Combining Texts

All the ideas for 'The Philosophy of History', 'Counterparts and Identity' and 'Epistemic and Metaphysical Possibility'

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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]

10. Modality / A. Necessity / 6. Logical Necessity

12185

Logical necessity is epistemic necessity, which is the old notion of a priori [Edgington, by McFetridge]

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 / A. Ethics Foundations / 2. Source of Ethics / e. Human nature

21796

Man is God if he raises himself, by denying his nature and finitude [Hegel]

25. Social Practice / A. Freedoms / 1. Slavery

21783

State slavery is a phase of education, moving towards a full culture [Hegel]

21784

Slavery is unjust, because humanity is essentially free [Hegel]