10 ideas
8378 | Philosophers usually learn science from each other, not from science [Russell] |
8375 | 'Necessary' is a predicate of a propositional function, saying it is true for all values of its argument [Russell] |
5963 | Some say emotion is a sort of reason, and others say virtue concerns emotion [Plutarch] |
13304 | Learned men gain more in one day than others do in a lifetime [Posidonius] |
4396 | The law of causality is a source of confusion, and should be dropped from philosophy [Russell] |
8376 | If causes are contiguous with events, only the last bit is relevant, or the event's timing is baffling [Russell] |
8380 | Striking a match causes its igniting, even if it sometimes doesn't work [Russell] |
8379 | In causal laws, 'events' must recur, so they have to be universals, not particulars [Russell] |
8381 | The constancy of scientific laws rests on differential equations, not on cause and effect [Russell] |
20820 | Time is an interval of motion, or the measure of speed [Posidonius, by Stobaeus] |