Combining Texts

All the ideas for 'Paradoxes: Form and Predication', 'Counterparts and Identity' and 'On a supposed right to lie'

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

---

8 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]

5. Theory of Logic / G. Quantification / 6. Plural Quantification

14235

Saying 'they can become a set' is a tautology, because reference to 'they' implies a collection [Cargile]

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]

23. Ethics / B. Contract Ethics / 3. Promise Keeping

22442

If lies were ever acceptable, with would undermine all duties based on contract [Kant]

23. Ethics / D. Deontological Ethics / 2. Duty

22441

The law will protect you if you tell a truth which results in murder [Kant]