10 ideas
| 8463 | Maths can be reduced to logic and set theory [Quine] |
| 16664 | Everything that exists is either a substance or an accident [Albert of Saxony] |
| 8461 | The category of objects incorporates the old distinction of substances and their modes [Quine] |
| 16703 | God could make a successive thing so that previous parts cease to exist [Albert of Saxony] |
| 16699 | Successive entities just need parts to succeed one another, without their existence [Albert of Saxony] |
| 8462 | A hallucination can, like an ague, be identified with its host; the ontology is physical, the idiom mental [Quine] |
| 1554 | Contradiction is impossible, since only one side of the argument refers to the true facts [Prodicus, by Didymus the Blind] |
| 1555 | People used to think anything helpful to life was a god, as the Egyptians think the Nile a god [Prodicus] |
| 535 | The gods are just personified human benefits [Prodicus] |
| 1543 | He denied the existence of the gods, saying they are just exaltations of things useful for life [Prodicus] |