3 ideas
20653 | Six reduction levels: groups, lives, cells, molecules, atoms, particles [Putnam/Oppenheim, by Watson] |
3031 | The greatest good is not the achievement of desire, but to desire what is proper [Menedemus, by Diog. Laertius] |
18202 | The concept of a field gradually replaced the substances in explaining relations between charges [Einstein/Infeld] |