Combining Texts

All the ideas for 'Counterparts and Identity', 'In Defence of Convention T' and 'On the Elements of Being: I'

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9 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]

8. Modes of Existence / B. Properties / 13. Tropes / a. Nature of tropes

8510	'Socrates is wise' means a concurrence sum contains a member of a similarity set [Williams,DC]

8508	A 'trope' is an abstract particular, the occurrence of an essence [Williams,DC]

8509	A world is completely constituted by its tropes and their connections [Williams,DC]

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

16412

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

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]

19. Language / C. Assigning Meanings / 5. Fregean Semantics

7331	A theory of meaning comes down to translating sentences into Fregean symbolic logic [Davidson, by Macey]

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]