Combining Texts

All the ideas for 'Sisyphus (lost)', 'On Anger (Book 3)' and 'A Completeness Theorem in Modal Logic'

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8 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]

23. Ethics / C. Virtue Theory / 2. Elements of Virtue Theory / e. Character

13554

True greatness is never allowing events to disturb you [Seneca]

23. Ethics / C. Virtue Theory / 3. Virtues / a. Virtues

13556

Every night I critically review how I have behaved during the day [Seneca]

23. Ethics / C. Virtue Theory / 3. Virtues / b. Temperance

13552

Anger is an extreme vice, threatening sanity, and gripping whole states [Seneca]

13553

Anger is a vice which afflicts good men as well as bad [Seneca]