Modal Logic: An Introduction by Chellas, Brian F.

Modal Logic by Brian F. Chellas - 9780521295154

Wittgenstein's Lectures on the Foundations of... - Wittgenstein, Ludwig

Modal Logic: An Introduction by Brian F Chellas: Used

Modal Logic: An Introduction

Modal Logic: An Introduction - Paperback, by Chellas Brian F. - Acceptable

Major Works: Selected Philosophical Writings (Harper... - Wittgenstein, Ludwig

Modal Logic: An Introduction by Chellas