Combining Philosophers

All the ideas for H.Putnam/P.Oppenheim, Bob Hale/ Aviv Hoffmann and Paolo Mancosu

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3 ideas

9. Objects / D. Essence of Objects / 7. Essence and Necessity / b. Essence not necessities

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Essences are no use in mathematics, if all mathematical truths are necessary [Mancosu]

10. Modality / A. Necessity / 1. Types of Modality

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Maybe modal thought is unavoidable, as a priori recognition of necessary truth-preservation in reasoning [Hale/Hoffmann,A]

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

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