Combining Texts

All the ideas for 'fragments/reports', 'Occasions of Identity' 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]

9. Objects / B. Unity of Objects / 3. Unity Problems / b. Cat and its tail

13437

A CAR and its major PART can become identical, yet seem to have different properties [Gallois]

9. Objects / E. Objects over Time / 1. Objects over Time

16233

Gallois hoped to clarify identity through time, but seems to make talk of it impossible [Hawley on Gallois]

9. Objects / F. Identity among Objects / 3. Relative Identity

14755

Gallois is committed to identity with respect to times, and denial of simple identity [Gallois, by Sider]

9. Objects / F. Identity among Objects / 6. Identity between Objects

16231

Occasional Identity: two objects can be identical at one time, and different at others [Gallois, by Hawley]

23. Ethics / A. Egoism / 1. Ethical Egoism

3031	The greatest good is not the achievement of desire, but to desire what is proper [Menedemus, by Diog. Laertius]