Combining Philosophers

All the ideas for H.Putnam/P.Oppenheim, Carl Friedrich Gauss and Roger Bacon

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3 ideas

6. Mathematics / A. Nature of Mathematics / 5. The Infinite / d. Actual infinite

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Actual infinities are not allowed in mathematics - only limits which may increase without bound [Gauss]

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]

26. Natural Theory / D. Laws of Nature / 8. Scientific Essentialism / d. Knowing essences

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No one even knows the nature and properties of a fly - why it has that colour, or so many feet [Bacon,R]