5 ideas
17962 | The truth-maker principle is that every truth has a sufficient truth-maker [Forrest] |
8920 | Equivalence relations are reflexive, symmetric and transitive, and classify similar objects [Lipschutz] |
594 | Speusippus suggested underlying principles for every substance, and ended with a huge list [Speussipus, by Aristotle] |
15432 | Structural universals might serve as possible worlds [Forrest, by Lewis] |
2632 | Speusippus said things were governed by some animal force rather than the gods [Speussipus, by Cicero] |