Aristotle’s invention of logic in the Organon (especially Categories, On Interpretation, Prior Analytics)
📆 2011-05-23 10:19 / ⌛ 00:20:47
📆 2011-05-23 05:19
📆 2011-05-16 07:38 / ⌛ 00:21:16
📆 2011-05-16 07:38 / ⌛ 00:21:17
📆 2011-05-09 09:49 / ⌛ 00:25:15