Combining Philosophers

All the ideas for H.Putnam/P.Oppenheim, Paolo Mancosu and Ralph Waldo Emerson

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3 ideas

2. Reason / A. Nature of Reason / 9. Limits of Reason

6558	A foolish consistency is the hobgoblin of little minds [Emerson]

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

13166

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

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]