9 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] |
18439 | Because things can share attributes, we cannot individuate attributes clearly [Quine] |
18442 | You only know an attribute if you know what things have it [Quine] |
18441 | No entity without identity (which requires a principle of individuation) [Quine] |
18440 | Identity of physical objects is just being coextensive [Quine] |
4316 | Either all action is rational, or reason dominates, or reason is only concerned with means [Cottingham] |