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] |
12185 | Logical necessity is epistemic necessity, which is the old notion of a priori [Edgington, by McFetridge] |
5495 | Instances of pain are physical tokens, but the nature of pain is more abstract [Putnam, by Lycan] |