Table of Contents

Frontmatter — Acknowledgements — Table of Contents — Abbreviations — 1. Introduction — Part I. — 2. The Foundation of Aristotle's Theory of Aether — 3. The Existence of Aether: De cáelo I 2 — 4. The Nature of Aether: De cáelo 13–4 — Part II. — 5. Philoponus' Rejection of Aether: Book I — 6. On the Nature of the Celestial Region: Books II and III — 7. The Celestial Body: Unchangeable but Corruptible — 8. Conclusion — 9. List of Fragments — 10. Indices — 11. Bibliography — Backmatter