This volume examines many aspects of the philosophy of Avicenna, the greatest philosopher of the Islamic world.

1. The life and times of Avicenna: patronage and learning in medieval Islam David C. Reisman; 2. Avicenna's philosophical project Dimitri Gutas; 3. Avicenna on the syllogism Tony Street; 4. Avicenna's natural philosophy Jon McGinnis; 5. Avicenna and medicine Peter E. Pormann; 6. Avicenna's epistemological optimism Dag Nikolaus Hasse; 7. Certitude, justification, and the principles of knowledge in Avicenna's epistemology Deborah Black; 8. Avicenna's metaphysics Stephen Menn; 9. From the necessary existent to God Peter Adamson; 10. Avicenna's Islamic reception Robert Wisnovsky; 11. The reception of Avicenna in Jewish cultures, East and West Gad Freudenthal and Mauro Zonta; 12. Avicenna's Christian reception Amos Bertolacci.