Combining Texts

All the ideas for 'Purifications (frags)', 'On the Frame of Reference' and 'The Evolution of Physics'

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

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2 ideas

5. Theory of Logic / G. Quantification / 4. Substitutional Quantification

10009

Substitutional quantification is just a variant of Tarski's account [Wallace, by Baldwin]

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]