BOOKS

Stoic Logic
    University of California Publications in Philosophy, vol. 26, 1953.

Elementary Logic
    Second edition, Oxford University Press, 1972.

Skeptical Essays
    University of Chicago Press, 198 1.

The Philosophy of Leibniz: Metaphysics and Language
    Oxford University Press, 1986.

The Skeptic Way: Sextus Empiricus's Outlines of Pyrrhonism
    Oxford University Press, 1996.

ARTICLES (partial list)

Synonymity
     In Meaning and Interpretation, University of California Publications in Philosophy, vol. XXV,
     1950, pp. 201-226.

Analytic sentences
     The Philosophical Review, vol. LX, 1951, pp. 525-534.

Sense data
     Inquiry, vol. W, 1967, pp. 225-244.

Leibniz on possible worlds
     In Logic, Methodology and Philosophy of Science, vol. 3, Amsterdam, 1968, pp. 507-529.

Descriptions and reference
    Foundations of Language, vol. 10, 1973, pp. 409-418.

On the semantics of proper names
    In Ut Videam: Contributions to an Understanding of Linguistics, The Peter de Ridder Press,
    Lisse, Netherlands, 1975.

Identity and predication in Plato
    Phronesis, vol. 24, 1979, pp. 211-229.

On refuting the skeptic
    Proceedings and Addresses of the APA, vol. 58, no. 1, 1984, pp. 21-35