bentham, Jeremy (James E. Crimmins)
- Bergson, Henri (Leonard Lawlor and Valentine Moulard-Leonard)
- Berkeley, George (Lisa Downing)
- Berlin, Isaiah (Joshua Cherniss and Henry Hardy)
- Bessarion, Basil [Cardinal] (Eva Del Soldato)
- bias, implicit (Michael Brownstein)
- binarium famosissimum [= most famous pair] (Paul Vincent Spade)
- biodiversity — see ecology: biodiversity
-  bioethics
   - in Latin American (Gustavo Ortiz Millan, Florencia Luna, and Eduardo Rivera López)
 
-  biological development
   - theories of (Melinda Bonnie Fagan and Jane Maienschein)
 
- biological individuals (Robert A. Wilson and Matthew J. Barker)
- biological information — see information: biological
-  biology
   - conservation — see conservation biology
- developmental — see developmental biology
- experiment in (Marcel Weber)
- molecular — see molecular biology
- philosophy of (Jay Odenbaugh and Paul Griffiths)
- reduction in — see reduction, scientific: in biology
- teleological notions in — see teleology: teleological notions in biology
 
-  biology, philosophy of
   - feminist — see feminist philosophy, interventions: philosophy of biology
 
- biomedicine, philosophy of (Sean Valles and Yael Friedman)
- Blair, Hugh — see Scottish Philosophy: in the 18th Century
- blame (Neal Tognazzini and D. Justin Coates)
- Bloch, Ernst (Ivan Boldyrev)
- bodily awareness (Frédérique de Vignemont)
- Bodin, Jean (Mario Turchetti)
- body — see substance
- Boethius, Anicius Manlius Severinus (John Marenbon)
- Boethius of Dacia (Sten Ebbesen)
-  Bohr, Niels
   - correspondence principle (Alisa Bokulich and Peter Bokulich)
 
-  Bolzano, Bernard (Edgar Morscher)
   - logic (Paul Rusnock and Jan Šebestik)
 
- Bonaventure (Tim Noone, R. E. Houser, and Joshua Benson)
- Book of Causes [= Liber de causis] (Richard Taylor)
- Boole, George (Stanley Burris)
-  Boolean algebra
   - the mathematics of (J. Donald Monk)
 
- Bosanquet, Bernard (William Sweet)
- boundary (Achille Varzi)
- bounded rationality (Gregory Wheeler)
- Boyle, Robert (Peter Anstey and Jan-Erik Jones)
-  Bradley, Francis Herbert (Stewart Candlish and Pierfrancesco Basile)
   - moral philosophy (Dina Babushkina and David Crossley)
- Regress (Katarina Perovic)
 
- brain death — see death: definition of
- brains in a vat — see skepticism: and content externalism
- branching time (Giuseppe Spolaore and Alberto Zanardo)
-  Brentano, Franz (Wolfgang Huemer)
   - theory of judgement (Johannes L. Brandl and Mark Textor)
 
- Broad, Charlie Dunbar (Kent Gustavsson)
- Brouwer, Luitzen Egbertus Jan (Mark van Atten)
- Brown, Thomas — see Scottish Philosophy: in the 19th century
- Bruno, Giordano (Dilwyn Knox)
- Buber, Martin (Michael Zank and Zachary Braiterman)
- Buddha (Mark Siderits)
-  Buddhism
   - Chan — see Chinese Philosophy: Chan Buddhism
- ethics in Indian Buddhism — see ethics: in Indian Buddhism
- ethics in Tibetan Buddhism — see ethics: in Tibetan Buddhism
- Korean — see Korean Philosophy: Buddhism
- mind in Indian Buddhist Philosophy — see mind: in Indian Buddhist Philosophy
- Tiantai — see Chinese Philosophy: Tiantai Buddhism
- Zen — see Japanese Philosophy: Zen Buddhism
 
- Buddhism: Huayan — see Chinese Philosophy: Huayan Buddhism
- bundle theory — see substance
- Buridan, John [Jean] (Jack Zupko)
- Burke, Edmund (Ian Harris)
- Burley [Burleigh], Walter (Alessandro Conti)
- Burnett, James [Lord Monboddo] — see Scottish Philosophy: in the 18th Century
-  Butler, Joseph
   - moral philosophy (Aaron Garrett)
 
- Byzantine Philosophy (Katerina Ierodiakonou and Börje Bydén)
C [jump to top]
- Caird, Edward — see Scottish Philosophy: in the 19th century
- Callicles — see Plato: Callicles and Thrasymachus
- Cambridge Platonists (Sarah Hutton)
- Campanella, Tommaso (Germana Ernst and Jean-Paul De Lucca)
- Campbell, George — see Scottish Philosophy: in the 18th Century
- Camus, Albert (Ronald Aronson)
- cancer (Anya Plutynski and Lucie Laplane)
- capability approach (Ingrid Robeyns and Morten Fibieger Byskov)
- capitalism (Chiara Cordelli)
- capital punishment (Claire Finkelstein)
- Cardano, Girolamo [Geronimo] (Guido Giglioni and Jonathan Regier)
- Carmichael, Gershom — see Scottish Philosophy: in the 18th Century
- Carnap, Rudolf (Hannes Leitgeb and André Carus)
- Carneades (James Allen)
- Cassirer, Ernst (Michael Friedman)
- casuistry — see reasoning: moral
-  categories (Amie Thomasson)
   - medieval theories of (Jorge Gracia and Lloyd Newton)
 
- category mistakes (Ofra Magidor)
- category theory (Jean-Pierre Marquis)
- causal determinism — see determinism: causal
- causal models (Christopher Hitchcock)
-  causation
   - backward (Jan Faye)
- counterfactual theories of (Peter Menzies and Helen Beebee)
- in Arabic and Islamic thought (Kara Richardson)
- in physics (Mathias Frisch)
- in the law (Michael Moore)
- and manipulability (James Woodward)
- medieval theories of (Graham White)
- mental — see mental causation
- the metaphysics of (J. Dmitri Gallow)
- probabilistic (Christopher Hitchcock)
- regularity and inferential theories of (Holger Andreas and Mario Guenther)
- retrocausality in quantum mechanics — see quantum mechanics: retrocausality
 
- Cavendish, Margaret Lucas (David Cunning)
- cell biology, philosophy of (William Bechtel and Andrew Bollhagen)
- cellular automata (Francesco Berto and Jacopo Tagliabue)
- censorship — see pornography: and censorship
- certainty (Baron Reed)
- ceteris paribus laws — see laws of nature: ceteris paribus
-  chance
   - versus randomness (Antony Eagle)
 
-  change
   - and inconsistency (Chris Mortensen)
 
- change: Chinese philosophy of — see Chinese Philosophy: philosophy of change
- chaos (Robert Bishop)
-  character, moral (Marcia Homiak)
   - empirical approaches (Christian B. Miller)
 
- Châtelet, Émilie du (Karen Detlefsen)
- Chatton, Walter (Rondo Keele and Jenny Pelletier)
- chemistry, philosophy of (Michael Weisberg, Paul Needham, and Robin Hendry)
- childhood, the philosophy of (Gareth Matthews and Amy Mullin)
- children, philosophy for (Michael Pritchard)
-  Chile
   - philosophy in (Ivan Jaksic)
 
- chimeras, human/non-human — see ethics, biomedical: chimeras, human/non-human
-  Chinese Confucianism
   - Modern Confucianism (David Elstein)
 
- Chinese ethics — see Chinese Philosophy: ethics
-  Chinese Philosophy
   - aesthetics — see aesthetics: Chinese Philosophy
- Chan Buddhism (Peter Hershock)
- Chinese medicine (Lisa Raphals)
- Compared to Western Philosophy — see comparative philosophy: Chinese and Western
- Confucius — see Confucius
- contemporary (Chung-yi Cheng)
- Dai Zhen — see Dai Zhen
- Daoism (Taoism) — see Daoism
- emotions in early Chinese Philosophy (Bongrae Seok)
- epistemology (Jana Rošker)
- ethics (David Wong)
- Han Dynasty (Alexus McLeod)
- Huayan Buddhism (Bryan Van Norden and Nicholaos Jones)
- Laozi — see Laozi
- legalism in (Yuri Pines)
- logic and language in Early Chinese Philosophy (Marshall D. Willman)
- Mencius — see Mencius
- metaphysics (Franklin Perkins)
- mind (heart-mind) (David Wong)
- Mohism (Chris Fraser)
- Mohist Canons (Chris Fraser)
- Neo-Daoism — see Neo-Daoism
- philosophy of change (Tze-Ki Hon)
- Qing philosophy (On-cho Ng)
- religion (Ellen Zhang)
- science (Lisa Raphals)
- social and political thought (Stephen C. Angle)
- Song-Ming Confucianism (Justin Tiwald)
- Tiantai Buddhism (Brook Ziporyn)
- translating and interpreting (Chad Hansen, David Wong, and Henry Rosemont Jr.)
- Wang Yangming — see Wang Yangming
- Xunzi — see Xunzi
- Zhuang Zi — see Zhuangzi
- Zhu Xi — see Zhu Xi
 
- Chinese room argument (David Cole)
- Chisholm, Roderick (Richard Feldman and Fred Feldman)
- choice, axiom of (John L. Bell)
- choice, dynamic (Chrisoula Andreou)
- choice, social — see social choice theory
- Christian theology, philosophy and (William Wood)
- Church, Alonzo (Harry Deutsch and Oliver Marshall)
- Church-Turing Thesis (B. Jack Copeland)
- Church’s Thesis — see Church-Turing Thesis
- Cicero (Raphael Woolf)
- citizenship (Dominique Leydet)
- civic education (Jack Crittenden and Peter Levine)
- civic humanism (Cary Nederman)
- civil disobedience (Candice Delmas and Kimberley Brownlee)
- civil rights (Robin L. West)
- Clarke, Samuel (Timothy Yenter and Ezio Vailati)
- Clauberg, Johannes (Nabeel Hamid)
- Clement of Alexandria — see doxography of ancient philosophy
- climate justice — see justice: climate
- climate science (Wendy Parker)
- clinical research, ethics of — see ethics, biomedical: clinical research
- cloning (Katrien Devolder)
- Cockburn, Catharine Trotter (Patricia Sheridan)
- coercion (Scott Anderson)
-  cognition
   - animal — see animal: cognition
- embodied (Lawrence Shapiro and Shannon Spaulding)
 
- cognitive disability and moral status (David Wasserman, Adrienne Asch, Jeffrey Blustein, and Daniel Putnam)
- cognitive penetration (Steven Gross and Chaz Firestone)
- cognitive science (Paul Thagard)
- cognitivism vs. non-cognitivism, moral (Mark van Roojen)
- Cohen, Hermann (Scott Edgar)
-  Collingwood, Robin George (Giuseppina D’Oro and James Connelly)
   - aesthetics (Gary Kemp)
 
- Collins, Anthony (William Uzgalis)
- colonialism (Margaret Kohn and Kavita Reddy)
- color (Barry Maund)
- common cause principle — see Reichenbach, Hans: common cause principle
- common good (Waheed Hussain and Margaret Kohn)
- common ground in pragmatics (Bart Geurts)
- common knowledge (Peter Vanderschraaf and Giacomo Sillari)
-  communication
   - animal — see animal: communication
 
- communitarianism (Daniel Bell)
- comparative cognition, methods in (Marta Halina)
-  comparative philosophy
   - Chinese and Western (David Wong)
 
- compatibilism (Michael McKenna and D. Justin Coates)
- competence, in biomedical decision-making — see decision-making capacity
-  complexity
   - computability and — see computability and complexity
- computational — see computational complexity theory
 
- composition, the vagueness of — see many, problem of
- compositionality (Zoltán Gendler Szabó)
- computability and complexity (Neil Immerman)
-  computation
   - in physical systems (Gualtiero Piccinini)
 
- computational complexity theory (Walter Dean)
- computational linguistics — see linguistics: computational
- computational philosophy (Patrick Grim and Daniel Singer)
- computational theory of mind — see mind: computational theory of
- computer science, philosophy of (Nicola Angius, Giuseppe Primiero, and Raymond Turner)
-  computing
   - modern history of (B. Jack Copeland)
- and moral responsibility (Merel Noorman)
 
- Comte, Auguste (Michel Bourdeau)
-  concepts (Eric Margolis and Stephen Laurence)
   - normative (Laura Schroeter, Francois Schroeter, and Stephen Finlay)
 
- condemnation of 1277 (Hans Thijssen)
- Condillac, Étienne Bonnot de (Lorne Falkenstein and Giovanni Grandi)
-  conditionals (Dorothy Edgington)
   - counterfactual (Willow Starr and Alex Kocurek)
- logic of — see logic: conditionals
 
-  Condorcet, Marie-Jean-Antoine-Nicolas de Caritat, Marquis de
   - in the history of feminism (Joan Landes)
 
- confirmation (Vincenzo Crupi)
-  Confucianism
   - gender in Confucian philosophy (Li-Hsiang Rosenlee)
- Japanese — see Japanese Philosophy: Confucian
- Korean — see Korean Philosophy: Confucianism
- Mencius — see Mencius
- Modern Confucianism — see Chinese Confucianism: Modern Confucianism
- Song-Ming — see Chinese Philosophy: Song-Ming Confucianism
- Wang Yangming — see Wang Yangming
- Xunzi — see Xunzi
- Zhu Xi — see Zhu Xi
 
- Confucius (Mark Csikszentmihalyi)
- connectionism (Cameron Buckner and James Garson)
-  connectives
   - sentence connectives in formal logic (Lloyd Humberstone)
 
-  conscience (Alberto Giubilini)
   - medieval theories of (Peter Eardley)
 
-  consciousness (Robert Van Gulick)
   - animal — see animal: consciousness
- higher-order theories (Peter Carruthers and Rocco Gennaro)
- and intentionality (Charles Siewert)
- neuroscience of (Wayne Wu and Jorge Morales)
- representational theories of (William Lycan)
- seventeenth-century theories of (Larry M. Jorgensen)
- temporal (Barry Dainton)
- unity of (Farid Masrour, Andrew Brook, and Paul Raymont)
 
- consent (Tom Dougherty)
- consent, sexual (Kate Greasley)
- consequence, medieval theories of (Catarina Dutilh Novaes and Milo Crimi)
-  consequentialism (Walter Sinnott-Armstrong)
   - rule (Brad Hooker)
 
- consequentializing (Douglas W. Portmore)
- conservation biology (Jay Odenbaugh)
- conservatism (Andy Hamilton)
- constitutionalism (Wil Waluchow and Dimitrios Kyritsis)
- constructive empiricism (Chad Mohler and Bradley Monton)
-  constructivism
   - in metaethics (Carla Bagnoli)
- in political philosophy (Andrew Williams)
 
- content externalism and skepticism — see skepticism: and content externalism
- contextualism, epistemic (Patrick Rysiew)
- Continental Rationalism (Shannon Dea, Julie Walsh, and Thomas M. Lennon)
- continuity and infinitesimals (John L. Bell)
- continuum hypothesis — see set theory: continuum hypothesis
- contractarianism (Ann Cudd and Seena Eftekhari)
- contract law, philosophy of (Daniel Markovits and Emad Atiq)
- contractualism (Elizabeth Ashford and Tim Mulgan)
- contradiction (Laurence R. Horn)
-  convention (Michael Rescorla)
   - moral/conventional distinction — see moral/conventional distinction
 
- Conway, Lady Anne (Sarah Hutton)
- Cooper, Anna Julia (Kathryn Sophia Belle)
- Copernicus, Nicolaus (Sheila Rabin)
- Cordemoy, Géraud de (Fred Ablondi)
- corruption (Seumas Miller)
- cosmological argument (Bruce Reichenbach)
-  cosmology
   - methodological debates in the 1930s and 1940s (George Gale)
- and theology (Hans Halvorson and Helge Kragh)
 
- cosmology, philosophy of (Christopher Smeenk and George Ellis)
- cosmopolitanism (Pauline Kleingeld and Eric Brown)
- counterfactuals — see conditionals: counterfactual
- counterpart theory — see possible objects
- Crathorn, William (Aurélien Robert)
- creation and conservation (David Vander Laan)
- creationism (Michael Ruse)
- creativity (Elliot Samuel Paul and Dustin Stokes)
- Crescas, Hasdai (Shalom Sadik)
- criminal law, theories of (James Edwards)
- critical philosophy of race (Linda Alcoff)
- critical race theory — see critical philosophy of race
-  critical theory (Robin Celikates and Jeffrey Flynn)
   - aesthetics in — see aesthetics: in critical theory
 
- critical thinking (David Hitchcock)
-  Croce, Benedetto (Gary Kemp and Richard Bellamy)
   - aesthetics (Gary Kemp)
 
- Crummell, Alexander (Stephen Thompson)
- Cudworth, Ralph (Sarah Hutton)
- Cugoano, Ottobah (Antonia LoLordo)
- cultural evolution — see evolution: cultural
- cultural heritage, ethics of (Erich Hatala Matthes)
-  culture (Patti Tamara Lenard)
   - and cognitive science (Daniel Kelly and Andreas De Block)
 
