University of Isfahan Metaphysics 2476-3276 2 7 2010 04 21 Suhrawardi’s Ideas about Syllogism Suhrawardi’s Ideas about Syllogism 1 10 19153 FA Z Movahed Professor Head of Logic Department, Iranian Institute of Philosophy Journal Article 2016 06 14 Shihāb al-Dīn al-Suhrawardī (d. 1194), in his most important book, Hikmat al-Ishrāq, claims that he has simplified the Aristotelian theory of syllogism by reducing its many rules to a few by which the validity of all moods can be proven. This is done by reducing all negative and particular categorical propositions to universal affirmative propositions and introducing two meta-language rules, one for the second and the other for the third figure. This article is an exposition of the non-modal part of his syllogism and an examination of his claim to simplifying the Aristotelian theory of syllogism. Shihāb al-Dīn al-Suhrawardī (d. 1194), in his most important book, Hikmat al-Ishrāq, claims that he has simplified the Aristotelian theory of syllogism by reducing its many rules to a few by which the validity of all moods can be proven. This is done by reducing all negative and particular categorical propositions to universal affirmative propositions and introducing two meta-language rules, one for the second and the other for the third figure. This article is an exposition of the non-modal part of his syllogism and an examination of his claim to simplifying the Aristotelian theory of syllogism. https://mph.ui.ac.ir/article_19153_5b3465f692b830f1720f64218fe0ec4a.pdf