Combining Philosophers

All the ideas for H.Putnam/P.Oppenheim, Jacob Zabarella and Metrodorus (Chi)

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

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4 ideas

7. Existence / A. Nature of Existence / 6. Criterion for Existence

527	Everything exists which anyone perceives [Metrodorus of Chios]

8. Modes of Existence / C. Powers and Dispositions / 3. Powers as Derived

16740

A power is not a cause, but an aptitude for a cause [Zabarella]

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]

26. Natural Theory / A. Speculations on Nature / 6. Early Matter Theories / b. Prime matter

16571

Prime matter is exceptionally obscure [Zabarella]