"The twelfth-century Persian philosopher Suhrawardi was the key figure in the transition of Islamic philosophy from the neo-Aristotelianism of Avicenna to the mystically oriented Islamic philosophy of later centuries. Suhrawardi's "Illuminationist" philosophy was a vigorous reassertion of Neoplatonism at a time when Sufism was becoming a major presence in Islamic thought and society."--BOOK JACKET.

"This book traces the intellectual background of Suhrawardi's thought and of the Greek roots of non-Aristotelian philosophy in the Islamic world."--BOOK JACKET.

"The Leaven of the Ancients provides a translation of Suhrawardi's famous dream, in which Aristotle reveals the epistemological foundations of Suhrawardi's Illuminationist system. The book also analyzes the role played by Suhrawardi and his approach to philosophy in turning Islamic civilization away from physical science toward a subtle mystical psychology, thus offering a new explanation for the decline of science in Islam."--BOOK JACKET.