- Curry’s paradox (Lionel Shapiro and Jc Beall)
- Cusanus, Nicolaus [Nicolas of Cusa] (Clyde Lee Miller)
- Cynics, in ancient Greek philosophy (Eric Brown and Isabelle Chouinard)
- Cyrenaics (Voula Tsouna)
D [jump to top]
- Dai Zhen (Frank Y. C. Chong and Chris Fraser)
- d’Alembert, Jean le Rond (Ronald Calinger and Marius Stan)
- Damascius (Jonathan Greig)
- Damian, Peter (Toivo J. Holopainen)
- dance, philosophy of (Renee Conroy and Aili Bresnahan)
- Dante Alighieri (Winthrop Wetherbee and Jason Aleksander)
-  Daoism (Chad Hansen)
   - Laozi — see Laozi
- Neo-Daoism — see Neo-Daoism
- religious (Fabrizio Pregadio)
- Zhuang Zi — see Zhuangzi
 
-  Darwin, Charles
   - from the Origin of Species to the Descent of Man — see evolution: from the Origin of Species to the Descent of Man
 
- Darwinism (James Lennox and Charles H. Pence)
- Dasein — see Heidegger, Martin
- Daud, Abraham Ibn — see Ibn Daud, Abraham
- David (Christian Wildberg)
- Davidson, Donald (Jeff Malpas)
-  death (Steven Luper)
   - definition of (David DeGrazia)
 
- death penalty — see capital punishment
- de Beauvoir, Simone — see Beauvoir, Simone de
-  deception (James Edwin Mahon and Don Fallis)
   - definition of — see lying and deception: definition of
- self — see self-deception
 
- decision-making capacity (Jennifer Hawkins and Louis C. Charland)
-  decision theory (Katie Steele and H. Orri Stefánsson)
   - causal (Paul Weirich)
- descriptive (Jake Chandler)
- expected utility theories of rational choice — see rational choice, normative: expected utility
- non-expected-utility theories of rational choice — see rational choice, normative: rivals to expected utility
 
-  Dedekind, Richard
   - contributions to the foundations of mathematics (Erich Reck)
 
- deductivism in the philosophy of mathematics (Alexander Paseau and Fabian Pregel)
- defaults in semantics and pragmatics (Katarzyna M. Jaszczolt)
- definitions (Anil Gupta and Stephen Mackereth)
- dehumanization (Ben Phillips)
- Deleuze, Gilles (Daniel Smith, John Protevi, and Daniela Voss)
- Delmedigo, Elijah (Michael Engel)
- delusion (Lisa Bortolotti)
- demarcation of science — see science: and pseudo-science
-  democracy (Tom Christiano and Sameer Bajaj)
   - economic (Lisa Herzog)
- global (Jonathan Kuyper)
 
- Democritus (Sylvia Berryman)
-  demonstration
   - Aristotle’s theory of — see Aristotle, General Topics: logic
- medieval theories of (John Longeway)
 
- demonstratives — see indexicals
- denotation — see reference
- deontological ethics — see ethics: deontological
- dependence, ontological (Tuomas E. Tahko and E. Jonathan Lowe)
- depiction (John Hyman and Katerina Bantinaki)
- Derrida, Jacques (Leonard Lawlor)
-  Descartes, René (Gary Hatfield)
   - epistemology (Lex Newman)
- ethics (Donald Rutherford)
- life and works (Kurt Smith)
- mathematics (Mary Domski)
- method (Tarek R. Dika)
- modal metaphysics (David Cunning)
- ontological argument (Lawrence Nolan)
- physics (Edward Slowik)
- and the pineal gland (Gert-Jan Lokhorst)
- theory of emotion — see emotion: 17th and 18th century theories of
- theory of ideas (Kurt Smith)
 
- descriptions (Peter Ludlow)
- desert (Fred Feldman and Brad Skow)
- Desgabets, Robert (Patricia Easton)
- design, argument from — see teleology: teleological arguments for God’s existence
- desire (Tim Schroeder)
- de Staël, Germaine (Kristin Gjesdal)
- determinates and determinables (Jessica Wilson)
-  determinism
   - ancient theories of — see freedom: ancient theories of
- causal (Carl Hoefer)
 
-  developmental biology (Alan Love)
   - evolution and development (Jan Baedke and Scott F. Gilbert)
- theories of — see biological development: theories of
 
-  Dewey, John (David Hildebrand)
   - aesthetics (Tom Leddy and Kalle Puolakka)
- moral philosophy (Elizabeth Anderson)
- political philosophy (Matthew Festenstein)
 
- Dharmakīrti (Tom Tillemans)
-  diagrams
   - and diagrammatical reasoning (Sun-Joo Shin, Oliver Lemon, and John Mumma)
- epistemology of — see visual thinking in mathematics: epistemology of
 
- Dialectical School (Susanne Bobzien and Matthew Duncombe)
- dialectics, Hegel’s — see Hegel, Georg Wilhelm Friedrich: dialectics
- dialetheism (Graham Priest, Francesco Berto, and Zach Weber)
- Diderot, Denis (Charles T. Wolfe and J.B. Shank)
- Dietrich of Freiberg (Sylvain Roudaut, Véronique Decaix, and Markus Führer)
- digital art, philosophy of (Katherine Thomson-Jones and Shelby Moser)
- dignity (Remy Debes)
- Dilthey, Wilhelm (Rudolf Makkreel)
- Diodorus Cronus (Matthew Duncombe)
- Diogenes Laertius — see doxography of ancient philosophy
- Dionysius the Areopagite — see Pseudo-Dionysius the Areopagite
- dirty hands, the problem of (C.A.J. Coady)
-  disability
   - critical disability theory (Melinda C. Hall)
- definitions and models (David Wasserman and Sean Aas)
- feminist perspectives on — see feminist philosophy, topics: perspectives on disability
- health, well-being, personal relationships (David Wasserman, Adrienne Asch, Jeffrey Blustein, and Daniel Putnam)
- and health care rationing (Jerome Bickenbach)
- and justice (Daniel Putnam, David Wasserman, Jeffrey Blustein, and Adrienne Asch)
 
-  disagreement (Bryan Frances and Jonathan Matheson)
   - moral — see moral disagreement
 
- discourse representation theory (Bart Geurts, David I. Beaver, and Emar Maier)
- discrimination (Andrew Altman)
- disease — see health
- disjunction (Maria Aloni)
- dispositions (Sungho Choi and Michael Fara)
- Dissoi Logoi — see Sophists, The
-  distributive justice — see justice: distributive
   - and empirical moral psychology (Christian B. Miller)
- international — see justice: international distributive
 
-  diversity
   - religious — see religious diversity
 
-  divine
   - command theory — see voluntarism, theological
- foreknowledge and free will — see free will: divine foreknowledge and
- freedom — see freedom: divine
- hiddenness — see hiddenness of God
- illumination (Robert Pasnau)
- providence — see providence, divine
- revelation — see revelation, divine
- simplicity — see simplicity: divine
 
- doing vs. allowing harm (Fiona Woollard, Frances Howard-Snyder, and Charlotte Unruh)
- domestic partnership and marriage — see marriage and domestic partnership
- domination (Richard C. McCammon)
- donation and sale of human eggs and sperm (Reuven Brandt, Stephen Wilkinson, and Nicola Williams)
- donation of human organs (Martin Wilkinson and Stephen Wilkinson)
- double consciousness (John P. Pittman)
- double effect, doctrine of (Alison McIntyre)
- Douglass, Frederick (Ronald Sundstrom)
- doxastic voluntarism (Mark Boespflug and Elizabeth Jackson)
- doxography of ancient philosophy (Jaap Mansfeld and David Runia)
- dreams and dreaming (Jennifer M. Windt)
- dualism (Howard Robinson and Ralph Weir)
- Du Bois, W.E.B. (Robert Gooding-Williams)
- Du Bos, Jean-Baptiste (James O. Young and Margaret Cameron)
- Duhem, Pierre (Roger Ariew)
- Dunbar, James — see Scottish Philosophy: in the 18th Century
- Duns Scotus, John (Thomas Williams)
- Dutch book arguments (Susan Vineberg)
- dynamic epistemic logic — see logic: dynamic epistemic
- dynamic semantics — see semantics: dynamic
E [jump to top]
- Early Modern India, analytic philosophy in (Jonardon Ganeri)
- Eckhart, Meister — see Meister Eckhart
- ecological genetics — see genetics: ecological
-  ecology (Alkistis Elliott-Graves)
   - biodiversity (Daniel P. Faith)
- conservation biology — see conservation biology
 
- economic democracy — see democracy: economic
-  economics
   - in early modern philosophy (Margaret Schabas)
- philosophy of (Daniel M. Hausman)
- Ramsey and intergenerational welfare economics — see Ramsey, Frank: and intergenerational welfare economics
 
- economics [normative] and economic justice (Marc Fleurbaey)
- education, philosophy of (Randall Curren)
- Edwards, Jonathan (William Wainwright)
- egalitarianism (Juliana Bidadanure and David Axelsen)
- egoism (Robert Shaver)
- Ehrenfels, Christian von (Robin Rollinger and Carlo Ierna)
-  Einstein, Albert
   - the hole argument — see space and time: the hole argument
- philosophy of science (Don A. Howard and Marco Giovanelli)
 
- Elias (Christian Wildberg)
- Elisabeth, Princess of Bohemia (Lisa Shapiro)
- emergent properties (Timothy O’Connor)
- Emerson, Ralph Waldo (Russell Goodman)
-  emotion (Andrea Scarantino and Ronald de Sousa)
   - 17th and 18th century theories of (Amy M. Schmitter)
- in Early Chinese philosophy — see Chinese Philosophy: emotions in early Chinese Philosophy
- in the Christian tradition (Robert Roberts)
- medieval theories of (Simo Knuuttila)
- responses to fiction — see fiction: emotional responses to
 
- empathy (Karsten Stueber)
- Empedocles (K. Scarlett Kingsley and Richard Parry)
-  empirical approaches
   - altruism — see altruism: empirical approaches
- character, moral — see character, moral: empirical approaches
- moral responsibility — see moral responsibility: empirical approaches
- psychology of normative cognition — see normative cognition, psychology of
 
-  empiricism — see rationalism vs. empiricism
   - ancient and medieval (Gregory W. Dawes)
- constructive — see constructive empiricism
- logical (Richard Creath)
 
- end of life, aging and (Simon Keller and Monika Betzler)
- Engels, Friedrich (Matthew Shafer)
- Enlightenment (William Bristow)
- entailment — see logical consequence
- entity realism (Matthias Egg, Frederick Britt, and Mahdi Khalili)
-  entropy
   - and information processing — see information processing: and thermodynamic entropy
 
- envy (Justin D’Arms)
- Epictetus (Margaret Graver)
- Epicurus (David Konstan)
- epiphenomenalism (William Robinson)
- episteme and techne [= scientific knowledge and expertise] (Richard Parry)
- epistemic basing relation — see basing relation, epistemic
- epistemic closure (Steven Luper)
- epistemic injustice (Lauren Leydon-Hardy and Eric Bayruns García)
- epistemic oppression (Tempest Henning)
- epistemic paradoxes (Roy Sorensen)
- epistemic self-doubt — see self-doubt, epistemic
- epistemic utility arguments for epistemic norms (Richard Pettigrew)
-  epistemology (Matthias Steup and Ram Neta)
   - of artificial intelligence — see artificial intelligence: epistemology of
- Bayesian (Hanti Lin)
- contextualism in — see contextualism, epistemic
- evolutionary (Michael Bradie and William Harms)
- feminist — see feminist philosophy, interventions: epistemology and philosophy of science
- in classical Indian philosophy — see Indian Philosophy (Classical): epistemology
- in Latin America (Diego Machuca)
- moral — see moral epistemology
- moral, a priorism in — see moral epistemology: a priorism in
- naturalism in (Patrick Rysiew)
- reliabilist — see reliabilist epistemology
- social (Cailin O’Connor, Sanford Goldberg, and Alvin Goldman)
- social feminist — see feminist philosophy, interventions: social epistemology
- virtue (John Turri, Mark Alfano, and John Greco)
 
- epistemology, formal (Jonathan Weisberg)
- epsilon calculus (Jeremy Avigad and Richard Zach)
-  equality (Stefan Gosepath)
   - of educational opportunity (Liam Shields, Anne Newman, and Debra Satz)
- of opportunity (Gideon Elford)
 
- equivalence of mass and energy (Francisco Fernflores)
- Erasmus, Desiderius (Erika Rummel and Eric MacPhail)
- ergodic hierarchy (Roman Frigg, Joseph Berkovitz, and Fred Kronz)
- Eriugena, John Scottus (Dermot Moran and Adrian Guiu)
- Erlangen School (methodological constructivism) — see methodological constructivism (Erlangen School)
- essence, real — see Locke, John: on real essence
- essentialism — see essential vs. accidental properties
- essential vs. accidental properties (Teresa Robertson Ishii and Philip Atkins)
- eternity, in Christian thought (Natalja Deng)
-  ethics
   - actualism and possibilism — see actualism and possibilism in ethics
- ancient (Richard Parry and Harald Thorsrud)
- of belief — see belief, ethics of
- business (Jeffrey Moriarty)
- Chinese — see Chinese Philosophy: ethics
- deontological (Larry Alexander and Michael Moore)
- environmental (Andrew Brennan and Norva Y. S. Lo)
- feminist — see feminist philosophy, interventions: ethics
- in Hinduism (Purushottama Bilimoria)
- in Indian Buddhism (Charles Goodman and Aaron Schultz)
- internet research (Elizabeth A. Buchanan and Michael Zimmer)
- in Tibetan Buddhism (Emily McRae and Nicolas Bommarito)
- natural law tradition (Mark Murphy)
- objectivity in (Melissa Barry)
- and personal identity — see personal identity: and ethics
- search engines and (Herman Tavani and Michael Zimmer)
- and social networking — see social networking and ethics
- thick concepts — see thick ethical concepts
- utilitarian — see consequentialism
- virtue (Rosalind Hursthouse and Glen Pettigrove)
 
- ethics, African — see African Philosophy: ethics
-  ethics, applied
   - phenomenological approaches to ethics and information technology — see information technology: phenomenological approaches to ethics and
 
-  ethics, biomedical
   - abortion, ethics of — see abortion, ethics of
- advance directives and substitute decision-making — see advance directives
- chimeras, human/non-human (Robert Streiffer)
- clinical research (David Wendler)
- cloning — see cloning
- decision-making capacity — see decision-making capacity
- disability — see disability: definitions and models
- disease and health, concepts of — see health
- the donation and sale of human eggs and sperm — see donation and sale of human eggs and sperm
- the donation of human organs — see donation of human organs
- human enhancement — see human enhancement
- informed consent — see informed consent
- justice, inequality, and health (Douglas MacKay and Gopal Sreenivasan)
- justice and access to health care (Norman Daniels)
- pregnancy, birth, and medicine — see pregnancy, birth, and medicine
- privacy and medicine (Anita Allen)
- public health ethics — see public health: ethics
- the sale of human organs — see sale of human organs
- stem cell research (Andrew Siegel)
- theory (Jennifer Flynn)
 
- eudaimonia — see ethics: ancient
- Eudoxus (Victor Gysembergh)
- eugenics (Inmaculada de Melo-Martin and Sara Goering)
- Euler, Leonhard (Michael Veldman)
-  euthanasia
   - voluntary (Robert Young)
 
- events (Roberto Casati and Achille Varzi)
-  evidence (Thomas Kelly)
   - the legal concept of (Hock Lai Ho)
- scientific — see confirmation
 
- evidence, higher-order (Sophie Horowitz)
-  evil
   - concept of (Todd Calder)
- kinds and origins (Andrew Chignell)
- problem of (Michael Tooley)
 
-  evolution (Roberta L. Millstein)
   - concept before Darwin (Phillip Sloan)
- cultural (Tim Lewens and Andrew Buskell)
- from the Origin of Species to the Descent of Man (Phillip Sloan)
 
- evolutionary approaches to religion — see religion: evolutionary approaches
- evolutionary ethics — see morality: and evolutionary biology
- evolutionary game theory — see game theory: evolutionary
- evolutionary psychology — see psychology: evolutionary
- existence (Michael Nelson)
-  existentialism (Kevin Aho)
   - aesthetics — see aesthetics: existentialist
- Mexican (Carlos Sánchez)
 
- experience, aesthetic — see aesthetic experience
- experimental jurisprudence — see jurisprudence, experimental
- experimental moral philosophy (Mark Alfano, Edouard Machery, Alexandra Plakias, and Don Loeb)
-  experimental philosophy (Joshua Knobe and Shaun Nichols)
   - and foundational issues (Joachim Horvath and Jenny Nado)
- and metaphilosophyd — see experimental philosophy: and foundational issues
 
