4 ideas
17751 | Gödel proved the completeness of first order predicate logic in 1930 [Gödel, by Walicki] |
15941 | For intuitionists excluded middle is an outdated historical convention [Brouwer] |
18247 | Brouwer saw reals as potential, not actual, and produced by a rule, or a choice [Brouwer, by Shapiro] |
4242 | Pure supervenience explains nothing, and is a sign of something fundamental we don't know [Nagel] |