Combining Texts

All the ideas for 'works', 'Moral Relativism' and 'Counterparts and Identity'

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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]

4. Formal Logic / F. Set Theory ST / 4. Axioms for Sets / a. Axioms for sets

9565	Zermelo made 'set' and 'member' undefined axioms [Zermelo, by Chihara]

3339	For Zermelo's set theory the empty set is zero and the successor of each number is its unit set [Zermelo, by Blackburn]

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]

12. Knowledge Sources / B. Perception / 5. Interpretation

22449

When we say 'is red' we don't mean 'seems red to most people' [Foot]

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 / A. Ethics Foundations / 1. Nature of Ethics / e. Ethical cognitivism

22451

All people need affection, cooperation, community and help in trouble [Foot]

22. Metaethics / B. Value / 1. Nature of Value / f. Ultimate value

22452

Do we have a concept of value, other than wanting something, or making an effort to get it? [Foot]