6 ideas
8463 | Maths can be reduced to logic and set theory [Quine] |
18465 | An 'equivalence' relation is one which is reflexive, symmetric and transitive [Kunen] |
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] |
1748 | Archelaus was the first person to say that the universe is boundless [Archelaus, by Diog. Laertius] |
5989 | Archelaus said life began in a primeval slime [Archelaus, by Schofield] |