Combining Texts

All the ideas for 'Intention', 'Wang's Paradox' and 'works'

expand these ideas     |    start again     |     specify just one area for these texts

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4 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]

7. Existence / D. Theories of Reality / 10. Vagueness / b. Vagueness of reality

21628

To say reality itself is vague is not properly intelligible [Dummett]

10. Modality / A. Necessity / 2. Nature of Necessity

11002

Equating necessity with informal provability is the S4 conception of necessity [Lewis,CI, by Read]

20. Action / B. Preliminaries of Action / 1. Intention to Act / a. Nature of intentions

20041

Intentional actions are those which are explained by giving the reason for so acting [Anscombe]