- experimental philosophy of art and aesthetics — see art and aesthetics: experimental philosophy of
-  experimentation
   - in biology — see biology: experiment in
- in physics — see physics: experiment in
 
-  explanation
   - mathematical — see mathematical: explanation
- metaphysics — see metaphysical explanation
- scientific — see scientific explanation
 
- exploitation (Matt Zwolinski, Benjamin Ferguson, and Alan Wertheimer)
-  externalism
   - and self-knowledge (T. Parent)
 
- externalism about the mind (Mark Rowlands, Joe Lau, and Max Deutsch)
- extrinsic — see intrinsic vs. extrinsic properties
- Ezra, Abraham Ibn — see Ibn Ezra, Abraham
F [jump to top]
- facts (Kevin Mulligan and Fabrice Correia)
-  fairness (Brad Hooker)
   - algorithmic (Deborah Hellman)
 
- faith (John Bishop and Daniel J. McKaughan)
- Falaquera, Shem Tov Ibn (Steve Harvey)
- fallacies (Hans Hansen)
- Fanon, Frantz (John Drabinski)
- fatalism (Hugh Rice)
- Fechner, Gustav Theodor (Frederick C. Beiser)
- federalism (Andreas Follesdal)
- Feigl, Herbert (Matthias Neuber)
- Fell, Margaret (Jacqueline Broad)
- feminist philosophy (Noëlle McAfee, Ann Garry, Anita Superson, Heidi Grasswick, and Serene Khader)
-  feminist philosophy, approaches
   - analytic philosophy (Ann Garry)
- Black feminist philosophy (Lindsey Stewart)
- continental philosophy (Dilek Huseyinzadegan, Jana McAuliffe, Jameliah Inga Shorter-Bourhanou, B. Tamsin Kimoto, Ege Selin Islekel, Marie Draz, and Erika Brown)
- intersections between analytic and continental philosophy (Georgia Warnke)
- intersections between pragmatist and continental philosophy (Shannon Sullivan and Erin Tarver)
- Latin American feminism (Stephanie Rivera Berruz)
- pragmatism (Judy Whipps and Danielle Lake)
- psychoanalytic philosophy (Claudia Leeb and Emily Zakin)
 
-  feminist philosophy, interventions
   - aesthetics (Carolyn Korsmeyer and Peg Brand Weiser)
- bioethics (Jackie Leach Scully)
- environmental philosophy (Karen J. Warren)
- epistemology and philosophy of science (Elizabeth Anderson)
- ethics (Kathryn Norlock and Jordan Pascoe)
- history of philosophy (Charlotte Witt, Lisa Shapiro, Christina Van Dyke, Lydia L. Moland, and Marcia Robinson)
- liberal feminism (Amy R. Baehr)
- metaphysics (Katharine Jenkins, Matthew Cull, Sally Haslanger, and Ásta)
- moral psychology (Anita Superson)
- philosophy of biology (Carla Fehr and Letitia Meynell)
- philosophy of language (Jennifer Saul, Esa Diaz-Leon, and Samia Hesni)
- philosophy of law (Leslie Francis)
- philosophy of mind (Jennifer McWeeny)
- philosophy of religion (Nancy Frankenberry and Mary-Jane Rubenstein)
- political philosophy (Noëlle McAfee and Katie B. Howard)
- social epistemology (Heidi Grasswick)
 
-  feminist philosophy, topics
   - perspectives on argumentation (Catherine E. Hundleby)
- perspectives on autonomy (Natalie Stoljar)
- perspectives on class and work (Ann Ferguson, Rosemary Hennessy, and Mechthild Nagel)
- perspectives on disability (Anita Silvers)
- perspectives on globalization (Serena Parekh and Shelley Wilcox)
- perspectives on objectification (Evangelia (Lina) Papadaki)
- perspectives on power (Amy Allen)
- perspectives on rape (Rebecca Whisnant)
- perspectives on reproduction and the family (Debra Satz)
- perspectives on science (Sharon Crasnow)
- perspectives on sex and gender (Mari Mikkola)
- perspectives on sex markets (Laurie Shrage)
- perspectives on the body (Kathleen Lennon and Clara Fischer)
- perspectives on the self (Ellie Anderson, Cynthia Willett, and Diana Meyers)
- perspectives on trans issues (Talia Bettcher)
 
- Ferguson, Adam — see Scottish Philosophy: in the 18th Century
- Ferrier, James — see Scottish Philosophy: in the 19th century
- Feuerbach, Ludwig Andreas (Todd Gooch)
- Feyerabend, Paul (Eric Oberheim and John Preston)
- Fichte, Johann Gottlieb (Dan Breazeale)
- Ficino, Marsilio (Christopher S. Celenza)
-  fiction (Fred Kroon and Alberto Voltolini)
   - emotional responses to (Katie Tullmann)
- fictional entities (Fred Kroon and Alberto Voltolini)
 
-  fictionalism (Matti Eklund)
   - in the philosophy of mathematics — see mathematics, philosophy of: fictionalism
- modal (Daniel Nolan)
 
- fideism (Richard Amesbury)
- film, philosophy of (Thomas Wartenberg)
- finance, philosophy of money and — see money and finance, philosophy of
- Findlay, J.N. (Douglas Lackey)
- fine-tuning (Simon Friederich)
- finitism (Shaughan Lavine)
- Fitch’s paradox of knowability (Berit Brogaard and Joe Salerno)
- fitness (Alexander Rosenberg and Frederic Bouchard)
- fitting attitude theories of value (Christopher Howard)
- FitzRalph, Richard (Michael W. Dunne)
- Fleck, Ludwik (Wojciech Sady)
-  folk psychology
   - as mental simulation (Luca Barlassina and Robert M. Gordon)
- as a theory (Daniel Hutto and Ian Ravenscroft)
 
- Foot, Philippa (John Hacker-Wright)
- foreknowledge, divine — see free will: divine foreknowledge and
- forgiveness (Paul M. Hughes and Brandon Warmke)
- formal epistemology — see epistemology, formal
-  formalism
   - in the philosophy of mathematics — see mathematics, philosophy of: formalism
 
- formal philosophy of science (Stephan Hartmann and Sebastian Lutz)
- formal representations of belief — see belief, formal representations of
- Forms [Platonic] — see Plato: middle period metaphysics and epistemology
- form vs. matter (Thomas Ainsworth)
- Foucault, Michel (Gary Gutting and Johanna Oksala)
- four dimensionalism — see temporal parts
- frame problem (Murray Shanahan)
- Francis of Marchia (Christopher Schabel)
- Frankfurt School — see critical theory
-  freedom
   - academic — see academic freedom
- ancient theories of (Tim O’Keefe)
- of association (Kimberley Brownlee and David Jenkins)
- divine (Klaas Kraay)
- positive and negative — see liberty: positive and negative
- of speech (Jeffrey W. Howard)
 
- free rider problem (Garrett Cullity)
-  free will (Timothy O’Connor and Christopher Franklin)
   - (nondeterministic) theories of — see incompatibilism: (nondeterministic) theories of free will
- divine foreknowledge and (David Hunt and Linda Zagzebski)
 
-  Frege, Gottlob (Edward N. Zalta)
   - controversy with Hilbert (Patricia Blanchette)
- logic (Roy Cook)
- theorem and foundations for arithmetic (Edward N. Zalta)
 
- friendship (Bennett Helm)
- Fuller, Margaret (Daniel Howe)
-  function
   - in biology — see teleology: teleological notions in biology
- propositional — see propositional function
- recursive — see recursive functions
 
- functionalism (Janet Levin)
- fundamentality (Tuomas E. Tahko)
-  future contingents (Peter Øhrstrøm and Per Hasle)
   - medieval theories of (Gloria Frost and Simo Knuuttila)
 
G [jump to top]
-  Gadamer, Hans-Georg (Jeff Malpas)
   - aesthetics (Nicholas Davey and Cynthia Nielsen)
 
- Galen (P. N. Singer)
- Galileo Galilei (Peter Machamer and David Marshall Miller)
- game-theoretic semantics and pragmatics (Anton Benz and Roland Mühlenbernd)
-  games
   - abstraction and completeness (Felice Cardone)
- logic and — see logic: and games
- logics for analyzing — see logic: for analyzing games
 
-  game theory (Don Ross)
   - epistemic foundations of (Eric Pacuit and Olivier Roy)
- and ethics (Keith Hankins and Peter Vanderschraaf)
- evolutionary (J. McKenzie Alexander)
 
- Gaṅgeśa (Stephen Phillips)
- Gassendi, Pierre (Saul Fisher)
- gauge theories in physics (John Dougherty)
- Gelukpa [dge lugs pa] (Douglas Duckworth)
- gene (Robert Meunier)
- generalized quantifiers (Dag Westerståhl)
-  general relativity
   - early philosophical interpretations of (Thomas A. Ryckman)
 
- generic generalizations (Sarah-Jane Leslie and Adam Lerner)
- genetic drift (Roberta L. Millstein)
-  genetics (James Tabery)
   - ecological (Michael Wade)
- genotype/phenotype distinction (Peter Taylor and Richard Lewontin)
- molecular (Ken Waters)
- population (Samir Okasha)
 
- genomics and postgenomics (Stephan Guttinger and John Dupré)
-  geometry
   - epistemology of (Jeremy Gray and José Ferreirós)
- finitism in (Jean Paul Van Bendegem)
- in the 19th century (Roberto Torretti)
 
- George, Eliot (Clare Carlisle)
- Gerard, Alexander — see Scottish Philosophy: in the 18th Century
-  German Philosophy
   - in the 18th century, prior to Kant (Corey Dyck and Brigitte Sassen)
 
- Gersonides (Tamar Rudavsky)
- Giles of Rome (Roberto Lambertini)
- given, the — see justification, epistemic: foundationalist theories of
- global democracy — see democracy: global
- globalization (William Scheuerman)
- global justice — see justice: global
-  God
   - and other necessary beings (Matthew Davidson)
- and other ultimates (Jeanine Diller)
 
-  God, arguments for belief in
   - pragmatic — see pragmatic arguments and belief in God
 
-  God, arguments for the existence of
   - cosmological — see cosmological argument
- Descartes’ ontological — see Descartes, René: ontological argument
- moral arguments (C. Stephen Evans and David Baggett)
- ontological — see ontological arguments
- teleological — see teleology: teleological arguments for God’s existence
 
- Godfrey of Fontaines (John Wippel)
- Godwin, William (Mark Philp)
-  Gödel, Kurt (Juliette Kennedy)
   - incompleteness theorems (Panu Raatikainen)
 
-  Goodman, Nelson (Daniel Cohnitz and Marcus Rossberg)
   - aesthetics (Alessandro Giovannelli)
 
- goodness, perfect (Mark Murphy)
- goods, public — see public goods
- Gorampa [go rams pa] (Constance Kassor)
-  grammar
   - categorial — see grammar: typelogical
- typelogical (Michael Moortgat)
 
- Gramsci, Antonio (James Martin)
- gratitude (Tony Manela)
- Green, Thomas Hill (David Brink)
- Gregory of Rimini (Christopher Schabel and Charles Girard)
- Grice, Paul (Richard E. Grandy and Richard Warner)
- Grosseteste, Robert (Neil Lewis and Nicola Polloni)
- Grotius, Hugo (Jon Miller)
- grounding, metaphysical (Ricki Bliss and Kelly Trogdon)
- group rights — see rights: group
H [jump to top]
- Habermas, Jürgen (James Gordon Finlayson and Dafydd Huw Rees)
- haecceitism (Sam Cowling)
-  haecceity — see substance
   - medieval theories of (Richard Cross)
 
- Halevi, Judah (Barry Kogan)
- Hamann, Johann Georg (Gwen Griffith-Dickson)
- Hamilton, William — see Scottish Philosophy: in the 19th century
- happiness (Dan Haybron)
- Hare, Richard Mervyn (Anthony Price)
- Hartley, David (Richard Allen)
- Hartmann, Nicolai (Keith Peterson and Roberto Poli)
- Hartshorne, Charles (Dan Dombrowski)
- hate speech (Luvell Anderson and Michael Barnes)
- Hayek, Friedrich (David Schmidtz and Peter Boettke)
- health (Dominic Murphy)
- heart-mind, in Chinese Philosophy — see Chinese Philosophy: mind (heart-mind)
- heaven and hell in Christian thought (Thomas Talbott)
- hedonism (Andrew Moore)
-  Hegel, Georg Wilhelm Friedrich (Paul Redding)
   - aesthetics (Stephen Houlgate)
- dialectics (Julie E. Maybee)
- social and political philosophy (Thom Brooks)
 
-  Heidegger, Martin (Mark Wrathall)
   - aesthetics (Iain Thomson)
 
- hell and heaven in Christian thought — see heaven and hell in Christian thought
- Helmholtz, Hermann von (Lydia Patton)
- Hempel, Carl (James Fetzer)
- Henry, Michel (Frédéric Seyler)
- Henry of Ghent (Pasquale Porro)
- Heraclitus (Daniel W. Graham)
- Herbart, Johann Friedrich (Alan Kim)
- Herder, Johann Gottfried von (Michael Forster)
-  heritability (Stephen M. Downes and Lucas Matthews)
   - inheritance systems — see inheritance systems
 
- hermeneutics (Theodore George)
- Heytesbury, William (Miroslav Hanke and Elzbieta Jung)
- hiddenness of God (Daniel Howard-Snyder and Adam Green)
-  Hilbert, David
   - controversy with Frege — see Frege, Gottlob: controversy with Hilbert
- program in the foundations of mathematics (Richard Zach)
 
- Hippias — see Sophists, The
- history, philosophy of (Daniel Little)
-  Hobbes, Thomas (Stewart Duncan)
   - moral and political philosophy (Sharon A. Lloyd and Susanne Sreedhar)
- philosophy of science (Marcus P. Adams)
- theory of emotion — see emotion: 17th and 18th century theories of
 
- Holbach, Paul-Henri Thiry (Baron) d’ (Michael LeBuffe)
- holes (Roberto Casati and Achille Varzi)
- Holkot [Holcot], Robert (Hester Gelber and John T. Slotemaker)
- Home, Henry [Lord Kames] — see Scottish Philosophy: in the 18th Century
- homosexuality (Brent Pickett)
- Hook, Sidney (David Sidorsky and Robert Talisse)
- hope (Claudia Bloeser and Titus Stahl)
- Horkheimer, Max (J.C. Berendzen)
- human enhancement (Eric Juengst and Daniel Moseley)
- human genome project (Lisa Gannett)
-  humanism
   - civic — see civic humanism
 
- human nature (Neil Roughley)
- human rights — see rights: human
- human test subjects — see ethics, biomedical: clinical research
- Humboldt, Alexander von (Dalia Nassar)
- Humboldt, Wilhelm von (Kurt Mueller-Vollmer and Markus Messling)
-  Hume, David (William Edward Morris and Charlotte R. Brown)
   - aesthetics (Theodore Gracyk)
- and Kant on causality — see Kant, Immanuel: and Hume on causality
- and Kant on morality — see Kant, Immanuel: and Hume on morality
- moral philosophy (Rachel Cohon)
- Newtonianism and Anti-Newtonianism (Eric Schliesser and Tamás Demeter)
- on free will (Paul Russell)
- on religion (Paul Russell and Anders Kraal)
- theory of emotion — see emotion: 17th and 18th century theories of
 
- humility — see modesty and humility
- humor, philosophy of (John Morreall)
- Husserl, Edmund (Dan Zahavi)
- Hutcheson, Francis — see Scottish Philosophy: in the 18th Century
-  Hutcheson, Francis (Dale Dorsey)
   - theory of emotion — see emotion: 17th and 18th century theories of
 
- hybrid logic — see logic: hybrid
- hyperintensionality (Francesco Berto and Daniel Nolan)
I [jump to top]
- Iamblichus (Riccardo Chiaradonna and Adrien Lecerf)
- Ibn ‘Arabî (William Chittick)
- Ibn ʿArabi, school of (Fitzroy Morrissey and Ismail Lala)
- Ibn Bâjja [Avempace] (Josep Puig Montada)
- Ibn Daud, Abraham (Resianne Fontaine and Amira Eran)
- Ibn Ezra, Abraham (Tzvi Langermann)
- Ibn Falaquera, Shem Tov — see Falaquera, Shem Tov Ibn
- Ibn Gabirol, Solomon [Avicebron] (Sarah Pessin)
- Ibn Kammūna (Tzvi Langermann)
- Ibn Paquda, Bahya (Omer Michaelis)
-  Ibn Rushd [Averroes] (Fouad Ben Ahmed and Robert Pasnau)
   - metaphysics (Matteo di Giovanni)
- natural philosophy (Josep Puig Montada)
- philosophy of religion (Richard Taylor)
- psychology (Richard Taylor)
 
-  Ibn Sina [Avicenna] (Dimitri Gutas)
   - logic (Riccardo Strobino)
- metaphysics (Olga Lizzini)
- natural philosophy (Jon McGinnis)
 
