Combining Texts

All the ideas for 'fragments/reports', 'Lysis' and 'Completeness of Axioms of Logic'

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

---

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]

22. Metaethics / C. The Good / 1. Goodness / a. Form of the Good

295	The good is beautiful [Plato]

23. Ethics / C. Virtue Theory / 4. External Goods / d. Friendship

294	People say that friendship exists only between good men [Plato]

26. Natural Theory / A. Speculations on Nature / 6. Early Matter Theories / c. Ultimate substances

22745

Pherecydes said the first principle and element is earth [Pherecydes, by Sext.Empiricus]

29. Religion / D. Religious Issues / 2. Immortality / a. Immortality

5883	Pherecydes was the first to say that the soul is eternal [Pherecydes, by Cicero]