4 ideas
10245 | One geometry cannot be more true than another [Poincaré] |
19406 | I strongly believe in the actual infinite, which indicates the perfections of its author [Leibniz] |
9052 | Vague predicates lack application; there are no borderline cases; vague F is not F [Unger, by Keefe/Smith] |
16070 | There are no objects with proper parts; there are only mereological simples [Unger, by Wasserman] |