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] |
| 8462 | A hallucination can, like an ague, be identified with its host; the ontology is physical, the idiom mental [Quine] |
| 468 | Musical performance can reveal a range of virtues [Damon of Ath.] |
| 19376 | A machine is best defined by its final cause, which explains the roles of the parts [Leibniz] |