5 ideas
10190 | From the axiomatic point of view, mathematics is a storehouse of abstract structures [Bourbaki] |
13165 | Geometrical proofs do not show causes, as when we prove a triangle contains two right angles [Proclus] |
5987 | Alcmaeon was the first to say the brain is central to thinking [Alcmaeon, by Staden, von] |
9569 | The origin of geometry started in sensation, then moved to calculation, and then to reason [Proclus] |
24043 | Soul must be immortal, since it continually moves, like the heavens [Alcmaeon, by Aristotle] |