4 ideas
17743 | De Morgan introduced a 'universe of discourse', to replace Boole's universe of 'all things' [De Morgan, by Walicki] |
541 | Virtue comes more from habit than character [Critias] |
18202 | The concept of a field gradually replaced the substances in explaining relations between charges [Einstein/Infeld] |
542 | Fear of the gods was invented to discourage secret sin [Critias] |