4 ideas
19404 | Necessities rest on contradiction, and contingencies on sufficient reason [Leibniz] |
14235 | Saying 'they can become a set' is a tautology, because reference to 'they' implies a collection [Cargile] |
9916 | Convention, yes! Arbitrary, no! [Poincaré, by Putnam] |
19403 | Each of the infinite possible worlds has its own laws, and the individuals contain those laws [Leibniz] |