Combining Texts

All the ideas for 'Set Theory and related topics (2nd ed)', 'Lysis' and 'The Beautiful in Music'

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

---

4 ideas

4. Formal Logic / F. Set Theory ST / 3. Types of Set / e. Equivalence classes

8920	Equivalence relations are reflexive, symmetric and transitive, and classify similar objects [Lipschutz]

21. Aesthetics / C. Artistic Issues / 4. Emotion in Art

20344

Music is not an expressive art, because it expresses no familiar emotions [Hanslick, by Wollheim]

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]