4 ideas
9463 | Classical logic is bivalent, has excluded middle, and only quantifies over existent objects [Jacquette] |
16635 | Incorporeal substances are powers or forces [Descartes, by Pasnau] |
5845 | Niceratus learnt the whole of Homer by heart, as a guide to goodness [Xenophon] |
16684 | Impenetrability only belongs to the essence of extension [Descartes] |