5 ideas
10558 | Abstract objects are actually constituted by the properties by which we conceive them [Zalta] |
13191 | The properties of a thing flow from its essence [Leibniz] |
10557 | Abstract objects are captured by second-order modal logic, plus 'encoding' formulas [Zalta] |
20972 | Joule showed that energy converts to heat, and heat to energy [Joule, by Papineau] |
20645 | Heat is a state of vibration, not a substance [Joule] |