6 ideas
| 21558 | 'Predicative' norms are those which define a class [Russell] |
| 21559 | We need rules for deciding which norms are predicative (unless none of them are) [Russell] |
| 13304 | Learned men gain more in one day than others do in a lifetime [Posidonius] |
| 12719 | Clearly, force is that from which action follows, when unimpeded [Leibniz] |
| 20820 | Time is an interval of motion, or the measure of speed [Posidonius, by Stobaeus] |
| 12720 | Time doesn't exist, since its parts don't coexist [Leibniz] |