Combining Texts

All the ideas for 'Aristotle and Descartes on Matter', 'On Providence' and 'Principles of Theoretical Logic'

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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]

22. Metaethics / C. The Good / 2. Happiness / a. Nature of happiness

13550

To be always happy is to lack knowledge of one half of nature [Seneca]

23. Ethics / C. Virtue Theory / 4. External Goods / a. External goods

13549

Nothing bad can happen to a good man [Seneca]

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

19399

Prime matter is nothing when it is at rest [Leibniz]

27. Natural Reality / A. Classical Physics / 1. Mechanics / c. Forces

13548

The ocean changes in volume in proportion to the attraction of the moon [Seneca]