5 ideas
9390 | Logic guides thinking, but it isn't a substitute for it [Rumfitt] |
13197 | The notion of substance is one of the keys to true philosophy [Leibniz] |
9389 | Vague membership of sets is possible if the set is defined by its concept, not its members [Rumfitt] |
22511 | Some reasonings are stronger than we are [Philolaus] |
13198 | Gravity is within matter because of its structure, and it can be explained. [Leibniz] |