6 ideas
10196 | The Axiom of Choice needs a criterion of choice [Black] |
10800 | The values of variables can't determine existence, because they are just expressions [Ryle, by Quine] |
10194 | Two things can only be distinguished by a distinct property or a distinct relation [Black] |
10193 | The 'property' of self-identity is uselessly tautological [Black] |
10195 | If the universe just held two indiscernibles spheres, that refutes the Identity of Indiscernibles [Black] |
19087 | The meaning or purport of a symbol is all the rational conduct it would lead to [Peirce] |