8 ideas
6851 | We overvalue whether arguments are valid, and undervalue whether they are interesting [Monk] |
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] |
6408 | Russell needed three extra axioms to reduce maths to logic: infinity, choice and reducibility [Grayling] |
22315 | There can't be a negative of a complex, which is negated by its non-existence [Potter on Russell] |
6414 | Two propositions might seem self-evident, but contradict one another [Grayling] |
6850 | Wittgenstein pared his life down in his search for decency [Monk] |