6 ideas
| 18946 | Unreflectively, we all assume there are nonexistents, and we can refer to them [Reimer] |
| 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] |
| 22363 | You have only begun to do real science when you can express it in numbers [Kelvin] |
| 8462 | A hallucination can, like an ague, be identified with its host; the ontology is physical, the idiom mental [Quine] |
| 20644 | Energy has progressed from a mere formula, to a principle pervading all nature [Kelvin] |