4 ideas
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] |
3016 | Even the gods cannot strive against necessity [Pittacus, by Diog. Laertius] |
19414 | Men are related to animals, which are related to plants, then to fossils, and then to the apparently inert [Leibniz] |