Combining Texts

All the ideas for 'On Motion', 'The Epistemology of Modality' and 'A Note on the entscheidungsproblem'

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3 ideas

5. Theory of Logic / K. Features of Logics / 7. Decidability

18758

Validity is provable, but invalidity isn't, because the model is infinite [Church, by McGee]

10. Modality / D. Knowledge of Modality / 4. Conceivable as Possible / a. Conceivable as possible

19440

How do you know you have conceived a thing deeply enough to assess its possibility? [Vaidya]

27. Natural Reality / B. Modern Physics / 1. Relativity / a. Special relativity

12709

Motion is not absolute, but consists in relation [Leibniz]