A state-of-the-art overview of ancient logic for students and scholars, with in-depth analyses of its central themes.

Part I. The Development of Logic in Antiquity: 1. The prehistory of logic Nicholas Denyer; 2. Aristotle and Theophrastus Paolo Fait; 3. Megarians and Stoics Karlheinz Hülser; 4. Late antiquity Benjamin Morison; Part II. Key Themes: 5. Truth as a logical property and the laws of being true Walter Cavini; 6. Definition Michael Ferejohn; 7. Terms and propositions Paolo Crivelli; 8. Validity and syllogism Luca Castagnoli and Paolo fait; 9. Demonstration Alexander Bown; 10. Modalities and modal logic Marko Malink; 11. Fallacies and paradoxes Luca Castagnoli; 12. Logic in ancient rhetoric Christof Rapp; 13. Ancient logic and ancient mathematics Reviel Netz; Part III. The Legacy of Ancient Logic: 14. Ancient logic in the middle ages John Marenbon; 15. Ancient logic from the Renaissance to the birth of mathematical logic Mirella Capozzi and Leila Haaparanta; 16. Ancient logic today John Woods.