4 ideas
14248 | We could accept the integers as primitive, then use sets to construct the rest [Cohen] |
604 | Knowledge is mind and knowing 'cohabiting' [Lycophron, 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] |