Combining Texts

All the ideas for 'Necessary Existents', 'Rules for the Direction of the Mind' and 'The Evolution of Physics'

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

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3 ideas

11. Knowledge Aims / B. Certain Knowledge / 1. Certainty

9807	In pursuing truth, anything less certain than mathematics is a waste of time [Descartes]

19. Language / D. Propositions / 3. Concrete Propositions

19216

Propositions (such as 'that dog is barking') only exist if their items exist [Williamson]

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]