4 ideas
17743 | De Morgan introduced a 'universe of discourse', to replace Boole's universe of 'all things' [De Morgan, by Walicki] |
22022 | Beauty motivates morality, by harmonising feeling and reason [Schiller, by Pinkard] |
7675 | Schiller speaks obsessively of freedom throughout his works [Schiller, by Berlin] |
19399 | Prime matter is nothing when it is at rest [Leibniz] |