Combining Texts

All the ideas for 'fragments/reports', 'Epistemology Externalized' and 'A Completeness Theorem in Modal Logic'

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9 ideas

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]

18. Thought / C. Content / 6. Broad Content

8872	It is widely supposed that externalism cannot be reconciled with first-person authority [Davidson]

8874	It is hard to interpret a speaker's actions if we take a broad view of the content [Davidson]

25. Social Practice / E. Policies / 5. Education / b. Education principles

13304

Learned men gain more in one day than others do in a lifetime [Posidonius]

26. Natural Theory / B. Natural Kinds / 5. Reference to Natural Kinds

8873	The cause of a usage determines meaning, but why is the microstructure of water relevant? [Davidson]

27. Natural Reality / D. Time / 1. Nature of Time / d. Time as measure

20820

Time is an interval of motion, or the measure of speed [Posidonius, by Stobaeus]