11 ideas
| 8378 | Philosophers usually learn science from each other, not from science [Russell] |
| 9355 | One sort of circularity presupposes a premise, the other presupposes a rule being used [Braithwaite, by Devitt] |
| 16901 | The equivalent algebra model of geometry loses some essential spatial meaning [Burge] |
| 16902 | Peano arithmetic requires grasping 0 as a primitive number [Burge] |
| 8375 | 'Necessary' is a predicate of a propositional function, saying it is true for all values of its argument [Russell] |
| 16892 | Is apriority predicated mainly of truths and proofs, or of human cognition? [Burge] |
| 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] |