Combining Philosophers

All the ideas for H.Putnam/P.Oppenheim, Anon (Kings) and Michael Esfeld

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3 ideas

6. Mathematics / A. Nature of Mathematics / 3. Nature of Numbers / n. Pi

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He made a molten sea, which was ten cubits across, and thirty cubits round the edge [Anon (Kings)]

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]

27. Natural Reality / D. Time / 2. Passage of Time / g. Time's arrow

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Causation is the power of one property to produce another, and this gives time its direction [Esfeld]