What's New in the Fall 2026 PDF Library
New Entries
Entries With Substantive Content Changes
- 18th Century German Philosophy Prior to Kant (Corey Dyck and Brigitte Sassen)
- Aesthetics and Cognitive Science (Jon Robson and Gregory Currie)
- Alexander of Aphrodisias (Dorothea Frede and Marije Martijn)
- Anaxagoras (John Sisko and Patricia Curd)
- Aristotle’s Ethics (Richard Kraut)
- Basil [Cardinal] Bessarion (Eva Del Soldato)
- Bernard Bosanquet (William Sweet)
- Bolzano’s Logic (Paul Rusnock and Jan Šebestik)
- Boundary (Achille Varzi)
- Chauncey Wright (Jean De Groot)
- Cosmological Argument (Bruce Reichenbach)
- Death (Steven Luper)
- Defaults in Semantics and Pragmatics (Katarzyna M. Jaszczolt)
- Epistemic Contextualism (Patrick Rysiew)
- Essential vs. Accidental Properties (Philip Atkins, Fabrice Correia, and Teresa Robertson Ishii)
- Friedrich Nietzsche (R. Lanier Anderson)
- Gabriel (-Honoré) Marcel (Brian Treanor and Brendan Sweetman)
- George Berkeley (Lisa Downing and David Hilbert)
- Godfrey of Fontaines (Tobias Hoffmann and John Wippel)
- Gottlob Frege (Edward N. Zalta)
- Henri Poincaré (Gerhard Heinzmann and David Stump)
- Higher-Order Evidence (Sophie Horowitz)
- Impartiality (Troy Jollimore)
- Indexicals (David Braun and Alexandru Radulescu)
- Intergenerational Justice (Lukas Meyer)
- Isaac Israeli (Leonard Levin, R. David Walker, and Shalom Sadik)
- Jane Addams (Maurice Hamington)
- Jean-Paul Sartre (Jack Reynolds and Pierre-Jean Renaudie)
- John Norris (June Yang)
- José Ortega y Gasset (Oliver Holmes)
- Karl Popper (Stephen Thornton)
- Kūkai (John Krummel)
- Liar Paradox (Jc Beall, Michael Glanzberg, Ellie Ripley, and Lorenzo Rossi)
- Locke on Real Essence (Jan-Erik Jones)
- Logic of Belief Revision (Sven Ove Hansson)
- Ludwig Wittgenstein (Anat Biletzki and Anat Matar)
- Margarete Susman (Willi Goetschel)
- Mereology (Achille Varzi)
- Metaepistemology (J. Adam Carter and Ernest Sosa)
- Michel de Montaigne (Marc Foglia and Emiliano Ferrari)
- Moral Realism (Geoff Sayre-McCord)
- Moral Relativism (Chris Gowans)
- Mysticism (Richard Jones and Jerome Gellman)
- Natural Properties (Cian Dorr)
- Nicholas of Autrecourt (Hans Thijssen)
- Optimality-Theoretic and Game-Theoretic Approaches to Implicature (Robert van Rooij and Michael Franke)
- Origen (Mark J. Edwards)
- Peter Abelard (Peter King and Andrew Arlig)
- Philippa Foot (John Hacker-Wright)
- Philosophy of International Law (John Tasioulas and Guglielmo Verdirame)
- Philosophy of Technology (Maarten Franssen, Ibo van de Poel, Michael Klenk, and Filippo Santoni de Sio)
- Physicalism (Daniel Stoljar)
- Plural Quantification (Øystein Linnebo)
- Political Realism in International Relations (W. Julian Korab-Karpowicz)
- Positive and Negative Liberty (Ian Carter and Ilkin Huseynli)
- Process Theism (Donald Viney)
- Quantum-Bayesian and Pragmatist Views of Quantum Theory (Richard Healey)
- Quantum Field Theory (Meinard Kuhlmann)
- Recognition (Mattias Iser)
- Republicanism (Frank Lovett)
- Respect (Robin S. Dillon)
- Rudolf Carnap (Hannes Leitgeb and André Carus)
- Scientific Method (Brian Hepburn and Hanne Andersen)
- Scottish Philosophy in the 18th Century (Alexander Broadie and Craig Smith)
- Self-Defense (Helen Frowe and Jonathan Parry)
- Sense Data (Gary Hatfield)
- Supervenience in Ethics (Tristram McPherson)
- Susan Stebbing (Michael Beaney and Siobhan Chapman)
- The Concept of the Aesthetic (James Shelley)
- The Definition of Death (Adam Omelianchuk and David DeGrazia)
- The Disjunctive Theory of Perception (Matthew Soteriou)
- The Kyoto School (Bret W. Davis)
- The Meaning of Life (Thaddeus Metz)
- Theories of Biological Development (Melinda Bonnie Fagan and Jane Maienschein)
- Wesley Salmon (Maria Carla Galavotti)
Entries With Minor Corrections
- 17th and 18th Century Theories of Emotions (Amy M. Schmitter)
- Action (Juan S. Piñeros Glasscock and Sergio Tenenbaum)
