Avicenna revolutionizes metaphysics with groundbreaking ideas about necessity and contingency, and his new distinction between essence and existence.
π 2013-07-21 08:18 / β 00:22:51
π 2013-07-21 03:18 / β 00:22:52
π 2013-07-14 08:04 / β 00:23:40
π 2013-07-14 03:04
π 2013-07-07 08:41 / β 00:26:00