Combining Texts

All the ideas for 'Letter to G.H. Schaller', 'works' and 'works'

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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
4871 A thing is free if it acts only by the necessity of its own nature [Spinoza]
17. Mind and Body / B. Behaviourism / 3. Intentional Stance
3161 If mind is just an explanation, the explainer must have beliefs [Rey on Dennett]
18. Thought / A. Modes of Thought / 4. Folk Psychology
3177 You couldn't drive a car without folk psychology [Dennett]