4 ideas
21461 | I tried to be unsystematic and piecemeal, but failed; my papers presuppose my other views [Lewis] |
17743 | De Morgan introduced a 'universe of discourse', to replace Boole's universe of 'all things' [De Morgan, by Walicki] |
12714 | The substantial form is the principle of action or the primitive force of acting [Leibniz] |
12743 | A true being must (unlike a chain) have united parts, with a substantial form as its subject [Leibniz] |