Combining Philosophers

All the ideas for William S. Jevons, Giles of Orleans and Jacob Zabarella

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4 ideas

6. Mathematics / C. Sources of Mathematics / 6. Logicism / a. Early logicism

8628	I hold that algebra and number are developments of logic [Jevons]

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]

12. Knowledge Sources / B. Perception / 2. Qualities in Perception / d. Secondary qualities

16721

Changes in secondary qualities are caused by changes in primary qualities [Giles of Orleans]

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

16571

Prime matter is exceptionally obscure [Zabarella]