Combining Texts

All the ideas for 'fragments/reports', 'Principles of Theoretical Logic' and 'A Realistic Theory of Categories'

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

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3 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]

7. Existence / E. Categories / 3. Proposed Categories

13120

Chisholm divides things into contingent and necessary, and then individuals, states and non-states [Chisholm, by Westerhoff]

23. Ethics / C. Virtue Theory / 1. Virtue Theory / a. Nature of virtue

467	A virtue is a combination of intelligence, strength and luck [Ion]