6 ideas
10196 | The Axiom of Choice needs a criterion of choice [Black] |
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] |
6493 | We are not conscious of pure liquidity, but of the liquidity of water [Firth] |
19000 | Read 'all ravens are black' as about ravens, not as about an implication [Belnap] |