Combining Philosophers

All the ideas for H.Putnam/P.Oppenheim, Peter Forrest and Koen Vervloesem

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4 ideas

3. Truth / B. Truthmakers / 3. Truthmaker Maximalism

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The truth-maker principle is that every truth has a sufficient truth-maker [Forrest]

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

15380

Barcan:nothing comes into existence; Converse:nothing goes out; Both:domain is unchanging [Vervloesem]

10. Modality / E. Possible worlds / 2. Nature of Possible Worlds / a. Nature of possible worlds

15432

Structural universals might serve as possible worlds [Forrest, by Lewis]

14. Science / D. Explanation / 2. Types of Explanation / j. Explanations by reduction

20653

Six reduction levels: groups, lives, cells, molecules, atoms, particles [Putnam/Oppenheim, by Watson]