8 ideas
21855 | Only in the 1780s did it become acceptable to read Spinoza [Lord] |
9390 | Logic guides thinking, but it isn't a substitute for it [Rumfitt] |
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] |
9389 | Vague membership of sets is possible if the set is defined by its concept, not its members [Rumfitt] |
21866 | Hobbes and Spinoza use 'conatus' to denote all endeavour for advantage in nature [Lord] |