3 ideas
12887 | A whole must have one characteristic, an internal relation, and a structure [Rescher/Oppenheim] |
1799 | If we can't know minds, we can't know if Pyrrho was a sceptic [Theodosius, by Diog. Laertius] |
18202 | The concept of a field gradually replaced the substances in explaining relations between charges [Einstein/Infeld] |