6 ideas
| 18261 | A simplification which is complete constitutes a definition [Kant] |
| 22275 | Logic gives us the necessary rules which show us how we ought to think [Kant] |
| 594 | Speusippus suggested underlying principles for every substance, and ended with a huge list [Speussipus, by Aristotle] |
| 19440 | How do you know you have conceived a thing deeply enough to assess its possibility? [Vaidya] |
| 18260 | If we knew what we know, we would be astonished [Kant] |
| 2632 | Speusippus said things were governed by some animal force rather than the gods [Speussipus, by Cicero] |