- Ibn Taymiyya (Jon Hoover)
- Ibn Tibbon, Samuel — see Tibbon, Samuel Ibn
- iconicity (Gabriel Greenberg)
- ideal and nonideal theory in political philosophy (Zofia Stemplowska and Laura Valentini)
- idealism (Paul Guyer and Rolf-Peter Horstmann)
- idealization (Angela Potochnik)
-  identity (Harold Noonan and Ben Curtis)
   - of indiscernibles (Gonzalo Rodriguez-Pereyra)
- over time (Andre Gallois)
- personal — see personal identity
- relative (Harry Deutsch and Pawel Garbacz)
- transworld (Penelope Mackie and Mark Jago)
 
- identity politics (Cressida Heyes)
- identity theory of mind — see mind/brain identity theory
- ideology (William Clare Roberts)
- ideology, law and — see law: and ideology
- idiolects (Alex Barber and Eduardo Garcia Ramirez)
- Ikhwān al-Safā’ (Carmela Baffioni)
- imagery, mental — see mental imagery
-  imagination (Shen-yi Liao and Tamar Gendler)
   - scientific — see scientific imagination
 
- imaginative resistance (Emine Hande Tuna)
- imitation game — see Turing test
- immigration (Christopher Heath Wellman)
- immortality — see afterlife
- immunology, philosophy of (Bartlomiej Swiatczak and Alfred I. Tauber)
- immutability (Brian Leftow)
- impartiality (Troy Jollimore)
-  implicature (Wayne Davis)
   - optimality theoretic and game theoretic approaches (Robert van Rooij and Michael Franke)
 
- implicit bias — see bias, implicit
- impossible worlds (Francesco Berto and Mark Jago)
- incarnation (Richard Cross)
-  incommensurability
   - of scientific theories (Eric Oberheim and Paul Hoyningen-Huene)
- of values — see value: incommensurable
 
- incomparable values — see value: incommensurable
-  incompatibilism
   - (nondeterministic) theories of free will (Randolph Clarke, Justin Capes, and Philip Swenson)
- arguments for (Kadri Vihvelin)
 
- indexicals (David Braun)
-  Indian Philosophy (Classical)
   - concept of emotion (Joerg Tuske)
- epistemology (Stephen Phillips and Anand Vaidya)
- language and testimony (Madhav Deshpande)
- literal-nonliteral distinction (Malcolm Keating)
- logic (Brendan Gillon)
- metaphysics — see metaphysics: in classical Indian philosophy
- monism in — see monism in Classical Indian Philosophy
- naturalism (Amita Chatterjee)
- perceptual experience and concepts (Monima Chadha)
- personhood (Monima Chadha)
- rasa — see Rasa in Classical Indian Philosophy
- self-knowledge (Christian Coseru)
 
- individualism, methodological (Joseph Heath)
- individuals, biological — see biological individuals
-  induction
   - problem of (Leah Henderson)
 
- inductive logic — see logic: inductive
- inequality — see equality
- inertial systems — see space and time: inertial frames
- inference to the best explanation — see abduction
- infinite regress arguments (Ross Cameron)
- infinitesimals — see continuity and infinitesimals
- infinity (Kenny Easwaran, Alan Hájek, Paolo Mancosu, and Graham Oppy)
- informal logic — see logic: informal
-  information (Pieter Adriaans)
   - biological (Marc Artiga)
- and logic — see logic: and information
- quantum entanglement and — see quantum theory: quantum entanglement and information
- semantic conceptions of (Sebastian Sequoiah-Grayson and Luciano Floridi)
 
-  information processing
   - and thermodynamic entropy (Owen Maroney)
 
-  information technology
   - and moral values (John Sullins)
- phenomenological approaches to ethics and (Lucas Introna)
- and privacy (Jeroen van den Hoven, Martijn Blaauw, Wolter Pieters, and Martijn Warnier)
 
- informed consent (Nir Eyal)
- Ingarden, Roman (Amie Thomasson)
- inherence — see substance
- inheritance systems (Ehud Lamm)
- innate/acquired distinction (Paul Griffiths and Stefan Linquist)
-  innateness
   - and contemporary theories of cognition (Jerry Samet and Deborah Zaitchik)
- historical controversies (Jerry Samet)
- and language (Fiona Cowie)
 
- inner speech (Daniel Gregory and Peter Langland-Hassan)
- inquiry (Dennis Whitcomb, Arianna Falbo, and David Thorstad)
- insolubles [= insolubilia] (Stephen Read and Paul Vincent Spade)
- instrumental rationality — see rationality: instrumental
- integrity (Damian Cox, Marguerite La Caze, and Michael Levine)
- intelligent design, theory of — see creationism
- intensional transitive verbs (Graeme Forbes)
- intention (Kieran Setiya)
-  intentionality (Pierre Jacob)
   - collective (David P. Schweikard and Hans Bernhard Schmid)
- consciousness and — see consciousness: and intentionality
- in ancient philosophy (Victor Caston)
- phenomenal (David Bourget and Angela Mendelovici)
 
- internal vs. external reasons for action — see reasons for action: internal vs. external
- international law, philosophy of (John Tasioulas and Guglielmo Verdirame)
- internet research ethics — see ethics: internet research
- interpretation of art — see art: interpretation
- intrinsic vs. extrinsic properties (Dan Marshall and Brian Weatherson)
- introspection (Eric Schwitzgebel)
- intuition (Joel Pust)
-  intuitionism
   - ethics — see moral intuitionism
- in the philosophy of mathematics — see mathematics, philosophy of: intuitionism
 
-  intuitionistic logic — see logic: intuitionistic
   - development of — see logic, history of: intuitionistic logic
 
- intuitionistic type theory — see type theory: intuitionistic
- inverted qualia — see qualia: inverted
- Israeli, Isaac (Leonard Levin, R. David Walker, and Shalom Sadik)
- Italos, John (András Kraft)
J [jump to top]
- Jacobi, Friedrich Heinrich (Paolo Livieri and George di Giovanni)
- Jaina Philosophy (Marie-Hélène Gorisse)
- James, William (Russell Goodman)
- James of Viterbo (Antoine Côté)
-  Japanese Philosophy (Thomas Kasulis)
   - aesthetics (Graham Parkes and Adam Loughnane)
- Confucian (John Tucker)
- Kokugaku School [Native Japan Studies School] (Gideon Fujiwara and Peter Nosco)
- Kūkai (John Krummel)
- Kyoto School (Bret W. Davis)
- Nishida Kitarō — see Nishida Kitarō
- Pure Land (Dennis Hirota)
- Watsuji Tetsurō — see Watsuji Tetsurō
- Zen Buddhism (Shigenori Nagatomo)
 
- Jaspers, Karl (Chris Thornhill and Ronny Miron)
- Jayarāśi (Piotr Balcerowicz)
- Jefferson, Thomas (M. Andrew Holowchak)
- Jevons, William Stanley (Bert Mosselmans)
-  Jewish philosophy of religion
   - epistemology and theology (David Shatz and Aaron Segal)
- ethics, society, and ritual (David Shatz and Aaron Segal)
 
- John of Salisbury (Karen Bollermann and Cary Nederman)
- Jones, Emily Elizabeth Constance (Gary Ostertag)
- Judah Halevi — see Halevi, Judah
-  judgment
   - aesthetic — see aesthetics: aesthetic judgment
 
- judgment aggregation and belief merging — see belief merging and judgment aggregation
- jurisprudence, experimental (Kevin Tobia, Guilherme Almeida, Karolina Prochownik, and Ivar Hannikainen)
- jury theorems (Franz Dietrich and Kai Spiekermann)
-  justice (David Miller)
   - and access to health care — see ethics, biomedical: justice and access to health care
- and bad luck — see luck: justice and bad luck
- climate (Simon Caney)
- and disability — see disability: and justice
- distributive (Julian Lamont and Christi Favor)
- distributive justice and empirical moral psychology — see distributive justice: and empirical moral psychology
- economic — see economics and economic justice
- global (Gillian Brock and Nicole Hassoun)
- inequality and health — see ethics, biomedical: justice, inequality, and health
- intergenerational (Lukas Meyer)
- international distributive (Michael Blake and Patrick Taylor Smith)
- retributive (Alec Walen)
- territorial — see territorial rights and justice
- transitional (Nir Eisikovits)
- as a virtue (Mark LeBar)
 
-  justification, epistemic
   - a priori — see a priori justification and knowledge
- coherentist theories of (Erik Olsson)
- foundationalist theories of (Ali Hasan and Richard Fumerton)
- internalist vs. externalist conceptions of (George Pappas)
- reliabilism — see reliabilist epistemology
- transmission of — see transmission of justification and warrant
 
-  justification, political
   - public (Kevin Vallier)
 
K [jump to top]
-  Kant, Immanuel (Michael Rohlf)
   - account of reason (Garrath Williams)
- aesthetics and teleology (Hannah Ginsborg)
- conceptualism/nonconceptualism (Colin McLear)
- critique of metaphysics (Michelle Grier)
- and Hume on causality (Graciela De Pierris and Michael Friedman)
- and Hume on morality (Eric Entrican Wilson and Lara Denis)
- and Leibniz (Catherine Wilson)
- moral philosophy (Robert Johnson and Adam Cureton)
- philosophical development (Martin Schönfeld and Michael Thompson)
- philosophy of mathematics (Lisa Shabel)
- philosophy of religion (Lawrence Pasternack and Courtney Fugate)
- philosophy of science (Eric Watkins and Marius Stan)
- social and political philosophy (Frederick Rauscher)
- theory of judgment (Robert Hanna)
- transcendental arguments (Derk Pereboom)
- transcendental idealism (Nicholas F. Stang)
- view of mind and consciousness of self (Andrew Brook and Julian Wuerth)
- views on space and time (Andrew Janiak)
 
- Kaspi, Joseph (Hannah Kasher and Moshe Kahan)
- Kepler, Johannes (Daniel A. Di Liscia)
- Kierkegaard, Søren (John Lippitt and C. Stephen Evans)
- killing vs. letting die — see doing vs. allowing harm
- Kilvington, Richard (Elzbieta Jung)
- Kilwardby, Robert (José Filipe Silva)
-  knowledge
   - analysis of (Jonathan Ichikawa and Matthias Steup)
- a priori — see a priori justification and knowledge
- by acquaintance vs. description (Ali Hasan and Richard Fumerton)
- self- — see self-knowledge
 
- knowledge, value of (Duncan Pritchard, John Turri, and J. Adam Carter)
- knowledge how (Carlotta Pavese)
- Kochen-Specker theorem — see quantum mechanics: Kochen-Specker theorem
- Kokugaku (Native Japan Studies) School — see Japanese Philosophy: Kokugaku School
-  Korean Philosophy (Halla Kim)
   - Buddhism (Lucy Hyekyung Jee)
- Confucianism (Kevin N. Cawley)
 
- Kuhn, Thomas (Alexander Bird)
- Kumārila (Daniel Arnold)
- Kūkai — see Japanese Philosophy: Kūkai
L [jump to top]
- Lacan, Jacques (Adrian Johnston)
- Ladd-Franklin, Christine (Frederique Janssen-Lauret)
- La Forge, Louis de (Andrea Sangiacomo and Desmond Clarke)
- Lakatos, Imre (Alan Musgrave and Charles Pigden)
- lambda calculus, the (Jesse Alama and Johannes Korbmacher)
- Lambert of Auxerre (Sara L. Uckelman)
- Landmann-Kalischer, Edith (Daniel Dahlstrom)
- Lange, Friedrich Albert (Nadeem J. Z. Hussain and Lydia Patton)
- Langer, Susanne (Juliet Floyd)
- language of thought hypothesis (Michael Rescorla)
- Laozi (Alan Chan)
- large cardinals and determinacy — see set theory: large cardinals and determinacy
-  Latin American Philosophy (Jorge Gracia and Manuel Vargas)
   - analytic philosophy in (Diana Ines Perez and Santiago Echeverri)
- bioethics — see bioethics: in Latin American
- epistemology — see epistemology: in Latin America
- feminism — see feminist philosophy, approaches: Latin American feminism
- liberalism — see liberalism: in Latin America
- metaphilosophical foundations (Susana Nuccetelli)
- philosophy of biology — see philosophy of biology: in Latin America
- philosophy of science — see philosophy of science: in Latin America
- skepticism — see skepticism: in Latin America
 
- Latinx Philosophy (Manuel Vargas)
-  law
   - and ideology (Christine Sypnowich)
- and language (Timothy Endicott)
- limits of — see limits of law
- nature of — see nature of law: natural law theories
- rule of — see rule of law and procedural fairness
 
-  laws of nature (John W. Carroll)
   - ceteris paribus (Alexander Reutlinger, Gerhard Schurz, Andreas Hüttemann, and Siegfried Jaag)
 
- learning, perceptual (Kevin Connolly and Adrienne Prettyman)
- learning theory, formal (Oliver Schulte)
- Lefèvre d’Étaples, Jacques (Richard J. Oosterhoff)
- legal interpretation (Mark Greenberg)
- legal obligation and authority (Massimo Renzo and Leslie Green)
-  legal philosophy
   - economic analysis of law (Lewis Kornhauser)
 
- legal positivism — see nature of law: legal positivism
- legal probabilism (Rafal Urbaniak and Marcello Di Bello)
- legal punishment — see punishment, legal
-  legal reasoning (John Horty and Henry Prakken)
   - interpretation and coherence in (Julie Dickson)
- precedent and analogy in (Grant Lamond)
 
- legal rights (Ori Herstein)
- legitimacy, political (Fabienne Peter)
- Le Grand, Antoine (Patricia Easton)
-  Leibniz, Gottfried Wilhelm (Brandon C. Look)
   - ethics (Andrew Youpa and Saja Parvizian)
- Exoteric Philosophy (John Whipple)
- influence on 19th century logic (Volker Peckhaus)
- modal metaphysics (Brandon C. Look)
- on causation (Marc Bobro)
- on the problem of evil (Michael J. Murray and Sean Greenberg)
- philosophy of mind (Mark Kulstad and Laurence Carlin)
- philosophy of physics (Jeffrey K. McDonough)
 
- Leibowitz, Yeshayahu (Daniel Rynhold)
- Leone Ebreo — see Abrabanel, Judah
- Leśniewski, Stanisław (Peter Simons)
- Leucippus (Sylvia Berryman)
- levels of organization in biology (Markus I. Eronen and Daniel Stephen Brooks)
- Levinas, Emmanuel (Bettina Bergo)
- Lewis, Clarence Irving (Bruce Hunter)
-  Lewis, David (Brian Weatherson)
   - metaphysics (Ned Hall, Brian Rabern, and Wolfgang Schwarz)
 
-  liar paradox (Jc Beall, Michael Glanzberg, and Ellie Ripley)
   - in Arabic and Islamic Philosophy (Ahmed Alwishah and David Sanson)
 
- liberal feminism — see feminist philosophy, interventions: liberal feminism
-  liberalism (Shane D. Courtland, Gerald Gaus, and David Schmidtz)
   - in Latin America (Faviola Rivera)
 
- liberation, philosophy of (Eduardo Mendieta)
- Liber de causis — see Book of Causes
- libertarianism (Bas van der Vossen and Billy Christmas)
-  liberty
   - positive and negative (Ian Carter)
 
-  life (Carlos Mariscal)
   - meaning of (Thaddeus Metz)
 
- lifeworld — see Husserl, Edmund
- limits of law (John Stanton-Ife)
- linear logic — see logic: linear
-  linguistics
   - computational (Lenhart Schubert)
- philosophy of (Barbara C. Scholz, Francis Jeffry Pelletier, Geoffrey K. Pullum, and Ryan Nefdt)
 
- Lipsius, Justus (Jan Papy)
- literature, philosophy and (R. Lanier Anderson and Yi-Ping Ong)
- living wills — see advance directives
- Llull, Ramon (Ernesto Priani)
- location and mereology (Cody Gilmore, Claudio Calosi, and Damiano Costa)
- Locke, Alain LeRoy (Jacoby Adeshei Carter and Corey Barnes)
-  Locke, John (William Uzgalis)
   - moral philosophy (Patricia Sheridan)
- on freedom (Samuel Rickless)
- on medicine (Jonathan Craig Walmsley)
- on personal identity (Jessica Gordon-Roth)
- on real essence (Jan-Erik Jones)
- philosophy of science (Hylarie Kochiras)
- political philosophy (Alex Tuckness)
 
