Combining Texts

All the ideas for 'Induction', 'A World of Propensities' 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 / C. Powers and Dispositions / 7. Against Powers

11946

Propensities are part of a situation, not part of the objects [Popper]

13. Knowledge Criteria / C. External Justification / 8. Social Justification

8800	If you would deny a truth if you know the full evidence, then knowledge has social aspects [Harman, by Sosa]