Combining Texts

All the ideas for 'talk', 'Counterparts and Identity' and 'Three Grades of Modal Involvement'

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11 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 / C. Ontology of Logic / 1. Ontology of Logic

12219

Whether a modal claim is true depends on how the object is described [Quine, by Fine,K]

5. Theory of Logic / G. Quantification / 1. Quantification

10922

Objects are the values of variables, so a referentially opaque context cannot be quantified into [Quine]

9. Objects / D. Essence of Objects / 9. Essence and Properties

10923

Aristotelian essentialism says a thing has some necessary and some non-necessary properties [Quine]

10. Modality / A. Necessity / 2. Nature of Necessity

10921

Necessity can attach to statement-names, to statements, and to open sentences [Quine]

10. Modality / A. Necessity / 11. Denial of Necessity

10924

Necessity is in the way in which we say things, and not things themselves [Quine]

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]

13. Knowledge Criteria / E. Relativism / 2. Knowledge as Convention

1556	By nature people are close to one another, but culture drives them apart [Hippias]

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]