Combining Texts

All the ideas for 'fragments/reports', 'Among the Dead Cities' and 'Completeness of Axioms of Logic'

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5 ideas

4. Formal Logic / C. Predicate Calculus PC / 3. Completeness of PC

17751

Gödel proved the completeness of first order predicate logic in 1930 [Gödel, by Walicki]

9. Objects / E. Objects over Time / 8. Continuity of Rivers

579	Cratylus said you couldn't even step into the same river once [Cratylus, by Aristotle]

13. Knowledge Criteria / D. Scepticism / 1. Scepticism

578	Cratylus decided speech was hopeless, and his only expression was the movement of a finger [Cratylus, by Aristotle]

20. Action / C. Motives for Action / 5. Action Dilemmas / b. Double Effect

7293	It is legitimate to do harm if it is the unintended side-effect of an effort to achieve a good [Grayling]

25. Social Practice / E. Policies / 1. War / a. Just wars

7292	War must also have a good chance of success, and be waged with moderation [Grayling]