Combining Texts

All the ideas for 'fragments/reports', 'The Value Problem' and 'A Completeness Theorem in Modal Logic'

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8 ideas

1. Philosophy / A. Wisdom / 1. Nature of Wisdom

19735

Wisdom has a higher value than understanding, which has a higher value than knowledge [Greco]

1. Philosophy / D. Nature of Philosophy / 3. Philosophy Defined

23367

Even pointing a finger should only be done for a reason [Epictetus]

4. Formal Logic / D. Modal Logic ML / 1. Modal Logic

10163

Propositional modal logic has been proved to be complete [Kripke, by Feferman/Feferman]

4. Formal Logic / D. Modal Logic ML / 3. Modal Logic Systems / a. Systems of modal logic

10760

With possible worlds, S4 and S5 are sound and complete, but S1-S3 are not even sound [Kripke, by Rossberg]

4. Formal Logic / D. Modal Logic ML / 7. Barcan Formula

16189

The variable domain approach to quantified modal logic invalidates the Barcan Formula [Kripke, by Simchen]

15132

The Barcan formulas fail in models with varying domains [Kripke, by Williamson]

13. Knowledge Criteria / A. Justification Problems / 1. Justification / b. Need for justification

19734

If value is practical, knowledge is no better than true opinion [Greco]

13. Knowledge Criteria / C. External Justification / 10. Anti External Justification

19733

Externalist theories don't explain why knowledge has value [Greco]