Combining Texts

All the ideas for 'Mahaprajnaparamitashastra', 'The Conquest of Happiness' and 'A Completeness Theorem in Modal Logic'

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10 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]

22. Metaethics / C. The Good / 2. Happiness / d. Routes to happiness

20180

A happy and joyous life must largely be a quiet life [Russell]

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

7903	The six perfections are giving, morality, patience, vigour, meditation, and wisdom [Nagarjuna]

23. Ethics / F. Existentialism / 4. Boredom

20176

Boredom is an increasingly strong motivating power [Russell]

20178

Life is now more interesting, but boredom is more frightening [Russell]

20177

Boredom always involves not being fully occupied [Russell]

20179

Happiness involves enduring boredom, and the young should be taught this [Russell]