5 ideas
17743 | De Morgan introduced a 'universe of discourse', to replace Boole's universe of 'all things' [De Morgan, by Walicki] |
16659 | Relations do not add anything to reality, though they are real aspects of the world [Olivi] |
16673 | Quantity just adds union and location to the extension of parts [Olivi] |
7453 | Galen's medicine followed the mean; each illness was balanced by opposite treatment [Galen, by Hacking] |
16663 | Things are limited by the species to certain modes of being [Olivi] |