6 ideas
16974 | The nature of each logical concept is given by a collection of inference rules [Correia] |
579 | Cratylus said you couldn't even step into the same river once [Cratylus, by Aristotle] |
16973 | Explain logical necessity by logical consequence, or the other way around? [Correia] |
578 | Cratylus decided speech was hopeless, and his only expression was the movement of a finger [Cratylus, by Aristotle] |
22745 | Pherecydes said the first principle and element is earth [Pherecydes, by Sext.Empiricus] |
5883 | Pherecydes was the first to say that the soul is eternal [Pherecydes, by Cicero] |