4 ideas
21336 | Crates lived in poverty, and treated his whole life as a joke [Crates of Thebes, by Plutarch] |
1767 | Everyone should study philosophy until they see all people in the same light [Crates of Thebes, by Diog. Laertius] |
10190 | From the axiomatic point of view, mathematics is a storehouse of abstract structures [Bourbaki] |
19000 | Read 'all ravens are black' as about ravens, not as about an implication [Belnap] |