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] |
467 | A virtue is a combination of intelligence, strength and luck [Ion] |
22456 | Maybe virtues conflict with each other, if some virtue needs a vice for its achievement [Foot] |