4 ideas
| 594 | Speusippus suggested underlying principles for every substance, and ended with a huge list [Speussipus, by Aristotle] |
| 9425 | Lewis later proposed the axioms at the intersection of the best theories (which may be few) [Mumford on Lewis] |
| 17009 | I won't object if someone shows that gravity consistently arises from the action of matter [Newton] |
| 2632 | Speusippus said things were governed by some animal force rather than the gods [Speussipus, by Cicero] |