4 ideas
17743 | De Morgan introduced a 'universe of discourse', to replace Boole's universe of 'all things' [De Morgan, by Walicki] |
15938 | Platonists ruin infinity, which is precisely a growing structure which is never completed [Dummett] |
15939 | For intuitionists it is constructed proofs (which take time) which make statements true [Dummett] |
18284 | Particulars can be verified or falsified, but general statements can only be falsified (conclusively) [Popper] |