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

New Entries

• Depiction (John Hyman and Katerina Bantinaki)
• Equality of Educational Opportunity (Liam Shields, Anne Newman, and Debra Satz)
• Friedrich Schiller (Lydia L. Moland)
• The Genotype/Phenotype Distinction (Peter Taylor and Richard Lewontin)
• Historicist Theories of Scientific Rationality (Thomas Nickles)
• Logics for Analyzing Power in Normal Form Games (Paolo Turrini)
• Mary Shepherd (Martha Bolton)
• Memory (Kourken Michaelian and John Sutton)
• Perceptual Learning (Kevin Connolly)
• Philosophy of Systems and Synthetic Biology (Sara Green)
• Susan Stebbing (Michael Beaney and Siobhan Chapman)
• The Donation and Sale of Human Eggs and Sperm (Reuven Brandt, Stephen Wilkinson, and Nicola Williams)

Entries With Substantive Content Changes

• Abduction (Igor Douven)
• Africana Philosophy (Lucius T. Outlaw Jr.)
• Albert Camus (Ronald Aronson)
• Antoine Arnauld (Elmar Kremer)
• Arthur Schopenhauer (Robert Wicks)
• August Wilhelm von Schlegel (Katia D. Hay)
• Bohmian Mechanics (Sheldon Goldstein)
• Causal Theories of Mental Content (Fred Adams and Ken Aizawa)
• Civil Rights (Andrew Altman)
• Collective Responsibility (Marion Smiley)
• Compositionality (Zoltán Gendler Szabó)
• Computation in Physical Systems (Gualtiero Piccinini)
• Contemporary Approaches to the Social Contract (Fred D'Agostino, Gerald Gaus, and John Thrasher)
• Cosmology and Theology (Hans Halvorson and Helge Kragh)
• Cusanus, Nicolaus [Nicolas of Cusa] (Clyde Lee Miller)
• David Hartley (Richard Allen)
• Defeasible Reasoning (Robert Koons)
• Descartes' Theory of Ideas (Kurt Smith)
• Epictetus (Margaret Graver)
• Folk Psychology as Mental Simulation (Luca Barlassina and Robert M. Gordon)
• Foreknowledge and Free Will (Linda Zagzebski)
• Forgiveness (Paul M. Hughes and Brandon Warmke)
• Freedom of Speech (David van Mill)
• Galileo Galilei (Peter Machamer)
• Hume on Religion (Paul Russell and Anders Kraal)
• Hybrid Logic (Torben Braüner)
• Intuition (Joel Pust)
• Jean Jacques Rousseau (Christopher Bertram)
• John Locke (William Uzgalis)
• Karl Marx (Jonathan Wolff)
• Logical Empiricism (Richard Creath)
• Lorenzo Valla (Lodi Nauta)
• Margaret Lucas Cavendish (David Cunning)
• Medieval Political Philosophy (John Kilcullen and Jonathan Robinson)
• Medieval Theories of Modality (Simo Knuuttila)
• Modern Origins of Modal Logic (Roberta Ballarin)
• Naturalism in Legal Philosophy (Brian Leiter and Matthew X. Etchemendy)
• Necessary and Sufficient Conditions (Andrew Brennan)
• Nietzsche's Life and Works (Robert Wicks)
• Panentheism (John Culp)
• Patriotism (Igor Primoratz)
• Peter John Olivi (Robert Pasnau and Juhana Toivanen)
• Petitionary Prayer (Scott A. Davison)
• Plural Quantification (Øystein Linnebo)
• Political Legitimacy (Fabienne Peter)
• Political Realism in International Relations (W. Julian Korab-Karpowicz)
• Provability Logic (Rineke (L.C.) Verbrugge)
• Robert Alyngton (Alessandro Conti)
• Science and Pseudo-Science (Sven Ove Hansson)
• Scientific Realism (Anjan Chakravartty)
• Shared Agency (Abraham Sesshu Roth)
• The Epistemology of Religion (Peter Forrest)
• The Lambda Calculus (Jesse Alama)
• Theory and Observation in Science (James Bogen)
• The Theology of Aristotle (Peter Adamson)
• The Traditional Square of Opposition (Terence Parsons)
• The Unity of Consciousness (Andrew Brook and Paul Raymont)
• Torture (Seumas Miller)
• Transcendentalism (Russell Goodman)
• Truth Values (Yaroslav Shramko and Heinrich Wansing)
• Two-Dimensional Semantics (Laura Schroeter)
• Units and Levels of Selection (Elisabeth Lloyd)
• Virtue Epistemology (John Turri, Mark Alfano, and John Greco)

