4 ideas
15380 | Barcan:nothing comes into existence; Converse:nothing goes out; Both:domain is unchanging [Vervloesem] |
12887 | A whole must have one characteristic, an internal relation, and a structure [Rescher/Oppenheim] |
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] |