-  logic
   - action (Krister Segerberg, John-Jules Meyer, and Marcus Kracht)
- algebraic propositional (Ramon Jansana)
- ancient (Susanne Bobzien)
- awareness in — see awareness in logic, game theory, and decision theory
- of belief revision (Sven Ove Hansson)
- classical (Stewart Shapiro and Teresa Kouri Kissel)
- combinatory (Katalin Bimbó)
- combining (Walter Carnielli and Marcelo Esteban Coniglio)
- conditionals (Paul Egré and Hans Rott)
- connexive (Heinrich Wansing)
- deontic (Paul McNamara and Frederik Van De Putte)
- dependence (Pietro Galliani)
- dialogical (Nicolas Clerbout and Zoe McConaughey)
- dynamic epistemic (Alexandru Baltag and Bryan Renne)
- epistemic (Rasmus Rendsvig, John Symons, and Yanjing Wang)
- for analyzing games (Johan van Benthem and Dominik Klein)
- for analyzing power in normal form games (Paolo Turrini and Thomas Ågotnes)
- free (Norbert Gratzl, Edi Pavlović, and John Nolt)
- fuzzy (Petr Cintula, Christian G. Fermüller, and Carles Noguera)
- and games (Wilfrid Hodges and Jouko Väänänen)
- hybrid (Torben Braüner)
- in classical Indian philosophy — see Indian Philosophy (Classical): logic
- independence friendly (Tero Tulenheimo)
- inductive (James Hawthorne)
- infinitary (John L. Bell)
- informal (Leo Groarke)
- and information (Maricarmen Martinez and Sebastian Sequoiah-Grayson)
- intensional (Melvin Fitting)
- intuitionistic (Joan Moschovakis)
- justification (Sergei Artemov, Melvin Fitting, and Thomas Studer)
- linear (Roberto Di Cosmo and Dale Miller)
- logic-based artificial intelligence — see artificial intelligence: logic-based
- many-sorted (María Manzano and Víctor Aranda)
- many-valued (Siegfried Gottwald)
- of mass expressions — see mass expressions: logic of
- modal (James Garson)
- natural deduction systems in — see natural deduction systems in logic
- non-monotonic (Christian Strasser and G. Aldo Antonelli)
- paraconsistent (Graham Priest, Koji Tanaka, and Zach Weber)
- preference (Fenrong Liu and Leon van der Torre)
- and probability (Lorenz Demey, Barteld Kooi, and Joshua Sack)
- propositional (Curtis Franks)
- propositional dynamic (Nicolas Troquard and Philippe Balbiani)
- provability (Rineke (L.C.) Verbrugge)
- relevance (Edwin Mares)
- second-order and higher-order (Jouko Väänänen)
- sentence connectives in — see connectives: sentence connectives in formal logic
- substructural (Greg Restall)
- temporal (Valentin Goranko and Antje Rumberg)
 
- logic, anti-exceptionalism about (Ole Hjortland and Ben Martin)
- logic, epistemology of (Sinan Dogramaci and Joshua Schechter)
-  logic, history of
   - first-order logic (William Ewald)
- intuitionistic logic (Mark van Atten)
- modal logic (Roberta Ballarin)
- proof theory — see proof theory: development of
- set theory, early — see set theory: early development
 
- logic, normative status of (Florian Steinberger)
-  logical atomism
   - Russell’s (Kevin Klement)
- Wittgenstein’s — see Wittgenstein, Ludwig: logical atomism
 
-  logical consequence (Jc Beall, Greg Restall, and Gil Sagi)
   - algebraic propositional logic — see logic: algebraic propositional
 
- logical constants (John MacFarlane)
- logical constructions (Bernard Linsky)
- logical empiricism — see empiricism: logical
- logical form (Paul Pietroski)
- logical pluralism (Gillian Russell and Christopher Blake-Turner)
- logical positivism (Michael Stoeltzner and Massimo Ferrari)
- logical truth (Mario Gómez-Torrente)
- logic and ontology (Thomas Hofweber)
- logicism and neologicism (Neil Tennant)
- Lotze, Hermann (David Sullivan)
- love (Bennett Helm)
- loyalty (John Kleinig)
-  luck
   - justice and bad luck (Kasper Lippert-Rasmussen)
- moral (Dana K. Nelkin)
 
- Lucretius (Simon Trépanier)
- Lukács, Georg [György] (Titus Stahl)
- Łukasiewicz, Jan (Peter Simons)
-  Luther, Martin (Robert Stern and Volker Leppin)
   - influence on philosophy (Robert Stern and Volker Leppin)
 
- Luxemburg, Rosa (Lea Ypi)
- Lvov-Warsaw School (Jan Woleński)
-  lying and deception
   - definition of (James Edwin Mahon)
 
- Lyotard, Jean François (Peter Gratton)
M [jump to top]
- Macaulay, Catharine (Karen Green)
- Mach, Ernst (Paul Pojman)
- Machiavelli, Niccolò (Cary Nederman)
- macroevolution, philosophy of (Derek Turner and Joyce C. Havstad)
- Madhyamaka (Richard Hayes)
- Maimon, Salomon (Peter Thielke and Yitzhak Y. Melamed)
-  Maimonides (Kenneth Seeskin)
   - the influence of Islamic thought on (Sarah Pessin)
 
-  Malebranche, Nicolas (Tad Schmaltz)
   - theory of emotion — see emotion: 17th and 18th century theories of
- theory of ideas and vision in God (Lawrence Nolan)
 
-  Mally, Ernst (Alexander Hieke and Gerhard Zecha)
   - deontic logic (Gert-Jan Lokhorst)
 
- Mandeville, Bernard (Mikko Tolonen and Robin Douglass)
- manipulation, ethics of (Robert Noggle)
- many, problem of (Brian Weatherson)
- Marcel, Gabriel (-Honoré) (Brian Treanor and Brendan Sweetman)
- Marcus, Ruth Barcan (Roberta Ballarin)
- Marcus Aurelius (Rachana Kamtekar)
- Marcuse, Herbert (Arnold Farr)
- Marinella, Lucrezia (Marguerite Deslauriers)
- Maritain, Jacques (William Sweet)
- markets (Lisa Herzog)
- marriage and domestic partnership (Elizabeth Brake)
- Marsilius of Inghen (Maarten Hoenen)
- Marsilius of Padua (Alessandro Mulieri)
- Marty, Anton (Robin Rollinger and Hynek Janousek)
- Marx, Karl (Jonathan Wolff and David Leopold)
- Marxism, after Marx (Jan Kandiyali and Nicholas Vrousalis)
- Marxism, analytical (David Leopold)
- Masham, Lady Damaris (Sarah Hutton)
- mass/energy equivalence — see equivalence of mass and energy
-  mass expressions
   - logic of (David Nicolas)
- metaphysics of (Mark Steen)
 
- material constitution (Ryan Wasserman)
-  materialism — see physicalism
   - eliminative (William Ramsey)
 
-  mathematical
   - explanation (Paolo Mancosu, Francesca Poggiolesi, and Christopher Pincock)
- style — see style: in mathematics
 
- mathematical practice (Paolo Mancosu and Silvia De Toffoli)
-  mathematics
   - constructive (Douglas Bridges, Erik Palmgren, and Hajime Ishihara)
- inconsistent (Chris Mortensen)
- non-deductive methods in (Alan Baker)
 
-  mathematics, foundations of
   - Dedekind’s contributions to — see Dedekind, Richard: contributions to the foundations of mathematics
- Hilbert’s program — see Hilbert, David: program in the foundations of mathematics
 
-  mathematics, philosophy of (Leon Horsten)
   - fictionalism (Mark Balaguer)
- formalism (Alan Weir)
- indispensability arguments in the (Mark Colyvan)
- intuitionism (Rosalie Iemhoff)
- Kant — see Kant, Immanuel: philosophy of mathematics
- naturalism (Alexander Paseau and Marianna Antonutti Marfori)
- nominalism (Otávio Bueno)
- Platonism (Øystein Linnebo)
- structuralism (Erich Reck and Georg Schiemer)
- Wittgenstein — see Wittgenstein, Ludwig: philosophy of mathematics
 
- McTaggart, John M. E. (Kris McDaniel)
- Mead, George Herbert (Mitchell Aboulafia and Scott Taylor)
-  meaning
   - iconic — see iconicity
- normativity of (Kathrin Glüer, Åsa Wikforss, and Marianna Ganapini)
- of words (Luca Gasparri and Diego Marconi)
 
- meaning, theories of (Jeff Speaks)
- meaning holism (Henry Jackman)
- means, treating persons as — see treating persons as means
-  measurement
   - in science (Eran Tal)
 
- mechanism in science (Carl Craver, James Tabery, and Phyllis Illari)
- medicine, philosophy of (Julian Reiss and Rachel A. Ankeny)
- medicine: Chinese philosophy — see Chinese Philosophy: Chinese medicine
-  medieval philosophy (John Marenbon)
   - aesthetics — see aesthetics: late ancient and medieval
- literary forms of (Eileen Sweeney)
- political — see political philosophy: medieval
 
-  medieval theories of
   - analogy — see analogy: medieval theories of
- categories — see categories: medieval theories of
- causation — see causation: medieval theories of
- conscience — see conscience: medieval theories of
- consequence — see consequence, medieval theories of
- demonstration — see demonstration: medieval theories of
- emotion — see emotion: medieval theories of
- future contingents — see future contingents: medieval theories of
- haecceity — see haecceity: medieval theories of
- mental representation — see mental representation: in medieval philosophy
- modality — see modality: medieval theories of
- obligationes — see obligationes, medieval theories of
- practical reason — see practical reason: medieval theories of
- properties of terms — see terms, properties of: medieval theories of
- relations — see relations: medieval theories of
- singular terms — see singular terms: medieval theories of
- syllogism — see syllogism: medieval theories of
- transcendentals — see transcendentals, medieval theories of
 
- Meinong, Alexius (Johann Marek)
- Meister Eckhart (Amber L. Griffioen)
-  memory (Kourken Michaelian and John Sutton)
   - epistemological problems of (Matthew Frise)
 
- Mencius (Bryan Van Norden)
- Mendelssohn, Moses (Daniel Dahlstrom)
- mental causation (David Robb, John Heil, and Sophie Gibb)
-  mental content
   - causal theories of (Fred Adams and Ken Aizawa)
- externalism about the mind — see externalism about the mind
- narrow (Curtis Brown)
- nonconceptual (José Bermúdez and Arnon Cahen)
- teleological theories of (Peter Schulte and Karen Neander)
 
- mental disorder (Jennifer Radden and Jonathan Y. Tsou)
- mental illness — see mental disorder
- mental imagery (Bence Nanay)
-  mental representation (David Pitt)
   - in medieval philosophy (Henrik Lagerlund)
 
-  mereology (Achille Varzi)
   - and location — see location and mereology
- medieval (Andrew Arlig)
 
- meritocracy (Thomas Mulligan)
- Merleau-Ponty, Maurice (Ted Toadvine)
- Mersenne, Marin (Philippe Hamou)
- metaepistemology (J. Adam Carter and Ernest Sosa)
- metaethics (Geoff Sayre-McCord)
- metaethics, normativity in (David Copp and Justin Morton)
- metaphor (David Hills)
- metaphysical explanation (Andrew Brenner, Anna-Sofia Maurin, Alexander Skiles, Robin Stenwall, and Naomi Thompson)
-  metaphysics (Peter van Inwagen, Meghan Sullivan, and Sara Bernstein)
   - in classical Indian philosophy (Allison Aitken)
- realism and anti-realism about (Mark Balaguer)
 
-  metaphysics in the 16th century
   - Francisco Suárez — see Suárez, Francisco
 
- methodological constructivism (Erlangen School) (Niels Siegbert Linnemann and Norman Sieroka)
- methodological holism in the social sciences (Julie Zahle)
- Mexican existentialism — see existentialism: Mexican
-  Mexico
   - philosophy in (Guillermo Hurtado and Robert Eli Sanchez, Jr.)
 
- microbiology, philosophy of (Maureen A. O’Malley and Emily C. Parke)
- Midgley, Mary (Rachael Wiseman and Clare Mac Cumhaill)
- Mill, Harriet Taylor (Dale E. Miller)
- Mill, James (Terence Ball and Antis Loizides)
-  Mill, John Stuart (Christopher Macleod)
   - moral and political philosophy (David Brink)
 
-  mind
   - computational theory of (Michael Rescorla)
- in Chinese Philosophy — see Chinese Philosophy: mind (heart-mind)
- in Indian Buddhist Philosophy (Christian Coseru)
- modularity of (Philip Robbins and Zoe Drayson)
 
- mind/brain identity theory (J. J. C. Smart)
- miracles (Timothy McGrew and Robert Larmer)
- modal epistemology — see modality: epistemology of
-  modality
   - Descartes and — see Descartes, René: modal metaphysics
- epistemology of (Antonella Mallozzi, Anand Vaidya, and Michael Wallner)
- impossible worlds — see impossible worlds
- Leibniz and — see Leibniz, Gottfried Wilhelm: modal metaphysics
- medieval theories of (Simo Knuuttila)
- modal fictionalism — see fictionalism: modal
- necessary and sufficient conditions — see necessary and sufficient conditions
- possible objects — see possible objects
- possible worlds — see possible worlds
- Spinoza and — see Spinoza, Baruch: modal metaphysics
- varieties of (Boris Kment)
 
-  modal logic — see logic: modal
   - modern origins — see logic, history of: modal logic
- philosophical aspects of multi-modal logic — see multi-modal logic, philosophical aspects of
 
- modeling in the philosophy of science, agent-based (Dunja Šešelja)
- model organisms (Michael Dietrich and Nedah Nemati)
- models in science (Roman Frigg and Stephan Hartmann)
-  model theory (Wilfrid Hodges)
   - first-order (Wilfrid Hodges and Thomas Scanlon)
 
- modesty and humility (Nicolas Bommarito)
- Mohism — see Chinese Philosophy: Mohism
- Mohist Canons — see Chinese Philosophy: Mohist Canons
- molecular biology (Tudor Baetu, Monika Piotrowska, and James Tabery)
- Molyneux’s problem (Marjolein Degenaar and Gert-Jan Lokhorst)
- money and finance, philosophy of (Boudewijn de Bruin, Lisa Herzog, Martin O’Neill, and Joakim Sandberg)
-  monism (Jonathan Schaffer)
   - anomalous — see anomalous monism
- neutral — see neutral monism
- Russellian (Torin Alter and Derk Pereboom)
 
- monism in Classical Indian Philosophy (Jessica Frazier)
- monotheism (William Wainwright)
- Montaigne, Michel de (Marc Foglia and Emiliano Ferrari)
- Montesquieu, Charles-Louis de Secondat, Baron de (Hilary Bok)
- Montessori, Maria (Patrick Frierson)
-  Moore, George Edward (Tom Baldwin)
   - moral philosophy (Thomas Hurka)
 
- moral/conventional distinction (Edouard Machery and Stephen Stich)
- moral anti-realism (Richard Joyce)
- moral character — see character, moral
- moral cognition, psychology of — see normative cognition, psychology of
- moral cognitivism vs. non-cognitivism — see cognitivism vs. non-cognitivism, moral
- moral decision-making under uncertainty (Christian Tarsney, Teruji Thomas, and William MacAskill)
- moral demands and permissions/prerogatives (Thomas Hurka)
- moral dilemmas (Terrance McConnell)
- moral disagreement (Folke Tersman)
-  moral epistemology (Richmond Campbell)
   - a priorism in (Michael DePaul and Amelia Hicks)
 
- moral generalism — see moral particularism: and moral generalism
- moral intuitionism (Philip Stratton-Lake)
-  morality
   - and evolutionary biology (William FitzPatrick)
- and practical reason (Geoff Sayre-McCord)
 
- morality, definition of (Joshua Gert and Bernard Gert)
- moral luck — see luck: moral
- moral motivation (Connie S. Rosati)
- moral naturalism — see naturalism: moral
- moral non-naturalism (Michael Ridge)
-  moral particularism (Jonathan Dancy)
   - and moral generalism (Michael Ridge and Sean McKeever)
 
- moral phenomenology — see phenomenology: moral
-  moral psychology
   - empirical approaches (John Doris, Stephen Stich, Jonathan Phillips, and Lachlan Walmsley)
- in Latin America (Paulo Boggio)
 
- moral realism (Geoff Sayre-McCord)
- moral reasoning — see reasoning: moral
- moral relativism (Chris Gowans)
-  moral responsibility (Matthew Talbert)
   - empirical approaches (Chandra Sripada)
- the epistemic condition (Fernando Rudy-Hiller)
- principle of alternative possibilities (David Robb)
 
- moral sentimentalism (Antti Kauppinen)
- moral skepticism (Walter Sinnott-Armstrong)
-  moral status
   - of animals — see animals, moral status of
 
- moral status, grounds of (Agnieszka Jaworska and Julie Tannenbaum)
- moral testimony, deference, and expertise (Sarah McGrath)
- moral theory (Julia Driver)
- moral worth (Keshav Singh)
- More, Henry (John Henry)
- More, Thomas (Gerard B. Wegemer)
-  motivation
   - moral — see moral motivation
 
