Combining Texts

All the ideas for 'fragments/reports', 'Psychophysical supervenience' and 'Principles of Theoretical Logic'

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3 ideas

4. Formal Logic / C. Predicate Calculus PC / 1. Predicate Calculus PC

17750

The first clear proof of the consistency of the first order predicate logic was in 1928 [Hilbert/Ackermann, by Walicki]

8. Modes of Existence / B. Properties / 4. Intrinsic Properties

15456

Extrinsic properties, unlike intrinsics, imply the existence of a separate object [Kim, by Lewis]

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

490	Everything happens by reason and necessity [Leucippus]