Combining Texts

All the ideas for 'Subjectivist's Guide to Objective Chance', '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]

5. Theory of Logic / D. Assumptions for Logic / 2. Excluded Middle

7334	Anti-realism needs an intuitionist logic with no law of excluded middle [Dummett, by Miller,A]

7. Existence / D. Theories of Reality / 4. Anti-realism

3303	For anti-realists there are no natural distinctions between objects [Dummett, by Benardete,JA]

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

11002

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

26. Natural Theory / D. Laws of Nature / 4. Regularities / b. Best system theory

9425	Lewis later proposed the axioms at the intersection of the best theories (which may be few) [Mumford on Lewis]