Combining Texts

All the ideas for 'Set Theory and related topics (2nd ed)', 'works' and 'Some Remarks on Essentialism'

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

---

6 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]

9. Objects / D. Essence of Objects / 7. Essence and Necessity / a. Essence as necessary properties

13952

Essentialism says some of a thing's properties are necessary, and could not be absent [Cartwright,R]

9. Objects / D. Essence of Objects / 14. Knowledge of Essences

13954

The difficulty in essentialism is deciding the grounds for rating an attribute as essential [Cartwright,R]

9. Objects / D. Essence of Objects / 15. Against Essentialism

13955

Essentialism is said to be unintelligible, because relative, if necessary truths are all analytic [Cartwright,R]

9. Objects / F. Identity among Objects / 3. Relative Identity

13953

An act of ostension doesn't seem to need a 'sort' of thing, even of a very broad kind [Cartwright,R]

24. Political Theory / D. Ideologies / 8. Socialism

23053

The great interest of the human race is cordial unity and unlimited mutual aid [Owen]