Combining Philosophers

All the ideas for Brand Blanshard, Hilbert,D/Ackermann,W and Richard Jeffrey

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5 ideas

2. Reason / A. Nature of Reason / 6. Coherence

2764	Full coherence might involve consistency and mutual entailment of all propositions [Blanshard, by Dancy,J]

3. Truth / D. Coherence Truth / 1. Coherence Truth

19080

Coherence tests for truth without implying correspondence, so truth is not correspondence [Blanshard, by Young,JO]

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]

10. Modality / E. Possible worlds / 2. Nature of Possible Worlds / b. Worlds as fictions

16285

A possible world can be seen as a complete and consistent novel [Jeffrey]

14. Science / C. Induction / 6. Bayes's Theorem

19155

Instead of gambling, Jeffrey made the objects of Bayesian preference to be propositions [Jeffrey, by Davidson]