Combining Texts

All the ideas for 'What is so bad about Contradictions?', 'Logic [1897]' and 'Meaning and Necessity'

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3 ideas

2. Reason / B. Laws of Thought / 3. Non-Contradiction

9123	Someone standing in a doorway seems to be both in and not-in the room [Priest,G, by Sorensen]

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]