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15Wittgenstein on the Foundations of Mathematics (review)Journal of Symbolic Logic 49 (4): 1415-1417. 1980.
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13Wittgenstein and the Turning-Point in the Philosophy of Mathematics (review)Journal of Symbolic Logic 54 (3): 1098-1100. 1989.
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5Mathematics Ayyded: The Case of AdditionIn Bonnie Gold & Roger Simons (eds.), Proof and Other Dilemmas: Mathematics and Philosophy, Mathematical Association of America. pp. 313. 2008.
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4Explaining and Explaining Away in Mathematics: The Role of “Fitness”In Carl Posy & Yemima Ben-Menahem (eds.), Mathematical Knowledge, Objects and Applications: Essays in Memory of Mark Steiner, Springer. pp. 9-22. 2023.This heretofore-unpublished lecture focusses on the phenomenon of explanation by redescription in mathematics. In such cases, the explanandum is fitted into a new mathematical framework from which it can be easily derived or even seen to be self-evident.
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4Teaching Elementary Arithmetic through ApplicationsIn Randall Curren (ed.), A Companion to the Philosophy of Education, Blackwell. 2003.This chapter contains sections titled: Logical Applications Empirical Applications Wittgenstein: A Social Constructivist?
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Getting More out of Mathematics than What We Put InIn John Polkinghorne (ed.), Meaning in mathematics, Oxford University Press. 2011.
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Hume and Maimonides on imaginability and possibilityIn Samuel Lebens, Dani Rabinowitz & Aaron Segal (eds.), Jewish Philosophy in an Analytic Age, Oxford University Press, Usa. 2019.
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Frege, the Natural Numbers, and Natural KindsIn Gila Sher & Richard L. Tieszen (eds.), Between Logic and Intuition: Essays in Honor of Charles Parsons, Cambridge University Press. pp. 291. 2000.
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The ontological argumentIn Paul K. Moser & Paul Copan (eds.), The Rationality of Theism, Routledge. pp. 280. 2003.
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Mathematical rigor in physicsIn Michael Detlefsen (ed.), Proof and Knowledge in Mathematics, Routledge. pp. 158. 1992.
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Review: Michael Detlefsen, Proof, Logic and Formalization (review)Journal of Symbolic Logic 59 (4): 1459-1462. 1994.