8 ideas
18261 | A simplification which is complete constitutes a definition [Kant] |
21563 | The 'no classes' theory says the propositions just refer to the members [Russell] |
22275 | Logic gives us the necessary rules which show us how we ought to think [Kant] |
21565 | Richard's puzzle uses the notion of 'definition' - but that cannot be defined [Russell] |
21564 | Vicious Circle: what involves ALL must not be one of those ALL [Russell] |
18119 | Mathematics is a mental activity which does not use language [Brouwer, by Bostock] |
18118 | Brouwer regards the application of mathematics to the world as somehow 'wicked' [Brouwer, by Bostock] |
18260 | If we knew what we know, we would be astonished [Kant] |