5 ideas
594 | Speusippus suggested underlying principles for every substance, and ended with a huge list [Speussipus, by Aristotle] |
14797 | Vagueness is a neglected but important part of mathematical thought [Peirce] |
14798 | All communication is vague, and is outside the principle of non-contradiction [Peirce] |
16745 | No one even knows the nature and properties of a fly - why it has that colour, or so many feet [Bacon,R] |
2632 | Speusippus said things were governed by some animal force rather than the gods [Speussipus, by Cicero] |