Combining Texts

All the ideas for 'Letters to Paul Pellison-Fontinier', 'A Completeness Theorem in Modal Logic' and 'Remembrance of Things Past'

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7 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 / B. Mechanics of Thought / 3. Modularity of Mind

7845	When we need to do something, we depute an inner servant to remind us of it [Proust]

27. Natural Reality / A. Classical Physics / 1. Mechanics / c. Forces

12719

Clearly, force is that from which action follows, when unimpeded [Leibniz]

27. Natural Reality / D. Time / 1. Nature of Time / i. Denying time

12720

Time doesn't exist, since its parts don't coexist [Leibniz]