Combining Texts

All the ideas for 'The Courtier and the Heretic', 'Counterparts and Identity' and 'Improvement of Understanding'

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8 ideas

2. Reason / D. Definition / 2. Aims of Definition

16541

All the intrinsic properties of a thing should be deducible from its definition [Spinoza]

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 / 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]

14. Science / D. Explanation / 2. Types of Explanation / k. Explanations by essence

13073

To understand the properties we must know the essence, as with a circle [Spinoza]

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]

24. Political Theory / D. Ideologies / 10. Theocracy

7825	The politics of Leibniz was the reunification of Christianity [Stewart,M]