4 ideas
13166 | Essences are no use in mathematics, if all mathematical truths are necessary [Mancosu] |
22745 | Pherecydes said the first principle and element is earth [Pherecydes, by Sext.Empiricus] |
16746 | Principles of things are not hidden features of forms, but the laws by which they were formed [Newton] |
5883 | Pherecydes was the first to say that the soul is eternal [Pherecydes, by Cicero] |