Lingua Universalis vs. Calculus Ratiocinator
An Ultimate Presupposition of Twentieth-century Philosophy »

Language, Truth And Logic In Mathematics
Language, Truth and Logic in Mathematics »

Paradigms For Language Theory And Other Essays
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The Logic of Epistemology and the Epistemology of Logic
Selected Essays »

Philosophy and Logic in Search of the Polish Tradition
Essays in Honour of Jan Wolenski on the Occasion of His 60th Birthday »

Ludwig Wittgenstein, Half-Truths and One-And-A-Half-Truths
Half-Truths And One-And-A-Half-Truths »

On Godel
On Godel »

Knowledge and Belief - An Introduction to the Logic of the Two Notions
An Introduction To The Logic Of The Two Notions »

Analyses of Aristotle
Aristotle serves as an example of a thinker who did not rely on the distinction between the allegedly different Fregean senses, thereby shedding new light on... »

Socratic Epistemology
Explorations Of Knowledge-Seeking By Questioning »