5 ideas
21563 | The 'no classes' theory says the propositions just refer to the members [Russell] |
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] |
6019 | If someone squashed a horse to make a dog, something new would now exist [Mnesarchus] |
19399 | Prime matter is nothing when it is at rest [Leibniz] |