• New Entries
• Entries With Substantive Content Changes
• Entries With Minor Corrections

New Entries

• Algorithmic Fairness (Deborah Hellman)
• Edmund Husserl (Dan Zahavi)
• Gauge Theories in Physics (John Dougherty)
• The Free Rider Problem (Garrett Cullity)
• Personal Identity and Ethics (Annette Dufner)
• Preference Logic (Fenrong Liu and Leon van der Torre)

Entries With Substantive Content Changes

• Abstract Objects (José L. Falguera, Concha Martínez-Vidal, and Gideon Rosen)
• Alcmaeon (Carl Huffman)
• Anthony Collins (William Uzgalis)
• Arabic and Islamic Metaphysics (Amos Bertolacci)
• Assertion (Peter Pagin and Neri Marsili)
• Associationist Theories of Thought (Eric Mandelbaum and Raphaël Millière)
• Autonomy in Moral and Political Philosophy (John Christman)
• Bohmian Mechanics (Sheldon Goldstein)
• Callicles and Thrasymachus (Rachel Barney)
• Causation in Arabic and Islamic Thought (Kara Richardson)
• Challenges to Metaphysical Realism (Drew Khlentzos)
• Coherentist Theories of Epistemic Justification (Erik Olsson)
• Computation in Physical Systems (Gualtiero Piccinini)
• Confirmation (Vincenzo Crupi)
• Conservatism (Andy Hamilton)
• Constructive Empiricism (Chad Mohler and Bradley Monton)
• Continental Feminism (Dilek Huseyinzadegan, Jana McAuliffe, Jameliah Inga Shorter-Bourhanou, B. Tamsin Kimoto, Ege Selin Islekel, Marie Draz, and Erika Brown)
• Contractarianism (Ann Cudd and Seena Eftekhari)
• Counterfactuals (Willow Starr and Alex Kocurek)
• David Hartley (Richard Allen)
• Decision Theory (Katie Steele and H. Orri Stefánsson)
• Descartes’ Theory of Ideas (Kurt Smith)
• Desiderius Erasmus (Erika Rummel and Eric MacPhail)
• Diagrams and Diagrammatical Reasoning (Sun-Joo Shin, Oliver Lemon, and John Mumma)
• Doing vs. Allowing Harm (Fiona Woollard, Frances Howard-Snyder, and Charlotte Unruh)
• Epictetus (Margaret Graver)
• Epistemic Foundations of Game Theory (Eric Pacuit and Olivier Roy)
• Feminist Aesthetics (Carolyn Korsmeyer and Peg Brand Weiser)
• Feminist Ethics (Kathryn Norlock and Jordan Pascoe)
• Feminist History of Philosophy (Charlotte Witt, Lisa Shapiro, Christina Van Dyke, Lydia L. Moland, and Marcia Robinson)
• Feminist Moral Psychology (Anita Superson)
• Feminist Philosophy of Language (Jennifer Saul, Esa Diaz-Leon, and Samia Hesni)
• Georg Wilhelm Friedrich Hegel (Paul Redding)
• Giambattista della Porta (Sergius Kodera)
• Giles of Rome (Roberto Lambertini)
• History of Western Philosophy of Music: Antiquity to 1800 (Matteo Ravasio)
• History of Western Philosophy of Music: since 1800 (Matteo Ravasio)
• Ibn Rushd [Averroes] (Fouad Ben Ahmed and Robert Pasnau)
• Idiolects (Alex Barber and Eduardo Garcia Ramirez)
• Ikhwān al-Safā’ (Carmela Baffioni)
• Incommensurable Values (Henrik Andersson and Nien-hê Hsieh)
• Integrity (Damian Cox, Marguerite La Caze, and Michael Levine)
• Internet Research Ethics (Elizabeth A. Buchanan and Michael Zimmer)
• Isaac Albalag (Bakinaz Abdalla)
• Johannes Kepler (Daniel A. Di Liscia)
• John Rawls (Leif Wenar)
• Justice as a Virtue (Mark LeBar)
• Kurt Gödel (Juliette Kennedy)
• Lady Anne Conway (Sarah Hutton)
• Latin American Philosophy: Metaphilosophical Foundations (Susana Nuccetelli)
• Markets (Lisa Herzog)
• Marsilius of Inghen (Maarten Hoenen)
• Modularity of Mind (Philip Robbins and Zoe Drayson)
• Morality and Evolutionary Biology (William FitzPatrick)
• Neuroethics (Adina Roskies)
• Non-Deductive Methods in Mathematics (Alan Baker)
• Philo of Larissa (Charles Brittain and Peter Osorio)
• Philosophy in Mexico (Guillermo Hurtado and Robert Eli Sanchez, Jr.)
• Philosophy of Biomedicine (Sean Valles and Yael Friedman)
• Prisoner’s Dilemma (Steven Kuhn)
• Qualia (Michael Tye)
• Ralph Cudworth (Sarah Hutton)
• Relations (Fraser MacBride)
• Robert Boyle (Peter Anstey and Jan-Erik Jones)
• Russell’s Logical Atomism (Kevin Klement)
• Science and Pseudo-Science (Sven Ove Hansson)
• Seventeenth-Century Theories of Consciousness (Larry M. Jorgensen)
• Simone Weil (A. Rebecca Rozelle-Stone and Benjamin P. Davis)
• Singularities and Black Holes (Erik Curiel, Manus Visser, and Juliusz Doboszewski)
• Sorites Paradox (Diana Raffman and Dominic Hyde)
• Sortals (Max A. Freund and Richard E. Grandy)
• Structuralism in the Philosophy of Mathematics (Erich Reck and Georg Schiemer)
• The History of Utilitarianism (Julia Driver)
• The Phenomenology of the Munich and Göttingen Circles (Alessandro Salice)
• The Philosophy of Dance (Renee Conroy and Aili Bresnahan)
• Thomas Kuhn (Alexander Bird)
• Thomas Paine (Mark Philp)
• Trinity (Dale Tuggy)
• Truth (Michael Glanzberg)
• Value Theory (Mark Schroeder)
• Weakness of Will (Sarah Stroud and Larisa Svirsky)
• Xenocrates (Giulia De Cesaris and Russell Dancy)

