7 ideas
11074 | 'It is true that this follows' means simply: this follows [Wittgenstein] |
23476 | Logical constants seem to be entities in propositions, but are actually pure form [Russell] |
23477 | We use logical notions, so they must be objects - but I don't know what they really are [Russell] |
18273 | Logical truths are known by their extreme generality [Russell] |
11073 | Two and one making three has the necessity of logical inference [Wittgenstein] |
22315 | There can't be a negative of a complex, which is negated by its non-existence [Potter on Russell] |
14349 | If there are no finks or antidotes at the fundamental level, the laws can't be ceteris paribus [Burge, by Corry] |