Combining Philosophers

All the ideas for H.Putnam/P.Oppenheim, Archimedes and Michael della Rocca

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3 ideas

6. Mathematics / B. Foundations for Mathematics / 3. Axioms for Geometry

13007

Archimedes defined a straight line as the shortest distance between two points [Archimedes, by Leibniz]

9. Objects / D. Essence of Objects / 7. Essence and Necessity / a. Essence as necessary properties

14380

The distinction between necessary and essential properties can be ignored [Rocca]

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]