4 ideas
| 20921 | How can we state relativism of sweet and sour, if they have no determinate nature? [Theophrastus] |
| 5990 | Theophrastus doubted whether nature could be explained teleologically [Theophrastus, by Gottschalk] |
| 1497 | For Anaximenes nature is air, which takes different forms by rarefaction and condensation [Anaximenes, by Simplicius] |
| 18202 | The concept of a field gradually replaced the substances in explaining relations between charges [Einstein/Infeld] |