5 ideas
| 8463 | Maths can be reduced to logic and set theory [Quine] |
| 8461 | The category of objects incorporates the old distinction of substances and their modes [Quine] |
| 16629 | By comparing qualities and features, reason can gradually infer the nature of substance [Grosseteste] |
| 4577 | There is no necessity higher than natural necessity, and that is just regularity [Quine] |
| 8462 | A hallucination can, like an ague, be identified with its host; the ontology is physical, the idiom mental [Quine] |