Entries With Minor Corrections

• Abhidharma (Noa Ronkin)
• Advance Directives and Substitute Decision-Making (Agnieszka Jaworska)
• Affirmative Action (Robert Fullinwider)
• Akan Philosophy of the Person (Ajume Wingo)
• Alfred Jules Ayer (Graham Macdonald)
• Alfred Tarski (Mario Gómez-Torrente)
• Anaphora (Jeffrey C. King and Karen S. Lewis)
• Ancient Political Philosophy (Melissa Lane)
• A Priori Justification and Knowledge (Bruce Russell)
• Aristotelianism in the Renaissance (Heinrich Kuhn)
• Aristotle's Ethics (Richard Kraut)
• Aristotle's Political Theory (Fred Miller)
• Arthur Prior (B. Jack Copeland)
• Associationist Theories of Thought (Eric Mandelbaum)
• Consciousness (Robert Van Gulick)
• Constructive Empiricism (Bradley Monton and Chad Mohler)
• Constructivism in Metaethics (Carla Bagnoli)
• Continuity and Infinitesimals (John L. Bell)
• Convention (Michael Rescorla)
• Cosmology: Methodological Debates in the 1930s and 1940s (George Gale)
• Desire (Tim Schroeder)
• Epistemic Foundations of Game Theory (Eric Pacuit and Olivier Roy)
• Exploitation (Matt Zwolinski and Alan Wertheimer)
• Feminist Perspectives on Reproduction and the Family (Debra Satz)
• Feminist Perspectives on Sex and Gender (Mari Mikkola)
• Frege's Theorem and Foundations for Arithmetic (Edward N. Zalta)
• Friedrich Nietzsche (R. Lanier Anderson)
• Georg Wilhelm Friedrich Hegel (Paul Redding)
• Gottfried Wilhelm Leibniz (Brandon C. Look)
• Heaven and Hell in Christian Thought (Thomas Talbott)
• Herbert Marcuse (Arnold Farr)
• Indexicals (David Braun)
• James Mill (Terence Ball)
• Karl Popper (Stephen Thornton)
• Kazimierz Twardowski (Arianna Betti)
• Logical Truth (Mario Gómez-Torrente)
• Logic and Probability (Lorenz Demey, Barteld Kooi, and Joshua Sack)
• Louis Althusser (William Lewis)
• Medieval Philosophy (Paul Vincent Spade)
• Ontological Arguments (Graham Oppy)
• Paul of Venice (Alessandro Conti)
• Personal Identity (Eric T. Olson)
• Philosophy of History (Daniel Little)
• Platonism in the Philosophy of Mathematics (Øystein Linnebo)
• Relativism (Maria Baghramian and J. Adam Carter)
• Scientific Objectivity (Julian Reiss and Jan Sprenger)
• Set Theory (Joan Bagaria)
• Socrates (Debra Nails)
• The Epistemology of Modality (Anand Vaidya)
• Thomas Hobbes (Stewart Duncan)
• Thought Experiments (James Robert Brown and Yiftach Fehige)
• Topics in Feminism (Sally Haslanger, Nancy Tuana, and Peg O'Connor)
• Transcendental Arguments (Robert Stern)
• William Godwin (Mark Philp)
• William James (Russell Goodman)
• Zhu Xi (Kirill Thompson)