5 ideas
13007 | Archimedes defined a straight line as the shortest distance between two points [Archimedes, by Leibniz] |
9141 | Abstraction theories build mathematics out of second-order equivalence principles [Cook/Ebert] |
1477 | Being manly and brave is the result of convention, not of human nature [Plutarch] |
1478 | Animals don't value pleasure, as they cease sexual intercourse after impregnation [Plutarch] |
1479 | Animals have not been led into homosexuality, because they value pleasure very little [Plutarch] |