Combining Texts

All the ideas for 'reports', 'The Evolution of Physics' and 'Classes and Attributes'

expand these ideas     |    start again     |     specify just one area for these texts

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3 ideas

8. Modes of Existence / B. Properties / 11. Properties as Sets

9783	While no two classes coincide in membership, there are distinct but coextensive attributes [Cartwright,R]

10. Modality / A. Necessity / 8. Transcendental Necessity

3016	Even the gods cannot strive against necessity [Pittacus, by Diog. Laertius]

27. Natural Reality / B. Modern Physics / 2. Electrodynamics / b. Fields

18202

The concept of a field gradually replaced the substances in explaining relations between charges [Einstein/Infeld]