Entries With Minor Corrections

• Alfred North Whitehead (Ronald Desmet and Andrew David Irvine)
• Anna Julia Cooper (Kathryn Sophia Belle)
• Baruch Spinoza (Steven Nadler)
• Blame (Neal Tognazzini and D. Justin Coates)
• Boundary (Achille Varzi)
• Branching Time (Giuseppe Spolaore and Alberto Zanardo)
• Classical Logic (Stewart Shapiro and Teresa Kouri Kissel)
• Climate Science (Wendy Parker)
• Collective Responsibility (Marion Smiley)
• Counterfactual Theories of Causation (Peter Menzies and Helen Beebee)
• Dai Zhen (Frank Y. C. Chong and Chris Fraser)
• Dialectical School (Susanne Bobzien and Matthew Duncombe)
• Diodorus Cronus (Matthew Duncombe)
• Divine Illumination (Robert Pasnau)
• Edith Stein (Thomas Szanto and Dermot Moran)
• Epistemology (Matthias Steup and Ram Neta)
• Ernst Bloch (Ivan Boldyrev)
• Ethics of Artificial Intelligence and Robotics (Vincent C. Müller)
• Evolutionary Thought Before Darwin (Phillip Sloan)
• Externalism and Self-Knowledge (T. Parent)
• Feminist Perspectives on Science (Sharon Crasnow)
• Gertrude Elizabeth Margaret Anscombe (Eric Wiland and Julia Driver)
• Girolamo [Geronimo] Cardano (Guido Giglioni and Jonathan Regier)
• Gödel’s Incompleteness Theorems (Panu Raatikainen)
• Hans-Georg Gadamer (Jeff Malpas)
• Ibn Bâjja [Avempace] (Josep Puig Montada)
• Jacques Maritain (William Sweet)
• Kant’s Philosophy of Mathematics (Lisa Shabel)
• Karl Marx (Jonathan Wolff and David Leopold)
• Liar Paradox (Jc Beall, Michael Glanzberg, and Ellie Ripley)
• Libertarianism (Bas van der Vossen and Billy Christmas)
• Locke’s Philosophy of Science (Hylarie Kochiras)
• Maurice Merleau-Ponty (Ted Toadvine)
• Medieval Political Philosophy (Cary Nederman and Alessandro Mulieri)
• Methods in Comparative Cognition (Marta Halina)
• Moore’s Moral Philosophy (Thomas Hurka)
• Moral Luck (Dana K. Nelkin)
• Moral Responsibility (Matthew Talbert)
• Ontological Arguments (Graham Oppy, Joshua Rasmussen, and Joseph Schmid)
• Possible Worlds (Christopher Menzel)
• Religion and Science (Helen De Cruz)
• Richard the Sophister (Paul Streveler)
• Rudolf Carnap (Hannes Leitgeb and André Carus)
• Russell’s Paradox (Harry Deutsch, Oliver Marshall, and Andrew David Irvine)
• Salomon Maimon (Peter Thielke and Yitzhak Y. Melamed)
• Scientific Discovery (Jutta Schickore)
• Socrates (Debra Nails and S. Sara Monoson)
• The Computational Theory of Mind (Michael Rescorla)
• The Epistemic Condition for Moral Responsibility (Fernando Rudy-Hiller)
• The Ethics of Manipulation (Robert Noggle)
• The Human Genome Project (Lisa Gannett)
• The Possibilism-Actualism Debate (Christopher Menzel)
• The Problem of Evil (Michael Tooley)
• The Value of Knowledge (Duncan Pritchard, John Turri, and J. Adam Carter)
• Trans Philosophy (Perry Zurn)
• Well-Being (Roger Crisp)
• Willard Van Orman Quine (Peter Hylton and Gary Kemp)