No serious philosopher or student of philosophy can afford to neglect Wittgenstein's work. Professor Fogelin provides an authoritative critical evaluation of both the Tractatus Logico-Philosophicus and Philosophical Investigations, enabling the reader to come to grips with these difficult yet key works. Fogelin explains Wittgenstein's attempt in the Tractatus to combine a picture theory of propositional structure, and also explores Wittgenstein's own criticisms of the Tractarian synthesis. He gi