Discussing Arthur Schopenhauer's On the Fourfold Root of the Principle of Sufficient Reason, published in 1847 (as an expansion of his doctoral thesis from 1813).
π 2010-11-21 21:37 / β 00:31:40
π 2010-11-01 05:27 / β 00:31:19
π 2010-10-10 20:47 / β 00:31:47
π 2010-09-25 22:57 / β 00:32:28
π 2010-09-10 22:09 / β 00:31:58