athir al-din al-abhari has a treatise bibliographies have called “thamani ‘ashra mas’ala fi al-kalam” (i.e., 18 problems in theology) or “al-mas’il” (i.e. the problems), but our findings show that its real name is “tahrir al-dalail fi taqrir al-masa’il” (i.e. the introduction of arguments for the establishment of the problems). the treatise, which is presumably his only writing in kalam, contai...

for the first time in the history of logic, abd al razzaq al-jili (d. 570/1174), in the treatise al-lame fi al-shakl al-rabe, dealt with the modal syllogisms of the fourth figure. previous to him, dinha, the priest, and ibn salah al-hamadani had discussed the non-modal moods of the fourth figure. jili’s treatise deals only with simple modalities and ignores the complex ones. his pupil, fakhr al...

the logical treatise al-muhja has been attributed to avicenna in some bibliographies of logical treatises. since a proper understanding of the development of avicennian logic rests on the identification and consideration of the entire corpus of his logical works, the task of the present study is to investigate the validity of ascription of this treatise to avicenna. in carrying out an analysis ...

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.

abu al-qasim khalaf ibn al-abbas al-zahrawi, also known as albucasis, is one of the greatest physicians and surgeons in islamic world who is best remembered for his medical encyclopedia, al-tasrif li man ajaz an-il-talif (an aid for those who lack the capacity to read big books). al-tasrif li man ajaz an-il-talif(an aid for those who lack the capacity to read big books). al-tasrifwas translated...