Combining Philosophers

All the ideas for H.Putnam/P.Oppenheim, Carl Friedrich Gauss and David Galloway

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

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3 ideas

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

10855

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

11. Knowledge Aims / C. Knowing Reality / 1. Perceptual Realism / b. Direct realism

8417	Direct realism is false, because defeasibility questions are essential to perceptual knowledge [Galloway]

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]