Combining Texts

All the ideas for 'Lysis', 'Foundations of Geometry' and 'Commentary on the Sentences'

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

---

5 ideas

5. Theory of Logic / C. Ontology of Logic / 3. If-Thenism

10053

Geometrical axioms imply the propositions, but the former may not be true [Russell]

6. Mathematics / B. Foundations for Mathematics / 3. Axioms for Geometry

10052

Geometry is united by the intuitive axioms of projective geometry [Russell, by Musgrave]

9. Objects / D. Essence of Objects / 12. Essential Parts

16792

If parts change, the whole changes [William of Ockham]

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]