4 ideas
17743 | De Morgan introduced a 'universe of discourse', to replace Boole's universe of 'all things' [De Morgan, by Walicki] |
3534 | To be is to have causal powers [Alexander,S] |
3398 | Epiphenomenalism makes the mind totally pointless [Alexander,S] |
20698 | Irenaeus says evil is necessary for perfect human development [Irenaeus, by Davies,B] |