6 ideas
17744 | De Morgan started the study of relations and their properties [De Morgan, by Walicki] |
13501 | De Morgan found inferences involving relations, which eluded Aristotle's syllogistic [De Morgan, by Hart,WD] |
17743 | De Morgan introduced a 'universe of discourse', to replace Boole's universe of 'all things' [De Morgan, by Walicki] |
22352 | Out of more than a hundred planets, Earth is the only one with the idea of free will [Vonnegut] |
20761 | If existence is absurd it can never have a meaning [Beauvoir] |
20746 | One is not born, but rather becomes a woman [Beauvoir] |