khwāja naṣīr al-dīn ṭūsī is one of the greatest thinkers of the middle centuries (ah), who enjoys a high status in science and literature and has a worldwide reputation. naṣīr al-dīn ṭūsī did not suffice himself merely with science (‘ilm) and thought and was involved in practical politics, too. the last two decades of khwāja naṣīr’s life in ilkhanids courts was his period of scientific and prac...

the elements of euclid, sometimes knows as the “the book of euclid”, and in the mathematical texts of the islamic period often referred to as “the book of the elements”, is one of the main sources of islamic mathematics. this paper addresses the history of the translation of this book and its recension by naṣīr al-dīn ṭūsī. then, through a comparison of the first chapter of the fourth part of q...

İslam düşünce tarihinin en etkili şahsiyetlerinden biri Fahreddin Râzî’dir (ö. 606/1210). Başta metafizik ve teolojik bahisler olmak üzere birçok konu ile ilgili problem oluşturan müşekkik, sorunları mezhepler üstü çözmeye çalışan muhakkik farklı görüşü üst kavramlarda buluşturan câmi kimlikleri, kendinden sonraki bütün düşünürleri ciddi anlamda etkilemiştir. Bu yüzden gelenekte ekoller onun ge...

Abstract This paper is devoted to a fascinating passage in Faḫr al-Dīn al-Rāzī (d. 1210), which he argues that non-human animals have rational souls. It found his Mulaḫḫaṣ fī l-manṭiq wa-l-ḥikma ( Epitome on Philosophy and Logic ). Following discussion of the afterlife, suggests should, like humans, be capable grasping universals, they are aware their own identity over time. Furthermore, animal...

this article is devoted to kamāl al-dīn al-fārsī’s (d. 1319) additions to some remarks contained in book xiii of al-ṭūsī’s taḥrīr uṣūl al-handasa, concerning the construction of a semi-regular polyhedron inscribed into a sphere using the movement as a way for the construction. this treatise is one treatise among ten found in a codex preserved at the bibliothèque nationale de tunis.

Abstract The debates on Kulliyyāt I .1.ii of Ibn Sīnā’s Qānūn (“on the subjects medicine”) were initiated by Faḫr al-Dīn al-Rāzī and continued Afḍal al-Ḫūnaǧī, Naǧm al-Naḫǧawānī, Yaʿqūb ibn Ġanāʾim al-Sāmirī, Rafīʿ al-Ǧīlī, al-Nafīs, al-Quff al-Masīḥī. In his own commentary, entitled al-Tuḥfa al-saʿdiyya , Quṭb al-Šīrāzī preserved scrutinized predecessors’ commentaries, in order to offer what h...