- Muhammad Iqbal (Muhammad U. Faruque and Waseem Akhtar Usmani)
- Mulla Sadra (Sajjad Rizvi)
- multi-modal logic, philosophical aspects of (Sonja Smets and Fernando Velázquez-Quesada)
- multiculturalism (Sarah Song)
- multiple realizability (John Bickle)
- Murdoch, Iris (Lawrence Blum)
-  music
   - history of western philosophy of, antiquity to 1800 (Matteo Ravasio)
- history of western philosophy of, since 1800 (Matteo Ravasio)
 
- music, philosophy of (Andrew Kania)
- mysticism (Richard Jones and Jerome Gellman)
- myths, Plato’s — see Plato: myths
N [jump to top]
- Nāgārjuna (Jan Christoph Westerhoff)
- Nagel, Ernst (Ádám Tamás Tuboly)
- names (Sam Cumming)
- nationalism (David Miller)
- Native Japan Studies (Kokugaku) School — see Japanese Philosophy: Kokugaku School
- Natorp, Paul (Alan Kim)
- natural deduction systems in logic (Francis Jeffry Pelletier and Allen Hazen)
-  naturalism (David Papineau)
   - in epistemology — see epistemology: naturalism in
- in legal philosophy (Brian Leiter and Matthew X. Etchemendy)
- in the philosophy of mathematics — see mathematics, philosophy of: naturalism
- moral (Matthew Lutz)
 
- natural kinds (Alexander Bird and Emma Tobin)
- natural language ontology — see ontology, natural language
-  natural law
   - tradition in ethics — see ethics: natural law tradition
 
-  natural philosophy
   - in the Renaissance (Eva Del Soldato)
 
-  natural selection (Peter Gildenhuys)
   - units and levels of (Elisabeth Lloyd)
 
-  nature of law (Emad Atiq, Andrei Marmor, and Alexander Sarch)
   - interpretivist theories (Nicos Stavropoulos)
- legal positivism (Leslie Green and Thomas Adams)
- natural law theories (John Finnis)
- pure theory of law (Andrei Marmor)
 
- Navya-Nyāya — see Early Modern India, analytic philosophy in
- necessary and sufficient conditions (Andrew Brennan)
-  necessary beings
   - and God — see God: and other necessary beings
 
- needs, in moral and political philosophy (Gillian Brock and David Miller)
- negation (Laurence R. Horn and Heinrich Wansing)
- Négritude (Souleymane Bachir Diagne)
- Neo-Daoism (Alan Chan)
- neo-Kantianism (Jeremy Heis)
- neoliberalism (Kevin Vallier)
- Neoplatonism (Christian Wildberg)
- Neurath, Otto (Jordi Cat)
- neuroethics (Adina Roskies)
- neuroscience, philosophy of (John Bickle, Peter Mandik, and Anthony Landreth)
- neutral monism (Leopold Stubenberg and Donovan Wishon)
-  Newton, Isaac (George Smith)
   - Philosophiae Naturalis Principia Mathematica (George Smith)
- philosophy (Andrew Janiak)
- views on space, time, and motion (Robert Rynasiewicz)
 
- Nicholas of Autrecourt [de Altricuria, Autricuria, Ultricuria, Autricort] (Hans Thijssen)
- Nicolas of Cusa — see Cusanus, Nicolaus
-  Nietzsche, Friedrich (R. Lanier Anderson)
   - aesthetics (Timothy Stoll)
- life and works (Robert Wicks)
- moral and political philosophy (Brian Leiter)
 
- Nishida Kitarō (John C. Maraldo)
- noema — see Husserl, Edmund
-  nominalism
   - in metaphysics (Sam Cowling and Daniel Giberman)
- in the philosophy of mathematics — see mathematics, philosophy of: nominalism
 
- non-naturalism, moral — see moral non-naturalism
- nonconceptual content — see mental content: nonconceptual
- nonexistent objects (Maria Reicher)
- nonidentity problem (M. A. Roberts)
-  normal form games
   - logics for analyzing power in — see logic: for analyzing power in normal form games
 
- normative cognition, psychology of (Daniel Kelly, Evan Westra, and Stephen Setman)
- normative concepts — see concepts: normative
-  normativity
   - animal — see animal: normativity
- logic — see logic, normative status of
- meaning — see meaning: normativity of
- metaethics — see metaethics, normativity in
 
- norms of cooperation — see social norms
- Norris, John (June Yang)
- nothingness (Roy Sorensen)
- Novalis [Georg Friedrich Philipp von Hardenberg] (Kristin Gjesdal)
-  Nozick, Robert
   - political philosophy (Eric Mack)
 
- Numenius (George Karamanolis)
O [jump to top]
- Oakeshott, Michael (Terry Nardin)
- object (Bradley Rettler and Andrew M. Bailey)
-  objectivity
   - in ethics — see ethics: objectivity in
- scientific — see scientific objectivity
 
-  obligation
   - legal — see legal obligation and authority
 
- obligationes, medieval theories of (Mikko Yrjönsuuri)
-  obligations
   - special (Diane Jeske)
 
- obligations to oneself (Daniel Muñoz)
- occasionalism (Sukjae Lee)
- Ockham [Occam], William (Paul Vincent Spade, Claude Panaccio, and Jenny Pelletier)
- olfactory perception — see perception: olfactory
- Olivi, Peter John (Robert Pasnau and Juhana Toivanen)
- Olympiodorus (Christian Wildberg)
-  Olympiodorus, School of
   - David and Elias (Christian Wildberg and Sophie Van der Meeren-Ferreri)
 
- omnipotence (Joshua Hoffman and Gary Rosenkrantz)
- omnipresence (Edward Wierenga)
- omniscience (Edward Wierenga)
- ontological arguments (Graham Oppy, Joshua Rasmussen, and Joseph Schmid)
- ontological commitment (Phillip Bricker)
- ontological dependence — see dependence, ontological
-  ontology
   - and information systems (Adam Pease)
- social — see social ontology
 
- ontology, natural language (Friederike Moltmann)
- ontology of art, history of (Paisley Livingston)
- operationalism (Hasok Chang)
- ordinary objects (Daniel Z. Korman and Jonathan Barker)
- Oresme, Nicole (Stefan Kirschner)
- Origen (Mark J. Edwards)
- original position (Samuel Freeman)
- Ortega y Gasset, José (Oliver Holmes)
- other minds (Anita Avramides)
- ought implies can (Peter Vranas)
- ownership, property and — see property and ownership
P [jump to top]
- pacifism (Andrew Fiala)
- pain (Murat Aydede)
- Paine, Thomas (Mark Philp)
- Pan-Africanism (Olúfẹ́mi Táíwò and Chike Jeffers)
- panentheism (John Culp)
- panpsychism (Philip Goff, William Seager, and Sean Allen-Hermanson)
- pantheism (William Mander)
- Paquda, Bayha Ibn — see Ibn Paquda, Bahya
-  paradox
   - Curry’s — see Curry’s paradox
- Fitch’s paradox of knowability — see Fitch’s paradox of knowability
- of the liar — see liar paradox
- Russell’s paradox — see Russell’s paradox
- Simpson’s paradox — see Simpson’s paradox
- Skolem’s (Timothy Bays)
- St. Petersburg paradox — see St. Petersburg paradox
- of suspense — see suspense, paradox of
- Zeno’s paradoxes — see Zeno of Elea: Zeno’s paradoxes
- and contemporary logic (Andrea Cantini and Riccardo Bruni)
- epistemic — see epistemic paradoxes
 
- paradox of tragedy (Jonathan Gilmore)
- parenthood and procreation (Elizabeth Brake and Joseph Millum)
- Parmenides (John Palmer)
- part/whole — see mereology
- Pascal, Blaise (Desmond Clarke)
- Pascal’s wager (Alan Hájek)
- paternalism (Gerald Dworkin)
- patriotism (Igor Primoratz)
- Patrizi, Francesco (Fred Purnell)
- Paul of Venice (Alessandro Conti)
- Peano, Giuseppe — see Peano School
- Peano School (Paola Cantù)
- Peirce, Benjamin (Ivor Grattan-Guinness and Alison Walsh)
-  Peirce, Charles Sanders (Robert Burch)
   - logic (Sun-Joo Shin)
- theory of signs (Albert Atkin)
 
- Penbygull, William (Alessandro Conti)
-  perception
   - action-based theories — see action-based theories of perception
- auditory (Casey O’Callaghan)
- the contents of (Susanna Siegel)
- the disjunctive theory of (Matthew Soteriou)
- epistemological problems of (Jack Lyons)
- experience and justification (Nicholas Silins)
- olfactory (Clare Batty and Benjamin Young)
- the problem of (Tim Crane and Craig French)
 
- perceptual learning — see learning, perceptual
- Pereira, Gómez (José Manuel García Valverde)
- perfectionism, in moral and political philosophy (Steven Wall)
- persistence — see temporal parts
-  personal identity (Eric T. Olson)
   - and ethics (Annette Dufner)
 
- personalism (Thomas D. Williams and Jan Olof Bengtsson)
- personal relationship goods (Anca Gheaus)
-  personhood
   - in classical Indian Philosophy — see Indian Philosophy (Classical): personhood
 
- persons — see personal identity
- persons, treating as means — see treating persons as means
- Peter of Auvergne (Marco Toste)
- Peter of Spain [= Petrus Hispanus] (Joke Spruyt)
- Petrizi, Joane (Tengiz Iremadze)
- phenomenal intentionality — see intentionality: phenomenal
- phenomenological aesthetics — see aesthetics: phenomenological
-  phenomenology (David Woodruff Smith)
   - feminist (Sara Heinämaa)
- moral (John Drummond and Mark Timmons)
- of the Munich and Göttingen Circles (Alessandro Salice)
 
- philanthropy (Theodore M. Lechterman, Emma Saunders-Hastings, and Rob Reich)
- Philip the Chancellor (Colleen McCluskey and Anthony Celano)
- Philodemus (David Blank)
- Philolaus (Carl Huffman)
- Philo of Alexandria (Carlos Lévy)
- Philo of Larissa (Charles Brittain and Peter Osorio)
- Philoponus (Christian Wildberg)
-  philosophy of biology
   - in Latin America (Pablo Lorenzano)
 
-  philosophy of mind
   - feminist — see feminist philosophy, interventions: philosophy of mind
 
-  philosophy of science
   - in Latin America (Olimpia Lombardi, Alberto Cordero, and Ana Rosa Pérez Ransanz)
 
- philosophy of science, formal — see formal philosophy of science
- Philo the Dialectician — see Dialectical School
- photography, philosophy of (Dawn M Wilson)
- phylogenetic inference (Matt Haber and Joel Velasco)
- physicalism (Daniel Stoljar)
-  physics
   - experiment in (Allan Franklin and Slobodan Perovic)
- holism and nonseparability (Richard Healey and Henrique Gomes)
- intertheory relations in (Patricia Palacios)
- quantum field theory — see quantum theory: quantum field theory
- structuralism in (Heinz-Juergen Schmidt)
- symmetry and symmetry breaking (Katherine Brading, Elena Castellani, and Nicholas Teh)
 
- physis and nomos — see Sophists, The
- Pico della Mirandola, Giovanni (Brian Copenhaver)
- Pico della Mirandola, Giovanni Francesco [Gianfrancesco] (Francesco Molinarolo)
- pineal gland — see Descartes, René: and the pineal gland
-  Plato (Richard Kraut)
   - aesthetics (Nickolas Pappas)
- Callicles and Thrasymachus (Rachel Barney)
- Cratylus (David Meißner)
- ethics (Dorothea Frede and Mi-Kyoung Lee)
- ethics and politics in The Republic (Eric Brown)
- friendship and eros (C. D. C. Reeve)
- method and metaphysics in the Sophist and Statesman (Mary-Louise Gill)
- middle period metaphysics and epistemology (Allan Silverman)
- myths (Catalin Partenie)
- on knowledge in the Theaetetus (Sophie-Grace Chappell and Francesco Verde)
- on utopia (Chris Bobonich and Katherine Meadows)
- Parmenides (Samuel Rickless)
- rhetoric and poetry (Charles L. Griswold)
- shorter ethical works (Paul Woodruff)
- Timaeus (Donald Zeyl and Barbara Sattler)
 
-  Platonism
   - in metaphysics (Mark Balaguer)
- in the philosophy of mathematics — see mathematics, philosophy of: Platonism
 
- pleasure (Leonard D. Katz)
- Plotinus (Paul Kalligas)
-  pluralism
   - religious — see religious diversity
 
- plurality of forms — see binarium famosissimum
- plural quantification (Øystein Linnebo)
- Plutarch (George Karamanolis)
- Poincaré, Henri (Gerhard Heinzmann and David Stump)
- Polgar, Isaac — see Polqar, Isaac
- policing, philosophy of (Gabriel Mendlow and Malcolm Thorburn)
- political obligation (Richard Dagger and David Lefkowitz)
- political philosophy
-  political realism
   - in international relations (W. Julian Korab-Karpowicz)
 
- political theory and religion — see religion: and political theory
- Polqar, Isaac (Racheli Haliva)
- Pomponazzi, Pietro (Craig Martin)
- Popper, Karl (Stephen Thornton)
- population genetics — see genetics: population
-  pornography
   - and censorship (Caroline West)
 
- Porphyry (Eyjólfur Emilsson)
- Porta, Giambattista della (Sergius Kodera)
- Port Royal Logic (Alan Nelson and Jill Buroker)
-  positivism
   - logical — see logical positivism
 
- possibilism-actualism debate (Christopher Menzel)
- possible objects (Takashi Yagisawa)
- possible worlds (Christopher Menzel)
- postmodernism (Gary Aylesworth)
- Poulain de la Barre, François (Martina Reuter)
- poverty of the stimulus argument — see innateness: and language
-  practical reason (R. Jay Wallace and Benjamin Kiesewetter)
   - medieval theories of (Anthony Celano)
- morality and — see morality: and practical reason
- and the structure of actions (Elijah Millgram)
 
- pragmatic arguments and belief in God (Jeff Jordan)
-  pragmatics (Kepa Korta and John Perry)
   - defaults in — see defaults in semantics and pragmatics
- game-theoretic — see game-theoretic semantics and pragmatics
 
- pragmatism (Catherine Legg and Christopher Hookway)
-  prayer
   - petitionary (Scott A. Davison)
 
- predicate calculus — see logic: classical
- predication (Kevin Mulligan and Damiano Costa)
- prediction versus accommodation (Eric Christian Barnes)
- predictivism — see prediction versus accommodation
-  preferences (Sven Ove Hansson and Till Grüne-Yanoff)
   - logic — see logic: preference
 
- pregnancy, birth, and medicine (Quill R Kukla, Teresa Baron, and Katherine Wayne)
- prenatal testing and screening — see eugenics
- presentism (David Ingram and Jonathan Tallant)
- Presocratic Philosophy (Patricia Curd)
- presupposition (David I. Beaver, Bart Geurts, and Kristie Denlinger)
- Price, Henry Habberley (Arthur Schipper and Paul Snowdon)
- Price, Richard (David McNaughton)
- Prichard, Harold Arthur (Jonathan Dancy)
- Priestley, Joseph (Falk Wunderlich)
- primary and secondary qualities in early modern philosophy (Martha Bolton)
-  Principia Mathematica (Bernard Linsky and Andrew David Irvine)
   - notation in (Bernard Linsky)
 
- principle of sufficient reason (Yitzhak Y. Melamed and Martin Lin)
- Prior, Arthur (B. Jack Copeland)
- prioritarianism as a theory of value (Matthew Adler and Nils Holtug)
- prisoner’s dilemma (Steven Kuhn)
-  privacy (Beate Roessler and Judith DeCew)
   - and information technology — see information technology: and privacy
- and medicine — see ethics, biomedical: privacy and medicine
 
- private language (Stewart Candlish and George Wrisley)
- probabilities, imprecise (Seamus Bradley)
- probabilities, indeterminate — see probabilities, imprecise
- probability, in medieval and Renaissance philosophy (Rudolf Schuessler)
- probability, interpretations of (Alan Hájek)
- probability and logic — see logic: and probability
- procedural fairness — see rule of law and procedural fairness
- process philosophy (Johanna Seibt)
- process theism (Donald Viney)
- Proclus (Christoph Helmig and Carlos Steel)
- procreation — see parenthood and procreation
- Prodicus — see Sophists, The
- progress (Agnes Tam and Margaret Meek Lange)
- promises (Allen Habib)
-  proof theory (Michael Rathjen and Wilfried Sieg)
   - development of (Jan von Plato)
 
-  properties (Francesco Orilia and Michele Paolini Paoletti)
   - emergent — see emergent properties
- essential vs. accidental — see essential vs. accidental properties
- natural (Cian Dorr)
 
-  property
   - intellectual (Adam Moore and Ken Himma)
 
- property and ownership (Jeremy Waldron)
- prophecy (Scott A. Davison)
- propositional attitude reports (Michael Nelson)
- propositional function (Edwin Mares)
- propositional logic — see logic: propositional
-  propositions (Matthew McGrath and Devin Frank)
   - singular (Greg Fitch and Michael Nelson)
- structured (Jeffrey C. King)
 
