Articles

• [FORTHCOMING] Immateriality and Embodiment.
• [FORTHCOMING] The Belgian Connection: Godfrey of Fontaines and Marguerite Porete.
• Abelard on the Perils of Presentism in Twelfth-Century Logic and Metaphysics: Alberic of Paris and his Contemporaries, Investigating Medieval Philosophy 27, Brill 2026, 137-176.
• Christine de Pizan on Classes in History of Philosophy and Logical Analysis 28 (2025), 202-225.
• Abelard on Existential Inference, in Metaphysics Through Semantics: The Philosophical Recovery of the Medieval Mind, edited by Joshua Hochschild. Springer Verlag 2023, 21-38.
• Causal Powers in the Latin Christian West, in Powers: A History, edited by Julia Jorati. Oxford Philosophical Concepts. Oxford University Press 2021, 112-142.
• Winning, Losing, and Playing the Game, in Games, Sports, and Play, edited by Tom Hurka. Oxford University Press 2019, 23-53.
• Augustine on Evil, in Evil: A History, edited by Andrew Chignell. Oxford Philosophical Concepts. Oxford University Press 2019, 155-193.
• Marguerite Porete and Godfrey of Fontaines: Detachable Will, Discardable Virtue, Transformative Love, in Oxford Studies in Medieval Philosophy 6 (2018): 168-188.
• Later Medieval Philosophy of Cognitive Psychology, in Questions on the Soul in John Buridan and Others: A Companion to John Buridan's Philosophy of Mind, edited by Gyula Klima. Springer Verlag 2017, 1-20.
• The Science of Psychology in Ockham's Oxford, in The Language of Thought in Late Medieval Philosophy, edited by Jenny Pelletier and Magali Rocques. Springer Verlag 2017, 315-329.
• Augustine's Anti-Platonist Ascents, in Augustine's Confessions: Philosophy in Autobiography, edited by William Mann. Oxford University Press 2015, 6-27.
• Augustine on Knowledge, in The Cambridge Companion to Augustine (second edition), edited by Eleonore Stump and David Meconi, Cambridge University Press 2014, 142-165.
• Augustine on Language, in The Cambridge Companion to Augustine (second edition), edited by Eleonore Stump and David Meconi, Cambridge University Press 2014, 292-310.
• Boethius on the Problem of Desert, in Oxford Studies in Medieval Philosophy 1 (2013): 1-22.
• Augustine's Trinitarian Examples, in Medioevo 37 (2012): 83-106.
• The Semantics of Augustine's Trinitarian Analysis, in Le "De Trinitate" de Saint Augustin, edited by Emmanuel Bermon and Gerard O'Daly. Institut d'Etudes Augustiniennes: Paris 2012, 123-135. WARNING: The published version omits several pages from the paper and the result is unreadable hash. The version available here is complete. (The omitted material has to do with emblematic predication.)
• Body and Soul, in The Oxford Handbook to Medieval Philosophy, edited by John Marenbon. Oxford University Press 2012, 505-524.
• Dispassionate Passions, in Emotion and Cognitive Life in Medieval and Early Modern Philosophy, edited by Martin Pickavé and Lisa Shapiro. Oxford University Press 2012, 9-31.
• Augustine and Anselm on Angelic Sin, in A Companion to Angels and Medieval Philosophy, edited by Tobias Hoffmann. Brill's Companions to the Christian Tradition. Leiden: Brill 2012, 261-281.
• Boethius's Anti-Realist Arguments, in Oxford Studies in Ancient Philosophy 40 (2011): 381-401. PDF offprint available here.
• Aquinas on the Emotions, in The Oxford Handook of Aquinas, edited by Brian Davies and Eleonore Stump. Oxford University Press 2011, 209-226.
• Scotus's Rejection of Anselm: The Two-Wills Theory, in Archa Verbi Subsidia 5. Johannes Duns Scotus 1308-2008: Investigations into his Philosophy. Edited by Ludger Honnefelder, Hannes Mohle, Andreas Speer, Theo Kobusch, Susana Bullido Del Barrio. Munster: Aschendorff 2011, 359-378. PDF offprint available here.
• Mediaeval Intentionality and Pseudo-Intentionality, Quaestio 10 (2010), 25-44.
• Emotions in Medieval Thought, in The Oxford Handbook of the Emotions, edited by Peter Goldie. Oxford University Press 2010, 167-188.
• Augustine on Testimony [with Nathan Ballantyne], in the Canadian Journal of Philosophy 39 (2009), 195-214.
• The Inner Cathedral: Mental Architecture in High Scholasticism, in Vivarium 46 (2008), 253-274.
• Thinking About Things: Singular Thought in the Middle Ages, in Intentionality, Cognition, and Representation in the Middle Ages, edited by Gyula Klima, Fordham University Press 2007.
• Boethius: The First of the Scholastics, in Carmina philosophiae 16 (2007), 23-50.
• Damaged Goods: Human Nature and Original Sin, in Faith and Philosophy 24 (2007), 247-267.
• Abelard's Answers to Porphyry, in Documenti e studi sulla tradizione filosofica medievale 18 (2007), 249-270.
• Why Isn't the Mind-Body Problem Mediaeval?, in Forming the Mind, edited by Henrik Lagerlund, Springer Verlag 2007, 187-205.
• Abelard on Mental, in The American Catholic Philosophical Quarterly 81 (2007), 169-187.
• (St.) Anselm of Canterbury [1033-1109], in The Encyclopaedia of Philosophy (second edition), edited by Donald Borchert, vol. 1 214-219.
