Combining Texts

Ideas for 'The Evolution of Modern Metaphysics', 'Introduction: Truth and Truth-Making' and 'Modal Logic within Counterfactual Logic'

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2 ideas

4. Formal Logic / D. Modal Logic ML / 3. Modal Logic Systems / h. System S5

14626

In S5 matters of possibility and necessity are non-contingent [Williamson]

4. Formal Logic / D. Modal Logic ML / 7. Barcan Formula

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Truth-maker theorists should probably reject the converse Barcan formula [Rami]