- Protagoras (Mauro Bonazzi)
- providence, divine (Hugh J. McCann and Daniel M. Johnson)
- Pseudo-Dionysius the Areopagite (Kevin Corrigan and L. Michael Harrington)
- pseudo-science, science and — see science: and pseudo-science
- psyche — see soul, ancient theories of
- psychiatry, philosophy of (Dominic Murphy)
- psychologism (Martin Kusch)
-  psychology
   - evolutionary (Stephen M. Downes)
 
- psychotherapy, philosophy of (Megan Delehanty and Anya Plutynski)
- public goods (Julian Reiss)
-  public health
   - ethics (Ruth Faden, Justin Bernstein, and Sirine Shebaya)
 
- publicity (Axel Gosseries and Tom Parr)
- public reason (Jonathan Quong)
-  Pufendorf, Samuel Freiherr von
   - moral and political philosophy (Michael Seidler)
 
- punishment, legal (Zachary Hoskins and Antony Duff)
- Pyrrho (Richard Bett)
- Pyrrhonism — see skepticism: ancient
- Pythagoras (Carl Huffman)
- Pythagoreanism (Carl Huffman)
Q [jump to top]
- Qing philosophy — see Chinese Philosophy: Qing philosophy
-  qualia (Michael Tye)
   - inverted (Alex Byrne)
- knowledge argument (Martine Nida-Rümelin and Donnchadh O Conaill)
 
- quantifiers and quantification (Gabriel Uzquiano)
-  quantum mechanics (Jenann Ismael)
   - action at a distance in (Joseph Berkovitz)
- Bell’s Theorem — see Bell’s Theorem
- Bohmian mechanics (Sheldon Goldstein)
- collapse theories (Giancarlo Ghirardi and Angelo Bassi)
- consistent histories approach (Robert B. Griffiths)
- Copenhagen interpretation of (Jan Faye)
- Everettian (Jeffrey Barrett)
- Kochen-Specker theorem (Carsten Held)
- many-worlds interpretation of (Lev Vaidman)
- modal interpretations of (Olimpia Lombardi and Dennis Dieks)
- relational (Carlo Rovelli)
- retrocausality (Simon Friederich and Peter W. Evans)
- the role of decoherence in (Guido Bacciagaluppi)
 
-  quantum theory
   - Bayesian and pragmatist views (Richard Healey)
- and consciousness (Harald Atmanspacher)
- the Einstein-Podolsky-Rosen argument in (Arthur Fine)
- identity and individuality in (Steven French and Tomasz Bigaj)
- and mathematical rigor (Fred Kronz and Tracy Lupher)
- the measurement problem — see quantum theory: philosophical issues in
- philosophical issues in (Wayne Myrvold)
- quantum computing (Michael Cuffaro and Amit Hagar)
- quantum entanglement and information (Jeffrey Bub)
- quantum field theory (Meinard Kuhlmann)
- quantum gravity (Steven Weinstein and Dean Rickles)
- quantum logic and probability theory (Alexander Wilce)
- uncertainty principle in — see Uncertainty Principle
 
- queer philosophy (Kim Q. Hall)
- questions (Charles Cross and Floris Roelofsen)
-  Quine, Willard Van Orman (Peter Hylton and Gary Kemp)
   - indispensability argument — see mathematics, philosophy of: indispensability arguments in the
- New Foundations (Thomas Forster)
 
- quotation (Herman Cappelen, Ernest Lepore, and Matthew McKeever)
R [jump to top]
-  race (Michael James and Adam Burgos)
   - and aesthetics — see aesthetics: and race
- critical philosophy of — see critical philosophy of race
 
- Radulphus Brito (Ana María Mora-Márquez and Iacopo Costa)
-  Ramsey, Frank (Fraser MacBride, Mathieu Marion, María José Frápolli, Dorothy Edgington, Edward Elliott, Sebastian Lutz, and Jeffrey Paris)
   - and intergenerational welfare economics (Partha Dasgupta)
 
- Ramus, Petrus (Erland Sellberg)
- Rand, Ayn (Neera K. Badhwar and Roderick T. Long)
-  randomness
   - algorithmic (Francesca Zaffora Blando)
- versus chance — see chance: versus randomness
 
- Rasa in Classical Indian Philosophy (Dominic McIver Lopes and Catherine Prueitt)
-  rational choice, normative
   - expected utility (R. A. Briggs)
- rivals to expected utility (Lara Buchak)
 
- rationalism vs. empiricism (Peter Markie and M. Folescu)
-  rationality
   - Bayesian — see epistemology: Bayesian
- bounded — see bounded rationality
- epistemic foundations of game theory — see game theory: epistemic foundations of
- historicist theories of (Thomas Nickles)
- instrumental (Niko Kolodny and John Brunero)
- structural (Benjamin Kiesewetter and Alex Worsnip)
 
- Ratnākaraśānti (Davey K. Tomlinson)
- Ratnakīrti (Patrick McAllister)
- Rawls, John (Leif Wenar)
-  realism (Alexander Miller)
   - challenges to metaphysical (Drew Khlentzos)
- moral — see moral realism
- political, in international relations — see political realism: in international relations
- scientific — see scientific realism
- structural — see structural realism
- and theory change in science (Stathis Psillos)
 
- reason and religious commitment — see religious commitment and reason
-  reasoning
   - automated (Frederic Portoraro)
- by analogy — see analogy and analogical reasoning
- defeasible (Robert Koons)
- moral (Henry S. Richardson)
 
-  reasons for action
   - agent-neutral vs. agent-relative (Michael Ridge)
- internal vs. external (Stephen Finlay and Mark Schroeder)
- justification, motivation, explanation (Maria Alvarez and Jonathan Way)
 
- recognition (Mattias Iser)
- reconciliation (Linda Radzik and Colleen Murphy)
- recursion — see recursion
- recursive functions (Walter Dean and Alberto Naibo)
- redistribution (Christian Barry)
-  reduction, scientific (Raphael van Riel and Robert Van Gulick)
   - in biology (Ingo Brigandt and Alan Love)
- in physics — see physics: intertheory relations in
 
- reference (Eliot Michaelson)
- reflective equilibrium (Carl Knight)
- Regius, Henricus (Desmond Clarke and Erik-Jan Bos)
- Rehberg, August Wilhelm (Frederick C. Beiser)
-  Reichenbach, Hans (Clark Glymour and Frederick Eberhardt)
   - common cause principle (Christopher Hitchcock and Miklós Rédei)
 
-  Reid, Thomas (Ryan Nichols and Gideon Yaffe)
   - ethics (Terence Cuneo)
- on memory and personal identity (Rebecca Copenhaver)
 
- Reinach, Adolf (Alessandro Salice, James DuBois, and Barry Smith)
- Reinhold, Karl Leonhard (Dan Breazeale and John Walsh)
- reism (Jan Woleński)
-  relations (Fraser MacBride)
   - medieval theories of (Jeffrey Brower)
 
-  relativism (Maria Baghramian and J. Adam Carter)
   - moral — see moral relativism
 
- reliabilist epistemology (Alvin Goldman and Bob Beddor)
-  religion
   - and animals (Lisa Kemmerer)
- comparative philosophy of (Mikel Burley)
- concept of (Kevin Schilbrack)
- epistemology of (Peter Forrest)
- evolutionary approaches (Jason Marsh)
- feminist philosophy of — see feminist philosophy, interventions: philosophy of religion
- in Chinese Philosophy — see Chinese Philosophy: religion
- Judaic epistemology and theology — see Jewish philosophy of religion: epistemology and theology
- Judaic ethics, society, and ritual — see Jewish philosophy of religion: ethics, society, and ritual
- and morality in western philosophy (John Hare and Jennifer Herdt)
- natural — see theology, natural and natural religion
- phenomenology of (Mark Wynn)
- philosophy of (Charles Taliaferro)
- and political theory (Chris Eberle and Terence Cuneo)
- and science (Helen De Cruz)
 
- religious commitment and reason (J. L. Schellenberg)
- religious diversity (David Basinger)
- religious experience (Mark Webb)
- religious language (Michael Scott)
- reparations, Black (Bernard Boxill and J. Angelo Corlett)
- replication and reproduction (John S. Wilkins and Pierrick Bourrat)
- representation, political (Suzanne Dovi)
- representation, scientific — see scientific representation
- reproducibility, scientific (Fiona Fidler and John Wilcox)
- republicanism (Frank Lovett)
- repugnant conclusion, the (Gustaf Arrhenius, Jesper Ryberg, and Torbjörn Tännsjö)
- resistance, imaginative — see imaginative resistance
- respect (Robin S. Dillon)
-  responsibility
   - collective (Marion Smiley)
 
- restitution and unjust enrichment (Dennis Klimchuk)
- retributive justice — see justice: retributive
- revelation, divine (Mats Wahlberg)
- reverse mathematics (Benedict Eastaugh)
- revolution (Allen Buchanan and Alexander Motchoulski)
- Richard the Sophister [Ricardus Sophista, Magister abstractionum] (Paul Streveler)
- Rickert, Heinrich (Andrea Staiti and Luca Oliva)
- Ricoeur, Paul (David Pellauer and Bernard Dauenhauer)
-  rights (Leif Wenar and Rowan Cruft)
   - of children (David William Archard)
- civil — see civil rights
- group (Peter Jones)
- human (James Nickel and Adam Etinson)
- legal — see legal rights
- territorial — see territorial rights and justice
 
- rigid designators (Joseph LaPorte)
- risk (Sven Ove Hansson)
-  robotics
   - ethics of — see artificial intelligence: ethics of
 
- role obligations — see obligations: special
- Rorty, Richard (Bjørn Ramberg and Susan Dieleman)
- Rosenstock-Huessy, Eugen (Wayne Cristaudo)
- Rosenzweig, Franz (Benjamin Pollock)
- Rosmini, Antonio (Denis Cleary)
- Ross, William David (Anthony Skelton)
- Rousseau, Jean Jacques (Christopher Bertram)
- Routley [Sylvan], Richard — see Sylvan, Richard
- Royce, Josiah (Kelly A. Parker and Scott Pratt)
- Rufus, Richard — see Richard the Sophister
- rule-following and intentionality (Alexander Miller and Olivia Sultanescu)
- rule consequentialism — see consequentialism: rule
- rule of law and procedural fairness (Jeremy Waldron)
-  Russell, Bertrand (Andrew David Irvine)
   - logical atomism — see logical atomism: Russell’s
- moral philosophy (Charles Pigden)
 
- Russell’s paradox (Harry Deutsch, Oliver Marshall, and Andrew David Irvine)
- Ryle, Gilbert (Julia Tanney)
S [jump to top]
- Saadya [Saadiah] (Sarah Pessin)
- Śāntarakṣita (James Blumenthal and James Apple)
- Śāntideva (Charles Goodman)
- Sakya Paṇḍita [sa skya paṇ ḍi ta] (Jonathan C. Gold)
- sale of human organs (Stephen Wilkinson)
- Salmon, Wesley (Maria Carla Galavotti)
- Sanches, Francisco (Rolando Pérez)
- Śaṅkara (Neil Dalal)
- Santayana, George (Herman Saatkamp and Martin Coleman)
- Sartre, Jean-Paul (Jack Reynolds and Pierre-Jean Renaudie)
- scepticism — see skepticism
- Scheler, Max (Zachary Davis and Anthony Steinbock)
- Schelling, Friedrich Wilhelm Joseph von (Andrew Bowie)
- schema (John Corcoran and Idris Samawi Hamid)
- Schiller, Friedrich (Lydia L. Moland)
- Schlegel, August Wilhelm von (Katia D. Hay)
- Schlegel, Friedrich (Allen Speight)
- Schleiermacher, Friedrich Daniel Ernst (Michael Forster)
- Schlick, Moritz (Thomas Oberdan)
- Schmitt, Carl (Lars Vinx)
- scholasticism, late (Jacob Schmutz)
- Scholem, Gershom (Shaul Magid)
- Scholz, Heinrich (Volker Peckhaus)
- School of Ibn ʿArabi — see Ibn ʿArabi, school of
- School of Names (Chris Fraser)
- School of Salamanca (Thomas Izbicki and Matthias Kaufmann)
-  Schopenhauer, Arthur (Robert Wicks)
   - aesthetics (Sandra Shapshay)
 
- Schutz, Alfred (Michael Barber)
-  science
   - models in — see models in science
- and pseudo-science (Sven Ove Hansson)
- theory and observation in (Nora Mills Boyd and James Bogen)
- unity of (Jordi Cat)
 
- science, formal philosophy of — see formal philosophy of science
- scientific discovery (Jutta Schickore)
-  scientific explanation (James Woodward and Lauren Ross)
   - causal approaches to (Lauren Ross and James Woodward)
- non-causal approaches to (Gerhard Schurz and Alexander Gebharter)
 
- scientific imagination (Alice Murphy)
-  scientific knowledge
   - social dimensions of (Helen Longino)
 
- scientific method (Brian Hepburn and Hanne Andersen)
- scientific objectivity (Julian Reiss and Jan Sprenger)
- scientific pluralism (David Ludwig and Stéphanie Ruphy)
- scientific progress (Ilkka Niiniluoto)
-  scientific realism (Anjan Chakravartty)
   - and theory change — see realism: and theory change in science
 
- scientific representation (Roman Frigg and James Nguyen)
- scientific research and big data (Sabina Leonelli)
- scientific revolutions (Thomas Nickles)
-  scientific theories
   - incommensurability of — see incommensurability: of scientific theories
- structure of (Rasmus Grønfeldt Winther)
- underdetermination of — see underdetermination, of scientific theories
 
-  Scottish Philosophy
   - in the 18th Century (Alexander Broadie and Craig Smith)
- in the 19th century (Gordon Graham)
 
- Scottus [Scotus] Eriugena [Erigena], John — see Eriugena, John Scottus
- Scotus, John Duns — see Duns Scotus, John
- Scudéry, Madeleine de (John Conley)
- search engines and ethics — see ethics: search engines and
- Sebond, Raymond — see Montaigne, Michel de
- secession (Allen Buchanan and Elizabeth Levinson)
- secondary qualities, in early modern philosophy — see primary and secondary qualities in early modern philosophy
-  self
   - feminist perspectives on the — see feminist philosophy, topics: perspectives on the self
- knowledge — see self-knowledge
 
- self, the (Muhammad U. Faruque)
-  self-consciousness (Joel Smith)
   - phenomenological approaches to (Shaun Gallagher and Dan Zahavi)
 
- self-deception (Ian Deweese-Boyd)
- self-defense (Helen Frowe and Jonathan Parry)
- self-doubt, epistemic (Sherrilyn Roush)
-  self-knowledge (Brie Gertler)
   - and externalism — see externalism: and self-knowledge
 
- self-locating beliefs (Andy Egan and Michael G. Titelbaum)
- self-reference (Thomas Bolander)
- self-respect — see respect
- Sellars, Wilfrid (Willem deVries and Carl Sachs)
- semantic holism — see meaning holism
-  semantics
   - defaults in — see defaults in semantics and pragmatics
- dynamic (Rick Nouwen, Adrian Brasoveanu, Jan van Eijck, and Albert Visser)
- game-theoretic — see game-theoretic semantics and pragmatics
- Montague (Theo M. V. Janssen and Thomas Ede Zimmermann)
- proof-theoretic (Peter Schroeder-Heister)
- of sign language — see sign language semantics
- two-dimensional (Laura Schroeter)
 
-  semiotics
   - medieval (Stephan Meier-Oeser)
 
- Seneca (Katja Vogt)
- sense data (Gary Hatfield)
- sensibility theory — see fitting attitude theories of value
- sentimentalism, moral — see moral sentimentalism
-  set theory (Joan Bagaria)
   - alternative axiomatic theories (M. Randall Holmes)
- axiomatizations after Zermelo: 1920–1940 (Michael Hallett and Moritz Bodner)
- constructive and intuitionistic ZF (Laura Crosilla)
- continuum hypothesis (Peter Koellner)
- early development (José Ferreirós)
- independence and large cardinals (Peter Koellner)
- large cardinals and determinacy (Peter Koellner)
- non-wellfounded (Lawrence S. Moss)
- Zermelo’s axiomatization of (Michael Hallett)
 
- sex and sexuality (Raja Halwani)
- Sextus Empiricus (Benjamin Morison)
- sexual consent — see consent, sexual
-  Shaftesbury, Lord [Anthony Ashley Cooper, 3rd Earl of] (Michael B. Gill)
   - theory of emotion — see emotion: 17th and 18th century theories of
 
- Sharpe, Johannes (Alessandro Conti)
- Shepherd, Mary (Martha Bolton)
- Sidgwick, Henry (Barton Schultz)
- sign language semantics (Philippe Schlenker, Jonathan Lamberton, and Jeremy Kuhn)
- Sikh philosophy (Arvind-Pal S. Mandair)
- Simon of Faversham (Ana María Mora-Márquez)
-  simplicity (Alan Baker)
   - divine (William F. Vallicella)
 
