5 ideas
8074 | There is a five shilling fine for each point of divergence from the thinking of Aristotle [Oxford Univ 1350] |
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] |
10245 | One geometry cannot be more true than another [Poincaré] |