4 ideas
| 22363 | You have only begun to do real science when you can express it in numbers [Kelvin] |
| 17722 | The concept 'red' is tied to what actually individuates red things [Peacocke] |
| 6581 | Hume thought (unlike Locke) that property is a merely conventional relationship [Hume, by Fogelin] |
| 20644 | Energy has progressed from a mere formula, to a principle pervading all nature [Kelvin] |