Combining Texts

All the ideas for 'Counterparts and Identity', 'The Conquest of Happiness' and 'The Gettier Problem'

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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]
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 / A. Justification Problems / 2. Justification Challenges / b. Gettier problem
19699 A Gettier case is a belief which is true, and its fallible justification involves some luck [Hetherington]
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 / C. The Good / 2. Happiness / d. Routes to happiness
20180 A happy and joyous life must largely be a quiet life [Russell]
23. Ethics / F. Existentialism / 4. Boredom
20176 Boredom is an increasingly strong motivating power [Russell]
20178 Life is now more interesting, but boredom is more frightening [Russell]
20177 Boredom always involves not being fully occupied [Russell]
20179 Happiness involves enduring boredom, and the young should be taught this [Russell]