7 ideas
21222 | Logicians presuppose a world, and ignore logic/world connections, so their logic is impure [Husserl, by Velarde-Mayol] |
21223 | Phenomenology grounds logic in subjective experience [Husserl, by Velarde-Mayol] |
21224 | Pure mathematics is the relations between all possible objects, and is thus formal ontology [Husserl, by Velarde-Mayol] |
1748 | Archelaus was the first person to say that the universe is boundless [Archelaus, by Diog. Laertius] |
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] |
5989 | Archelaus said life began in a primeval slime [Archelaus, by Schofield] |