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)
 - 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)
 - 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)
 - Japanese — see Japanese Philosophy: aesthetics
 - Nietzsche — see Nietzsche, Friedrich: aesthetics
 - Plato — see Plato: aesthetics
 - 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 and atheism — see atheism and agnosticism
 - Agrippa — see skepticism: ancient
 - Agrippa von Nettesheim, Heinrich Cornelius (Vittoria Perrone Compagni)
 -  Akan Philosophy
   
- of the person (Ajume Wingo)
 
 - akrasia — see weakness of will
 - al-Baghdadi, ‘Abd al-Latif (Cecilia Martini Bonadeo)
 -  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-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)
 - social cognition (Cameron Buckner)
 
 - animalism (Stephan Blatti)
 - animals, moral status of (Lori Gruen and Susana Monsó)
 - 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 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
 
 -  Aristotelianism
   
- commentators on Aristotle — see Aristotle, commentators on
 - in the Renaissance (David Lines)
 
 - Aristotle (Christopher Shields)
 -  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)
 
 - art, conceptual (Elisabeth Schellekens)
 - art, definition of (Thomas Adajian)
 -  art and aesthetics
   
- experimental philosophy of (Elzė Sigutė Mikalonytė, Ryan Doran, and Shen-yi Liao)
 
 - 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
 - ethics of (Vincent C. Müller)
 - frame problem — see frame problem
 - logic-based (Richmond Thomason)
 - Turing test — see Turing test
 
 - 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 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)
 -  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
   
- natural philosophy — see Ibn Rushd: natural philosophy
 
 - 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
 - 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, 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
 -  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)
 - 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
 - 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)
 - 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
   
- Chan Buddhism (Peter Hershock)
 - Chinese medicine (Lisa Raphals)
 - Compared to Western Philosophy — see comparative philosophy: Chinese and Western
 - Confucius — see Confucius
 - 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)
 - 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 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)
 - 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)
 
 - 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
   
- aesthetics (Gary Kemp)
 
 - Crummell, Alexander (Stephen Thompson)
 - Cudworth, Ralph (Sarah Hutton)
 - 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)
 
D [jump to top]
- Dai Zhen (Frank Y. C. Chong and Chris Fraser)
 - 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)
 
 - de Beauvoir, Simone — see Beauvoir, Simone de
 -  deception
   
- 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)
   
- 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)
 - determinates and determinables (Jessica Wilson)
 -  determinism
   
- ancient theories of — see freedom: ancient theories of
 - causal (Carl Hoefer)
 
 -  developmental biology (Alan Love and Yoshinari Yoshida)
   
- 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
 
 -  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)
 
 - Enlightenment (William Bristow)
 - entailment — see logical consequence
 -  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 paradoxes (Roy Sorensen)
 - epistemic self-doubt — see self-doubt, epistemic
 - epistemic utility arguments for epistemic norms (Richard Pettigrew)
 -  epistemology (Matthias Steup and Ram Neta)
   
- 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)
 - 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 Indian Buddhism (Charles Goodman and Aaron Schultz)
 - internet research (Elizabeth A. Buchanan and Michael Zimmer)
 - natural law tradition (Mark Murphy)
 - 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
 - eugenics (Inmaculada de Melo-Martin and Sara Goering)
 -  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 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)
 - 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
   
- 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)
 - 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 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)
 - 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 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
   
- 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)
 -  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 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 Rushd [Averroes] (Fouad Ben Ahmed and Robert Pasnau)
   
- natural philosophy (Josep Puig Montada)
 
 -  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
 - idealism (Paul Guyer and Rolf-Peter Horstmann)
 -  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)
 - 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)
 -  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)
 - naturalism (Amita Chatterjee)
 - perceptual experience and concepts (Monima Chadha)
 - personhood (Monima Chadha)
 
 - 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)
 - 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
 - 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)
 - 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)
 - 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)
 - 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)
 - 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
   
- 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)
 - 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)
 - 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)
 - 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)
 - 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, 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 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)
 - Marty, Anton (Robin Rollinger and Hynek Janousek)
 - Marx, Karl (Jonathan Wolff and David Leopold)
 - 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
 
 -  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
   
- 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)
   
- 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)
   
- realism and anti-realism about (Mark Balaguer)
 
 -  metaphysics in the 16th century
   
- Francisco Suárez — see Suárez, Francisco
 
 - 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)
 - 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)
 - 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)
 
 - 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)
 
 - 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)
 
 - 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 theory (Julia Driver)
 - More, Henry (John Henry)
 - More, Thomas (Gerard B. Wegemer)
 -  motivation
   
- moral — see moral motivation
 
 - 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)
 - 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)
 -  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
   
- 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)
 - Olivi, Peter John (Robert Pasnau and Juhana Toivanen)
 - Olympiodorus (Christian Wildberg)
 - 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
   
- 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)
 - ownership, property and — see property and ownership
 
P [jump to top]
- pacifism (Andrew Fiala)
 - pain (Murat Aydede)
 - Paine, Thomas (Mark Philp)
 - panentheism (John Culp)
 - panpsychism (Philip Goff, William Seager, and Sean Allen-Hermanson)
 - pantheism (William Mander)
 -  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)
 - 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)
 - 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 Spain [= Petrus Hispanus] (Joke Spruyt)
 - Petrizi, Joane (Tengiz Iremadze)
 - phenomenal intentionality — see intentionality: phenomenal
 -  phenomenology (David Woodruff Smith)
   
- 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 science
   
- in Latin America (Olimpia Lombardi, Alberto Cordero, and Ana Rosa Pérez Ransanz)
 
 - Philo the Dialectician — see Dialectical School
 - 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)
 - 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
 - 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)
 - 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)
 - 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
 
 - pragmatism (Catherine Legg and Christopher Hookway)
 -  prayer
   
- petitionary (Scott A. Davison)
 
 - predicate calculus — see logic: classical
 - 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)
 - 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)
 
 - 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
 
 - 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)
   
- 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
   
- versus chance — see chance: versus randomness
 
 -  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)
 
 - 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
   
- comparative philosophy of (Mikel Burley)
 - concept of (Kevin Schilbrack)
 - epistemology of (Peter Forrest)
 - feminist philosophy of — see feminist philosophy, interventions: philosophy of religion
 - 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)
 
 - 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)
 - Scholem, Gershom (Shaul Magid)
 - Scholz, Heinrich (Volker Peckhaus)
 - 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)
 
 - scientific discovery (Jutta Schickore)
 -  scientific explanation (James Woodward and Lauren Ross)
   
- causal approaches to (Lauren Ross and James Woodward)
 
 -  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-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)
 - 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)
 - 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)
 -  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)
 - 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
 -  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)
 - 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)
 
 - 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)
 - 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)
 - 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)
 - 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)
 - 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)
 - 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)
 - 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)
 - 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)
 - 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)
 