- Simplicius (Christoph Helmig)
- Simpson’s paradox (Jan Sprenger and Naftali Weinberger)
- simulations in science (Eric Winsberg)
- sin, in Christian thought (Kevin Timpe)
-  singular terms
   - medieval theories of (Julie Brumberg-Chaumont and E. Jennifer Ashworth)
 
-  situations
   - in natural language semantics (Angelika Kratzer)
 
- skeptical theism (Timothy Perrine)
-  skepticism (Juan Comesaña and Peter Klein)
   - about moral responsibility (Gregg Caruso)
- ancient (Katja Vogt)
- and content externalism (Gary Ebbs)
- in Latin America (Plínio Junqueira Smith and Otávio Bueno)
- medieval (Charles Bolyard)
- moral — see moral skepticism
 
- Skolem’s paradox — see paradox: Skolem’s
- slingshot argument, the (Stephen Neale)
-  Smith, Adam — see Scottish Philosophy: in the 18th Century
   - moral and political philosophy (Samuel Fleischacker)
 
- social choice theory (Christian List)
-  social cognition
   - animal — see animal: social cognition
 
-  social construction
   - naturalistic approaches to (Ron Mallon)
 
-  social contract — see contractarianism
   - contemporary approaches to (Fred D’Agostino, Gerald Gaus, and John Thrasher)
 
- social epistemology — see epistemology: social
- social institutions (Seumas Miller)
- socialism (Pablo Gilabert and Martin O’Neill)
- social minimum [basic income] (Stuart White)
- social networking and ethics (Shannon Vallor)
- social norms (Cristina Bicchieri, Ryan Muldoon, and Alessandro Sontuoso)
- social ontology (Brian Epstein)
- social procedures, formal approaches (Jan van Eijck and Rineke (L.C.) Verbrugge)
- sociobiology (Catherine Driscoll)
- Socrates (Debra Nails and S. Sara Monoson)
- solidarity in social and political philosophy (Andrea Sangiovanni and Juri Viehoff)
- Sophie de Grouchy (Sandrine Berges)
- sophismata [= sophisms] (Fabienne Pironet and Joke Spruyt)
- Sophists, The (C.C.W. Taylor and Mi-Kyoung Lee)
- Sorites paradox (Diana Raffman and Dominic Hyde)
- sortals (Max A. Freund and Richard E. Grandy)
- soul, ancient theories of (Hendrik Lorenz)
- sounds (Roberto Casati, Jerome Dokic, and Elvira Di Bona)
- sovereignty (Daniel Philpott)
-  space and time
   - absolute and relational space and motion, classical theories (Carl Hoefer, Nick Huggett, and James Read)
- absolute and relational space and motion, post-Newtonian theories (Nick Huggett, Carl Hoefer, and James Read)
- being and becoming in modern physics (Steven Savitt)
- conventionality of simultaneity (Allen Janis)
- epistemology of spacetime geometry (Dennis Lehmkuhl and Marco Giovanelli)
- the hole argument (John D. Norton, Oliver Pooley, and James Read)
- inertial frames (Robert DiSalle)
- singularities and black holes (Erik Curiel, Manus Visser, and Juliusz Doboszewski)
- supertasks (JB Manchak and Bryan W. Roberts)
 
- spacetime geometry, epistemology of — see space and time: epistemology of spacetime geometry
- species (Marc Ereshefsky)
-  speech
   - inner — see inner speech
 
- speech acts (Mitchell Green)
- Spencer, Herbert (David Weinstein)
- Speusippus (Russell Dancy and Giulia De Cesaris)
-  Spinoza
   - epistemology and philosophy of mind (Karolina Hübner)
 
-  Spinoza, Baruch (Steven Nadler)
   - modal metaphysics (Samuel Newlands)
- philosophy of religion (Michael Rosenthal)
- physical theory (Richard Manning)
- political philosophy (Justin Steinberg)
- psychological theory (Michael LeBuffe)
- theory of attributes (Noa Shein)
- theory of emotion — see emotion: 17th and 18th century theories of
 
- sport, philosophy of (John William Devine and Francisco Javier Lopez Frias)
- square of opposition (Terence Parsons and Graziana Ciola)
- Śrīgupta (Allison Aitken)
- Śrīharṣa (Nilanjan Das)
- St. Petersburg paradox (Martin Peterson)
- states of affairs (Mark Textor)
-  statistical physics
   - Boltzmann’s work in (Jos Uffink)
- philosophy of statistical mechanics (Roman Frigg and Charlotte Werndl)
 
- statistics, philosophy of (Jan-Willem Romeijn)
- Stebbing, Susan (Michael Beaney and Siobhan Chapman)
- Stein, Edith (Thomas Szanto and Dermot Moran)
- stem cell research, ethics of — see ethics, biomedical: stem cell research
- Stevenson, Charles Leslie (Daniel Boisvert and Teemu Toppinen)
- Stewart, Dugald — see Scottish Philosophy: in the 18th Century
- Stirner, Max (David Leopold)
- Stoicism (Marion Durand, Simon Shogry, and Dirk Baltzly)
- Strauss, Leo (Leora Batnitzky)
- Strawson, Peter Frederick (Paul Snowdon and Anil Gomes)
-  structuralism
   - in mathematics — see mathematics, philosophy of: structuralism
- in physics — see physics: structuralism in
 
- structural realism (James Ladyman)
- Stumpf, Carl (Denis Fisette)
- Sturm, Johann (Andrea Sangiacomo and Christian Henkel)
-  style
   - in mathematics (Paolo Mancosu)
 
- Suárez, Francisco (Christopher Shields and Daniel Schwartz)
- substance (Howard Robinson and Ralph Weir)
- substructural logics — see logic: substructural
- Suhrawardi (Roxanne Marcotte)
- suicide (Michael Cholbi)
- supererogation (David Heyd)
-  supervenience (Brian McLaughlin and Karen Bennett)
   - in ethics (Tristram McPherson)
 
- surrogate decision-making for incompetent individuals — see advance directives
- Susman, Margarete (Willi Goetschel)
- suspense, paradox of (Aaron Smuts)
-  syllogism
   - medieval theories of (Henrik Lagerlund)
 
- Sylvan [Routley], Richard (Dominic Hyde, Filippo Casati, and Zach Weber)
- symmetry and symmetry breaking — see physics: symmetry and symmetry breaking
- synthetic — see analytic/synthetic distinction
- Syrianus (Roberto Granieri and Christian Wildberg)
- systems and synthetic biology, philosophy of (Sara Green)
T [jump to top]
- Taoism — see Daoism
-  Tarski, Alfred (Mario Gómez-Torrente)
   - truth definitions (Wilfrid Hodges)
 
- Taurellus, Nicolaus (Andreas Blank)
- taxation (Adam Kern)
- techne — see episteme and techne
- technology, philosophy of (Maarten Franssen, Gert-Jan Lokhorst, and Ibo van de Poel)
-  teleology
   - teleological arguments for God’s existence (Del Ratzsch and Jeffrey Koperski)
- teleological notions in biology (Colin Allen and Jacob Neal)
- teleological theories of mental content — see mental content: teleological theories of
 
- Telesio, Bernardino (Michaela Boenke)
- temporal consciousness — see consciousness: temporal
- temporal parts (Katherine Hawley)
- tense and aspect (Friedrich Hamm and Oliver Bott)
-  terms, properties of
   - medieval theories of (Stephen Read)
 
- territorial rights and justice (Margaret Moore)
- terrorism (Igor Primoratz)
-  testimony
   - epistemological problems of (Nick Leonard)
 
- testimony, aesthetic — see aesthetic testimony
- theater, philosophy of (James R. Hamilton)
-  theism
   - atheism and agnosticism — see atheism and agnosticism
- monotheism — see monotheism
- panentheism — see panentheism
- pantheism — see pantheism
- process — see process theism
- skeptical — see skeptical theism
 
- theodicies (Laura W. Ekstrom)
- theology, natural and natural religion (Andrew Chignell and Derk Pereboom)
- Theology of Aristotle (Peter Adamson)
- Theophrastus (Katerina Ierodiakonou)
- theoretical terms in science (Holger Andreas)
- thick ethical concepts (Pekka Väyrynen)
- Thomas of Erfurt (Jack Zupko)
- Thoreau, Henry David (Rick Anthony Furtak)
- thought, associationist theories of — see associationist theories of thought
- thought experiments (James Robert Brown and Yiftach Fehige)
- Thrasymachus — see Plato: Callicles and Thrasymachus
- Tibbon, Samuel Ibn (James T. Robinson)
- Tibetan epistemology and philosophy of language (Pascale Hugon)
-  time (Nina Emery, Ned Markosian, and Meghan Sullivan)
   - being and becoming in modern physics — see space and time: being and becoming in modern physics
- branching — see branching time
- thermodynamic asymmetry in (Craig Callender)
 
- time machines (John Earman, Christian Wüthrich, and JB Manchak)
-  time travel (Nicholas J.J. Smith)
   - and modern physics (Christopher Smeenk, Frank Arntzenius, and Tim Maudlin)
 
- Timon of Phlius (Richard Bett)
- toleration (Rainer Forst)
- torts, theories of the common law of (Arthur Ripstein)
- torture (Seumas Miller)
- touch (Matthew Fulkerson)
- tragedy, paradox of — see paradox of tragedy
-  transcendental arguments (Robert Stern and Tony Cheng)
   - Kant — see Kant, Immanuel: transcendental arguments
 
- transcendentalism (Russell Goodman)
- transcendentals, medieval theories of (Wouter Goris and Jan Aertsen)
- transformative experience (Rebecca Chan)
- trans issues, feminist perspectives on — see feminist philosophy, topics: perspectives on trans issues
- transmission of justification and warrant (Luca Moretti and Tommaso Piazza)
- trans philosophy (Perry Zurn)
- transworld identity — see identity: transworld
- treating persons as means (Samuel Kerstein)
- trinity (Dale Tuggy)
- tropes (Anna-Sofia Maurin)
- trust (Carolyn McLeod)
-  truth (Michael Glanzberg)
   - axiomatic theories of (Volker Halbach and Graham E. Leigh)
- coherence theory of (James O. Young)
- correspondence theory of (Marian David)
- deflationism about (Bradley Armour-Garb, Daniel Stoljar, and James Woodbridge)
- identity theory of (Richard Gaskin)
- pluralist theories of (Nikolaj Jang Lee Linding Pedersen and Cory Wright)
- pragmatic theory of (John Capps)
- primitivist theories of (Jeremy Wyatt)
- revision theory of (Philip Kremer and Edoardo Rivello)
- Tarski’s theory of truth — see Tarski, Alfred: truth definitions
 
- truthlikeness (Graham Oddie and Gustavo Cevolani)
- truthmakers (Fraser MacBride and Christopher Daly)
- truth values (Yaroslav Shramko and Heinrich Wansing)
- Tsongkhapa (Gareth Sparham and Chandra Chiara Ehm)
- Turing, Alan (Andrew Hodges)
- Turing machines (Liesbeth De Mol)
- Turing test (Graham Oppy and David Dowe)
- Turnbull, George — see Scottish Philosophy: in the 18th Century
- Twardowski, Kazimierz (Arianna Betti)
- two truths in India, theory of (Sonam Thakchoe)
- two truths in Tibet, theory of (Sonam Thakchoe)
- types and tokens (Linda Wetzel)
-  type theory (Thierry Coquand)
   - Church’s type theory (Christoph Benzmüller and Peter Andrews)
- constructive — see type theory: intuitionistic
- intuitionistic (Peter Dybjer and Erik Palmgren)
 
U [jump to top]
-  ultimates
   - and God — see God: and other ultimates
 
- Umar Khayyam (Seyed N. Mousavian, Suzanne Sumner, Mehdi Aminrazavi, and Glen Van Brummelen)
- Uncertainty Principle (Jan Hilgevoord and Jos Uffink)
- underdetermination, of scientific theories (Kyle Stanford)
- understanding (Stephen Grimm)
- units and levels of natural selection — see natural selection: units and levels of
- unity of science — see science: unity of
- universal hylomorphism — see binarium famosissimum
-  universals — see properties
   - the medieval problem of (Gyula Klima)
 
-  utilitarianism — see consequentialism
   - history of (Julia Driver)
- rule — see consequentialism: rule
 
V [jump to top]
- vagueness (Roy Sorensen)
- vagueness of composition — see many, problem of
- Vaihinger, Hans (Timothy Stoll)
- validity — see logical truth
- Valla, Lorenzo (Lodi Nauta)
-  value
   - incommensurable (Henrik Andersson and Nien-hê Hsieh)
- intrinsic vs. extrinsic (Michael J. Zimmerman and Ben Bradley)
- of knowledge — see knowledge, value of
- pluralism (Elinor Mason)
 
- value theory (Mark Schroeder)
- Vasconcelos, José (Clinton Tolley)
- Vasubandhu (Jonathan C. Gold)
- vegetarianism, ethics of (Tyler Doggett)
- veil of ignorance — see original position
- verbs, intensional transitive — see intensional transitive verbs
- verisimilitude — see truthlikeness
- Vico, Giambattista (Timothy Costelloe)
- Vienna Circle (Thomas Uebel)
-  virtue
   - ancient theories of — see ethics: ancient
 
- virtue ethics — see ethics: virtue
-  visual thinking in mathematics
   - epistemology of (Marcus Giaquinto)
 
- Viterbo, James of — see James of Viterbo
- Vives, Juan Luis (Lorenzo Casini)
- volition — see free will
- Voltaire (J.B. Shank)
- voluntarism, doxastic — see doxastic voluntarism
- voluntarism, theological (Mark Murphy)
-  voting (Jason Brennan)
   - methods (Eric Pacuit)
 
W [jump to top]
- Wang Yangming (Bryan Van Norden)
- war (Seth Lazar)
- Ward, James (Pierfrancesco Basile)
- warrant, transmission of — see transmission of justification and warrant
- Watsuji Tetsurō (Robert Carter and Erin McCarthy)
- weakness of will (Sarah Stroud and Larisa Svirsky)
- Weber, Max (Sung Ho Kim)
- weighing reasons (Chris Tucker)
- Weil, Simone (A. Rebecca Rozelle-Stone and Benjamin P. Davis)
-  welfare economics — see economics and economic justice
   - intergenerational, and Ramsey — see Ramsey, Frank: and intergenerational welfare economics
 
- well-being (Roger Crisp)
- well-being and morality (Valerie Tiberius)
- Weyl, Hermann (John L. Bell and Herbert Korté)
- Whewell, William (Laura J. Snyder)
- Whichcote, Benjamin — see Cambridge Platonists
- Whitehead, Alfred North (Ronald Desmet and Andrew David Irvine)
- William of Auvergne (Neil Lewis and Katrin Fischer)
- William of Champeaux (Kevin Guilfoy)
- William of Ockham — see Ockham, William
- William of Sherwood (Sara L. Uckelman)
- Williams, Bernard (Sophie-Grace Chappell and Nicholas Smyth)
- Williams, Donald Cary (Keith Campbell, James Franklin, and Douglas Ehring)
- Wilson, John Cook (Mathieu Marion)
- Windelband, Wilhelm (Katherina Kinzel)
- wisdom (Sharon Ryan)
-  Wittgenstein, Ludwig (Anat Biletzki and Anat Matar)
   - aesthetics (Garry Hagberg)
- ethics (Benjamin De Mesel and Jordi Fairhurst)
- logical atomism (Ian Proops)
- philosophy of mathematics (Victor Rodych)
 
- Wodeham, Adam de (John T. Slotemaker and Jeffrey C. Witt)
- Wolff, Christian (Matt Hettche and Corey Dyck)
- Wollstonecraft, Mary (Sylvana Tomaselli)
- word meaning — see meaning: of words
- work and labor (Michael Cholbi)
- world government (Catherine Lu)
-  worlds
   - impossible — see impossible worlds
- possible — see possible worlds
 
- Wright, Chauncey (Jean De Groot)
- Wundt, Wilhelm Maximilian (Alan Kim)
- Wyclif, John (Alessandro Conti)
X [jump to top]
- Xenocrates (Giulia De Cesaris and Russell Dancy)
- Xenophanes (James Lesher)
- Xenophon (Russell E. Jones)
- Xunzi (Paul R. Goldin)
Y [jump to top]
- Yogācāra (Szilvia Szanyi)
- Yorck von Wartenburg, Count Paul (Ingo Farin)
Z [jump to top]
- Zabarella, Giacomo (Heikki Mikkeli and Tawrin Baker)
-  Zeno of Elea (John Palmer)
   - Zeno’s paradoxes (Nick Huggett)
 
-  Zermelo, Ernst
   - axiomatization of set theory — see set theory: Zermelo’s axiomatization of
 
- Zhuangzi (Chad Hansen)
- Zhu Xi (Kirill Thompson)
- zombies (Robert Kirk)
