7 ideas
7085 | The main problem of philosophy is what can and cannot be thought and expressed [Wittgenstein, by Grayling] |
23463 | Atomic facts correspond to true elementary propositions [Wittgenstein] |
4304 | Descartes says there are two substance, Spinoza one, and Leibniz infinitely many [Cottingham] |
4303 | The notion of substance lies at the heart of rationalist metaphysics [Cottingham] |
19216 | Propositions (such as 'that dog is barking') only exist if their items exist [Williamson] |
23490 | A thought is mental constituents that relate to reality as words do [Wittgenstein] |
4306 | For rationalists, it is necessary that effects be deducible from their causes [Cottingham] |