6 ideas
6409 | The 'simple theory of types' distinguishes levels among properties [Ramsey, by Grayling] |
21559 | We need rules for deciding which norms are predicative (unless none of them are) [Russell] |
21558 | 'Predicative' norms are those which define a class [Russell] |
3212 | Beliefs are maps by which we steer [Ramsey] |
13304 | Learned men gain more in one day than others do in a lifetime [Posidonius] |
20820 | Time is an interval of motion, or the measure of speed [Posidonius, by Stobaeus] |