- Aesthetic Testimony (Jon Robson and Rebecca Wallbank)
- Analysis (Michael Beaney and Thomas Raysmith)
- Ancient Skepticism (Katja Vogt)
- Beauty (Crispin Sartwell)
- Causal Decision Theory (Paul Weirich)
- Challenges to Metaphysical Realism (Drew Khlentzos)
- Church’s Type Theory (Christoph Benzmüller and Peter Andrews)
- Comparative Philosophy: Chinese and Western (David Wong)
- Curry’s Paradox (Lionel Shapiro and Jc Beall)
- David Hume (Hsueh Qu and Elizabeth S. Radcliffe)
- Diagrams and Diagrammatical Reasoning (Sun-Joo Shin, Oliver Lemon, and John Mumma)
- Donald Cary Williams (Keith Campbell, James Franklin, and Douglas Ehring)
- Dualism (Howard Robinson and Ralph Weir)
- Emotion (Andrea Scarantino and Ronald de Sousa)
- Epistemology of Geometry (Jeremy Gray and José Ferreirós)
- Ethics of Artificial Intelligence and Robotics (Vincent C. Müller)
- Experiment in Biology (Marcel Weber)
- Exploitation (Matt Zwolinski, Benjamin Ferguson, and Alan Wertheimer)
- Free Will (Timothy O’Connor and Christopher Franklin)
- Friedrich Hayek (David Schmidtz and Peter Boettke)
- Generic Generalizations (Sarah-Jane Leslie and Adam Lerner)
- Hermeneutics (Theodore George)
- Holism and Nonseparability in Physics (Richard Healey and Henrique Gomes)
- Hugo Grotius (Jon Miller)
- Human Rights (James Nickel and Adam Etinson)
- Hume’s Newtonianism and Anti-Newtonianism (Eric Schliesser and Tamás Demeter)
- Infinity (Kenny Easwaran, Alan Hájek, Paolo Mancosu, and Graham Oppy)
- Information Technology and Moral Values (John Sullins)
- Intuitionism in the Philosophy of Mathematics (Rosalie Iemhoff)
- Jacques Derrida (Leonard Lawlor)
- Johann Gottlieb Fichte (Dan Breazeale)
- John Dewey (David Hildebrand)
- Locke’s Political Philosophy (Alex Tuckness)
- Many-Worlds Interpretation of Quantum Mechanics (Lev Vaidman)
- Max Weber (Sung Ho Kim)
- Memory (Kourken Michaelian and John Sutton)
- Metaphysical Explanation (Andrew Brenner, Anna-Sofia Maurin, Alexander Skiles, Robin Stenwall, and Naomi Thompson)
- Miracles (Timothy McGrew and Robert Larmer)
- Models in Science (Roman Frigg and Stephan Hartmann)
- Moral Responsibility and the Principle of Alternative Possibilities (David Robb)
- Naturalistic Approaches to Social Construction (Ron Mallon)
- Neoliberalism (Kevin Vallier)
- Neutral Monism (Leopold Stubenberg and Donovan Wishon)
- Nicolas Malebranche (Tad Schmaltz)
- Pacifism (Andrew Fiala)
- Philosophical Aspects of Multi-Modal Logic (Sonja Smets and Fernando Velázquez-Quesada)
- Philosophical Issues in Quantum Theory (Wayne Myrvold)
- Philosophy of Macroevolution (Derek Turner and Joyce C. Havstad)
- Political Representation (Suzanne Dovi and Wendy Salkin)
- Probabilistic Causation (Christopher Hitchcock)
- Psychologism (Martin Kusch)
- Regularity and Inferential Theories of Causation (Holger Andreas and Mario Guenther)
- Relational Quantum Mechanics (Carlo Rovelli)
- René Descartes (Gary Hatfield)
- Retrocausality in Quantum Mechanics (Simon Friederich and Peter W. Evans)
- Richard Sylvan [Routley] (Dominic Hyde, Filippo Casati, and Zach Weber)
- Scientific Progress (Ilkka Niiniluoto)
- Sex and Sexuality (Raja Halwani)
- Simplicius (Christoph Helmig)
- Social Choice Theory (Christian List)
- Social Epistemology (Cailin O’Connor, Sanford Goldberg, and Alvin Goldman)
- Sorites Paradox (Diana Raffman and Dominic Hyde)
- Susanne Langer (Juliet Floyd)
- Territorial Rights and Territorial Justice (Margaret Moore)
- The Einstein-Podolsky-Rosen Argument in Quantum Theory (Arthur Fine)
- The Emergence of First-Order Logic (William Ewald)
- The Lambda Calculus (Jesse Alama and Johannes Korbmacher)
- Theories of the Common Law of Torts (Arthur Ripstein)
- The Role of Decoherence in Quantum Mechanics (Guido Bacciagaluppi)
- The Social Dimensions of Scientific Knowledge (Helen Longino)
- Type Theory (Thierry Coquand)
- Voluntary Euthanasia (Robert Young)
- Walter Benjamin (Peter Osborne and Matthew Charles)
