4 ideas
9390 | Logic guides thinking, but it isn't a substitute for it [Rumfitt] |
9389 | Vague membership of sets is possible if the set is defined by its concept, not its members [Rumfitt] |
490 | Everything happens by reason and necessity [Leucippus] |
22200 | If you eliminate the impossible, the truth will remain, even if it is weird [Conan Doyle] |