Combining Philosophers

All the ideas for Theophrastus, Nicole Oresme and Hilbert,D/Ackermann,W

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5 ideas

4. Formal Logic / C. Predicate Calculus PC / 1. Predicate Calculus PC

17750

The first clear proof of the consistency of the first order predicate logic was in 1928 [Hilbert/Ackermann, by Walicki]

8. Modes of Existence / B. Properties / 9. Qualities

16705

Whiteness isn't created in an alteration, because it is just this-being-white [Oresme]

9. Objects / E. Objects over Time / 6. Successive Things

16695

Successive entities are in flux, flowing in existence, with different parts at different times [Oresme]

13. Knowledge Criteria / E. Relativism / 6. Relativism Critique

20921

How can we state relativism of sweet and sour, if they have no determinate nature? [Theophrastus]

26. Natural Theory / A. Speculations on Nature / 2. Natural Purpose / c. Purpose denied

5990	Theophrastus doubted whether nature could be explained teleologically [Theophrastus, by Gottschalk]