4 ideas
19216 | Propositions (such as 'that dog is barking') only exist if their items exist [Williamson] |
3032 | I can form no notion of what the good is [Amphis] |
20645 | Heat is a state of vibration, not a substance [Joule] |
20972 | Joule showed that energy converts to heat, and heat to energy [Joule, by Papineau] |