• Rethinking Representation in the Middle Ages, in Representation and Objects of Thought in Medieval Philosophy, edited by Henrik Lagerlund, Ashgate Press 2007, 81-100.
• Le rôle des concepts selon Ockham, Philosophiques 32 (2005), 435-447. [An English version is available here.]
• Duns Scotus on Singular Essences, in Medioevo 30 (2005), 111-137.
• Ockham's "Summa logicae", in Central Works of Philosophy Vol. 1, edited by John Shand, Acumen Publishing 2005, 242-269.
• Augustine's Encounter with Neoplatonism, in The Modern Schoolman 82 (2005), 213-226.
• Anselm on the Philosophy of Language, in The Cambridge Companion to Anselm, edited by Brian Leftow and Brian Davies, Cambridge University Press 2004, 84-110.
• Abelard, in the online Stanford Encyclopaedia of Philosophy. (Original article written in 2004; updated several times since then, now co-authored with Andy Arlig.)
• Duns Scotus on Mental Content, Duns Scot à Paris, 1302-2002 (Actes du colloque de Paris, 2-4 septembre 2002), eds. O. Boulnois, E. Karger, J-L Solère, G. Sondag, Collection Textes et Etudes du Moyen Age no.26, Brepols 2004, 65-88.
• The Metaphysics of Peter Abelard, in The Cambridge Companion to Abelard, edited by Jeff Brower and Kevin Guilfoy, Cambridge University Press 2004, 65-125. There is a review of this anthology by Martin Tweedale here.
• Two Conceptions of Experience in Medieval Philosophy and Theology 11 (2003), 203-226.
• Duns Scotus's Metaphysics, in The Cambridge Companion to John Duns Scotus, edited by Thomas Williams, Cambridge University Press 2003, 15-68. There is a review of this anthology by Stephen Dumont here, and a short note by Guus Labooy here.
• Late Scholastic Theories of the Passions: Controversies in the Thomist Tradition, in Emotions and Choice from Boethius to Descartes. Edited by Henri Lagerlund and Mikko Yrjönsuuri. Kluwer 2002, 229-258.
• Duns Scotus on Possibilities, Powers, and the Possible, in Potentialität und Possibilität: Modalaussagen in der Geschichte der Metaphysik, eds. Thomas Buchheim, C. H. Kneepkens, and Kuno Lorenz. Fromann-Holzboog: Stuttgart-Bad Canstatt 2001, 175-199.
• Consequence as Inference: Mediaeval Proof Theory 1300-1350, in Medieval Formal Logic: Obligations, Insolubles, and Consequences, edited by Mikko Yrjönsuuri, The New Synthese Historical Library 49: Kluwer Academic Press 2001, 117-145.
• John Buridan's Solution to the Problem of Universals, in The Metaphysics and Natural Philosophy of John Buridan, edited by J. M. M. H. Thijssen and Jack Zupko, E. J. Brill 2001, 1-27.
• The Problem of Individuation in the Middle Ages, in Theoria 66 (2000), 159-184.
• Aquinas on the Passions, in Aquinas's Moral Theory, edited by Scott MacDonald and Eleonore Stump, Cornell University Press 1999, 101-132.
• Ockham's Ethical Theory, in The Cambridge Companion to William of Ockham, edited by Paul Spade, Cambridge University Press 1999, 227-244.
• Augustine on the Impossibility of Teaching, in Metaphilosophy 29 (1998), 179-195.
• Thomas Hobbes's Children, in The Philosopher's Child: Critical Essays in the Western Tradition, edited by Susan M. Turner and Gareth B. Matthews, University of Rochester Press 1998, 65-83.
• From intellectus uerus/falsus to the dictum propositionis: The Semantics of Peter Abelard and His Circle [with Klaus Jacobi and Christian Strub], in Vivarium 34.1 (1996), 15-40.
• Abelard's Intentionalist Ethics, in The Modern Schoolman 72 (1995), 213-232.
• Duns Scotus on the Reality of Self-Change, in Self-Motion From Aristotle to Newton, edited by Mary-Louise Gill and Jim Lennox, Princeton University Press 1994, 227-290.
• Scholasticism and the Philosophy of Mind: The Failure of Aristotelian Psychology, in Scientific Failure, edited by Tamara Horowitz and Allen I. Janis, Rowman & Littlefield 1994, 109-138.
• Bonaventure's Theory of Individuation, in Individuation in Scholasticism: The Later Middle Ages and the Counter-Reformation, 1150-1650, edited by Jorge Gracia, SUNY Press 1994, 141-172.
• Jean Buridan's Theory of Individuation, in Individuation in Scholasticism: The Later Middle Ages and the Counter-Reformation, 1150-1650, edited by Jorge Gracia, SUNY Press 1994, 397-430.
• Duns Scotus on the Common Nature and the Individual Differentia, in Philosophical Topics 20 (1992), 50-76.
• Mediaeval Thought-Experiments: The Metamethodology of Mediaeval Science, in Thought-Experiments in Science and Philosophy, edited by Gerry Massey and Tamara Horowitz, Rowman & Littlefield 1991, 43-64.
• Towards a Theory of the General Will, in History of Philosophy Quarterly 4 (1987), 33-51.
• Jean Buridan's Philosophy of Science, in Studies in History and Philosophy of Science 18 (1987), 109-132.
• Anselm's Intentional Argument, in History of Philosophy Quarterly 1 (1984), 147-166.