Preface; Introduction; 1. Heraclitus' conceptions of flux, fire and material persistence David Wiggins; 2. Epistemology and meaning in Heraclitus Edward Hussey; 3. The dénouement of the Cratylus Malcolm Schofield; 4. Cratylus' theory of names and its refutation Bernard Williams; 5. Knowledge and language: the Theaetetus and the Cratylus Julia Annas; 6. Falsehood and not-being in Plato's Sophist John McDowell; 7. Forms and dialectic in the second half of the Parmenides Julius M. Moravcsik; 8. Aristotle and the more accurate arguments Gail Fine; 9. Aristotle on the principles of change in Physics I David Bostock; 10. Aristotle on natural teleology John M. Cooper; 11. Accidental unities Gareth B. Matthews; 12. Aristotle's concept of signification T. H. Irwin; 13. Saving Aristotle's appearances Martha Craven Nussbaum; 14. Myths about non-propositional thought Richard Sorabji; 15. Gods and heaps M. F. Burnyeat; Bibliography of the publications of G. E. L. Owen; Indexes.