Combining Texts

All the ideas for 'Symposium', 'Definitiones cogitationesque metaphysicae' and 'Completeness of Axioms of Logic'

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

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4 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 / B. Unity of Objects / 2. Substance / d. Substance defined

12712

Substance is that which can act [Leibniz]

14. Science / D. Explanation / 3. Best Explanation / b. Ultimate explanation

12737

Nature can be fully explained by final causes alone, or by efficient causes alone [Leibniz]

22. Metaethics / B. Value / 2. Values / h. Fine deeds

5845	Niceratus learnt the whole of Homer by heart, as a guide to goodness [Xenophon]