Combining Texts

All the ideas for 'Counterparts and Identity', 'Abstract Objects:intro to Axiomatic Metaphysics' and 'On Providence'

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10 ideas

4. Formal Logic / D. Modal Logic ML / 7. Barcan Formula

18823

To say there could have been people who don't exist, but deny those possible things, rejects Barcan [Stalnaker, by Rumfitt]

9. Objects / A. Existence of Objects / 2. Abstract Objects / a. Nature of abstracta

10414

Abstract objects are constituted by encoded collections of properties [Zalta, by Swoyer]

9. Objects / A. Existence of Objects / 2. Abstract Objects / c. Modern abstracta

10415

Properties make round squares and round triangles distinct, unlike exemplification [Zalta, by Swoyer]

10. Modality / E. Possible worlds / 3. Transworld Objects / c. Counterparts

16409

Unlike Lewis, I defend an actualist version of counterpart theory [Stalnaker]

16411

If possible worlds really differ, I can't be in more than one at a time [Stalnaker]

16412

If counterparts exist strictly in one world only, this seems to be extreme invariant essentialism [Stalnaker]

19. Language / C. Assigning Meanings / 8. Possible Worlds Semantics

16410

Extensional semantics has individuals and sets; modal semantics has intensions, functions of world to extension [Stalnaker]

22. Metaethics / C. The Good / 2. Happiness / a. Nature of happiness

13550

To be always happy is to lack knowledge of one half of nature [Seneca]

23. Ethics / C. Virtue Theory / 4. External Goods / a. External goods

13549

Nothing bad can happen to a good man [Seneca]

27. Natural Reality / A. Classical Physics / 1. Mechanics / c. Forces

13548

The ocean changes in volume in proportion to the attraction of the moon [Seneca]