6 ideas
21757 | Philosophy is the conceptual essence of the shape of history [Hegel] |
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] |
14303 | Truth-functional conditionals have a simple falsification, when A is true and B is false [Peirce] |