2013. Greatness of Soul: In Hume, Aristotle and Hobbes, As Shadowed by Milton's Satan, Cambridge: Cambridge Scholars Publishing. [link]
1989. Metaphysics: The Logical Approach, Oxford: Oxford University Press.
1964. Infinity: An Essay in Metaphysics, Oxford: Clarendon Press.

1996. One Word of The Sea: Metaphysics of Wallace Stevens, The Wallace Stevens Journal 20(2): 181-98. [pdf]
1996. Metaphysics and Poetry: The Quinean Approach, Poetics Today 17(2): 129-56. [pdf]
1994. A Stevens Calendar, The Wallace Stevens Journal 18(2): 207. [pdf]
1993. Real definitions: Quine and Aristotle, Philosophical Studies 72(2/3): 265–82. [pdf]
1992. The Ring of Gyges: An Aristotelian Approach to Ethics, Proceedings of The Creighton Club 136th Meeting, April 1992: 1-21. [pdf]
1986. Metaphysics for Lovers, Graduate Faculty Philosophy Journal 11(2): 37-48. [pdf]
1979. Toward A Philosophy of Chess, Philosophic Exchange 2(5): 53-63. [pdf]
1976. Infinity and the Double Language of Mathematics, Philosophic Exchange 2(2): 31-41. [pdf]
1976. Mechanism and the good, Philosophical Forum: A Quarterly 7(3/4): 294-315. [pdf]
1971. Induction and Infinity, Ratio 13(2): 139-49. [pdf
1970. Macbeth’s Last Words, Interpretation 1(1): 63-75. [pdf]
1969. Sense-perception and the a priori, Mind 78(310): 161–77. [pdf]
1968. Continuity and the theory of measurement, Journal of Philosophy 65(14): 411-30. [pdf]
1962. Is there a problem about logical possibility?, Mind 71(283): 342–52. [pdf]
1959. Aristotle’s argument from time, Review of Metaphysics 12(3): 361-9. [pdf]
1958. The analytic a posteriori and the foundations of metaphysics, Journal of Philosophy 55(12): 503–14. [pdf]
1958. Outness, Journal of Philosophy 55(8): 317–22. [pdf]
1954. On being and nothing, Review of Metaphysics 7(3): 363-7. [pdf]
1949. Eliot’s Water Imagery: An Adventure in Symbolism, Occidental: An International Review of Books and Literature no. 7 (Sept, 1949): 1-6. [pdf]

Book Chapters
2002. Logic and ontology: Numbers and sets. In Dale Jacquette (ed.) A Companion to Philosophical Logic, Blackwell. [pdf]
1998. Grasping the Infinite. In Peter van Inwagen & Dean Zimmerman (eds.) Metaphysics: The Big Questions, Wiley-Blackwell. Reprinted 2008, 2nd ed. [pdf]
1994. Artifical intelligence and the synthetic a priori. In M. Michael & J. O’Leary-Hawthorne (eds.) Philosophy in Mind: The Place of Philosophy in the Study of Mind, Kluwer: Dordrecht. [pdf]
1991. Baxandall and Goodman. In S. Kemal & I. Gaskell (eds.) The Language of Art History, Cambridge University Press (with Catherine Lord). [pdf]
1990. Therapeutics and hermeneutics. In E. Curley & P. F. Morean (eds.) Spinoza: Issues and Directions, E. J. Brill, Leiden. [pdf]
1990. Infinity. In H. Burkhardt & B. Smith (eds.) Handbook of Metaphysics and Ontology, Philosophia Resources Library: Munich. [pdf]
1985. The deduction of causality. In R. Kennington (ed.) The Philosophy of Immanuel Kant, Catholic University Press. [pdf]
1980. Spinozistic anomalies. In R. Kennington (ed.) The Philosophy of Baruch Spinoza, Catholic University Press. [pdf]

Book Reviews
1992. Matter in Mind by Richard E. Aquila, International Studies in Philosophy 24(3): 117-8. [pdf]
1992. Parts of Classes by David Lewis, Review of Metaphysics 45(3): 620-22. [pdf]
1991. Constructibility and Mathematical Existence by Charles S. Chihara, Review of Metaphysics 45(1): 114-15. [pdf]
1985. Mathematics and Philosophy: Selected Essays by C. Parsons, Review of Metaphysics 38(3): 674-76. [pdf]
1984. Infinity and Continuity in Ancient and Medieval Thought by Norman Kretzmann, Noûs 18(2): 367-73. [pdf]
1983. Power, Form and Mind by A. Berndtson, Review of Metaphysics 37(2): 392-92. [pdf]
1983. Rationality and Relativism by M. Hollis; S. Lukes (eds.), Review of Metaphysics 37(1): 122-24. [pdf]
1983. From Descartes to Hume by Louis E. Loeb, Philosophy in Review 3(2): 79-82. [pdf]
1982. Sceptical Essays by B. Mates, Review of Metaphysics 36(2): 463-64. [pdf]
1982. Paradoxes: A Study in Form and Predication by James Cargille, Dialogue 21(02): 342-45. [pdf]
1979. The Infinite in Mathematics by F. Kaufmann; P. Foulkes; B McGuinness, Review of Metaphysics 32(4): 761-62. [pdf]
1979. Gödel, Escher, Bach: An Eternal Golden Braid by D. R. Hofstadter, Review of Metaphysics 33(1): 181-82. [pdf]
1979. Hare and Madden's Ducasse (Review: Causing, Perceiving, and Believing by Edward Madden; Peter Hare), Noûs 13(3): 403-6. [pdf]
1973. Creative Synthesis and Philosophic Method by Charles Hartshorne, Journal of Philosophy 70(7): 210-14. [pdf]

1953. An essay on time: wherein a neglected argument for the prime mover is shown to be demonstrative, University of Virginia. [pdf] 80pp. (30mb)

M.A. Thesis
1951. The Citizens: A Philosophic Dialogue, University of Virginia. [pdf] 37pp. (11mb) --new typeset--