5 ideas
15927 | Definition just needs negation, known variables, conjunction, disjunction, substitution and quantification [Weyl, by Lavine] |
16974 | The nature of each logical concept is given by a collection of inference rules [Correia] |
16973 | Explain logical necessity by logical consequence, or the other way around? [Correia] |
10246 | The limit of science is isomorphism of theories, with essences a matter of indifference [Weyl] |
7482 | Resurrection developed in Judaism as a response to martyrdoms, in about 160 BCE [Anon (Dan), by Watson] |