Abstract
In the study of the history of Islamic philosophy, most researchers have focused on certain distinguished figures and/or periods during which some highly remarkable developments took place. It is probably for this reason that until very recently the period between Naṣīr al-Dīn Ṭūsī (597/1201–672/1274) and Mullā Ṣadrā (ca. 79/1571–1045/1636 or 1050/1640) attracted relatively little attention — it was almost commonly believed that, due to certain unfavorable historical circumstances, philosophical thought made few, if any, major breakthroughs during these three centuries. I will not say that this opinion is absolutely wrong — after all, it is evident that this period did not produce any thinker comparable in status ..