Combining Texts

All the ideas for 'Symposium', 'works' and 'Letters to the Lord Marquis of Newcastle'

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5 ideas

4. Formal Logic / D. Modal Logic ML / 3. Modal Logic Systems / h. System S5
7791 The simplest of the logics based on possible worlds is Lewis's S5 [Lewis,CI, by Girle]
10. Modality / A. Necessity / 2. Nature of Necessity
11002 Equating necessity with informal provability is the S4 conception of necessity [Lewis,CI, by Read]
16. Persons / F. Free Will / 5. Against Free Will
2384 Those actions that follow immediately the last appetite are voluntary [Hobbes]
2385 If a man suddenly develops an intention of doing something, the cause is out of his control, not in his will [Hobbes]
22. Metaethics / B. Value / 2. Values / h. Fine deeds
5845 Niceratus learnt the whole of Homer by heart, as a guide to goodness [Xenophon]