4 ideas
9390 | Logic guides thinking, but it isn't a substitute for it [Rumfitt] |
22312 | Facts can be both positive and negative [Wittgenstein, by Potter] |
9389 | Vague membership of sets is possible if the set is defined by its concept, not its members [Rumfitt] |
4316 | Either all action is rational, or reason dominates, or reason is only concerned with means [Cottingham] |