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Ideas for 'From an Ontological Point of View', 'Foundations of Two-Dimensional Semantics' and 'Intro to 'Philosophy of Logic''

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2 ideas

4. Formal Logic / D. Modal Logic ML / 3. Modal Logic Systems / a. Systems of modal logic

9456	Modal logic is multiple systems, shown in the variety of accessibility relations between worlds [Jacquette]

4. Formal Logic / F. Set Theory ST / 8. Critique of Set Theory

7035	God does not create the world, and then add the classes [Heil]