The generally accepted view that the Islamic philosophic tradition established by Fārābī (d. 339/950) came to an end with Ebn Rošd (Averroes, fl. 520-95/1126-98) has been challenged by scholars who have pointed to the continuity of that tradition in the East, principally in Iran, to the present day. In order to understand the point at issue, one must begin with Avicenna, as a disciple of Fārābī, which in many ways he was, but also as a thinker who attempted to redefine the course of Islamic philosophy and channel it into new directions. For to the extent that the post-Averroistic tradition remained philosophic, it moved in the directions charted for it by Avicenna in the investigation of both theoretical and practical sciences.