Combining Texts

All the ideas for 'Logic [1897]', 'Meaning and Necessity' and 'What Price Bivalence?'

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4 ideas

5. Theory of Logic / D. Assumptions for Logic / 1. Bivalence

19043

Bivalence applies not just to sentences, but that general terms are true or false of each object [Quine]

7. Existence / D. Theories of Reality / 10. Vagueness / d. Vagueness as linguistic

19042

Terms learned by ostension tend to be vague, because that must be quick and unrefined [Quine]

13. Knowledge Criteria / C. External Justification / 2. Causal Justification

11052

Psychological logic can't distinguish justification from causes of a belief [Frege]

19. Language / C. Assigning Meanings / 8. Possible Worlds Semantics

11968

The intension of a sentence is the set of all possible worlds in which it is true [Carnap, by Kaplan]