|Graduate Seminar: Plato, Theaetetus
|234 Moses Hall
For various reasons the Theaetetus is not only crucial for an understanding of Plato’s later philosophy, it also sheds significant light on the earlier dialogues because its central question: ‘What is knowledge?’ underlies Plato’s dialogues right from the Socratic investigations on. Plato’s treatment of this question raises significant questions: They concern the sceptical atti-tude expressed in the sophist Protagoras’ maxime that man is the measure of all things, and in the flux-theory of the extreme Heracliteans. A further intriguing problem concerns the status of non-being and saying or thinking what is not. The dialogue’s negative end, despite some promising manoeuvres, leaves open to speculation what are the ultimate conditions of Plato’s epistemology and metaphysics.