4 ideas
15049 | Metaphysical realists are committed to all unambiguous statements being true or not true [Dummett] |
13165 | Geometrical proofs do not show causes, as when we prove a triangle contains two right angles [Proclus] |
9569 | The origin of geometry started in sensation, then moved to calculation, and then to reason [Proclus] |
6011 | There is a remote first god (the Good), and a second god who organises the material world [Numenius, by O'Meara] |