5 ideas
21552 | Common speech is vague; its vocabulary and syntax must be modified, for precision [Russell] |
21551 | Empirical words need ostensive definition, which makes them egocentric [Russell] |
17743 | De Morgan introduced a 'universe of discourse', to replace Boole's universe of 'all things' [De Morgan, by Walicki] |
21550 | Science reduces indexicals to a minimum, but they can never be eliminated from empirical matters [Russell] |
20723 | Only when working people are poor do they remain obedient to God [Calvin, by Weber] |