3 ideas
17743 | De Morgan introduced a 'universe of discourse', to replace Boole's universe of 'all things' [De Morgan, by Walicki] |
16157 | Insurance on the original ship would hardly be paid out if the plank version was wrecked! [Frede,M] |
17613 | We should judge principles by the science, not science by some fixed principles [Zermelo] |