at the beginning of his magnum opus al-hekmat al-muta’aleiat fi al-asfar al-aqliiat, mulla sadra says that he has nominated and arranged his book according to “the four journeys” of the mystics. what he and the mystics say on these journeys reminds those familiar with greek philosophy of plato’s phaedrus and republic (journey of souls onto sky and the allegory of cave, respectively). in spite o...

Mohammad Javad Rezaei* Mahdi Dasht Bozorgi**  One of the most important philosophical theories of Mulla Sadra is substantial motion, which has greatly influenced other philosophical discussions. In this article, first we refer to the historical background of the theory before Mulla Sadra, namely in Peripatetic Philosophy, and then deal with Mulla Sadra’s innovations, such as ...