Combining Philosophers

All the ideas for H.Putnam/P.Oppenheim, Stuart Hampshire and Saunders MacLane

expand these ideas     |    start again     |     specify just one area for these philosophers

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3 ideas

4. Formal Logic / F. Set Theory ST / 4. Axioms for Sets / a. Axioms for sets

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ZFC could contain a contradiction, and it can never prove its own consistency [MacLane]

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]

22. Metaethics / A. Ethics Foundations / 1. Nature of Ethics / g. Moral responsibility

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A man is a responsible agent to the extent he has an intention, and knows what he is doing [Hampshire]