Combining Texts

All the ideas for 'The Sign of Four', 'Critique of Judgement II: Teleological' and 'Counterparts and Identity'

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10 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 / 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 / C. Induction / 1. Induction
22200 If you eliminate the impossible, the truth will remain, even if it is weird [Conan Doyle]
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 / B. Value / 1. Nature of Value / f. Ultimate value
18239 What is contemplated must have a higher value than contemplation [Kant, by Korsgaard]
18238 Only a good will can give man's being, and hence the world, a final purpose [Kant]
26. Natural Theory / A. Speculations on Nature / 1. Nature
22053 The Critique of Judgement aims for a principle that unities humanity and nature [Kant, by Bowie]
26. Natural Theory / A. Speculations on Nature / 2. Natural Purpose / b. Limited purposes
18237 Without men creation would be in vain, and without final purpose [Kant]