6 ideas
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] |
22315 | There can't be a negative of a complex, which is negated by its non-existence [Potter on Russell] |
16383 | Puzzled Pierre has two mental files about the same object [Recanati on Kripke] |
16745 | No one even knows the nature and properties of a fly - why it has that colour, or so many feet [Bacon,R] |