Lingua Universalis vs. Calculus Ratiocinator:: An Ultimate Presupposition of Twentieth-Century Philosophy

The Game of Language: Studies in Game-Theoretical Semantics and Its Applications

Paradigms for Language Theory and Other Essays

Models for Modalities: Selected Essays

Language, Truth and Logic in Mathematics

Knowledge and the Known: Historical Perspectives in Epistemology

Inquiry as Inquiry: A Logic of Scientific Discovery

The Logic of Epistemology and the Epistemology of Logic: Selected Essays

The Method of Analysis: Its Geometrical Origin and Its General Significance

Information and Inference