4 ideas
17743 | De Morgan introduced a 'universe of discourse', to replace Boole's universe of 'all things' [De Morgan, by Walicki] |
12739 | If we are dreaming, it is sufficient that the events are coherent, and obey laws [Leibniz] |
12738 | Successful prediction shows proficiency in nature [Leibniz] |
14739 | 'Water' is two-dimensionally inconstant, with different intensions in different worlds [Chalmers, by Sider] |