Combining Texts

All the ideas for 'Necessary Existents', 'Presupposition' and 'Belief Truth and Knowledge'

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5 ideas

4. Formal Logic / A. Syllogistic Logic / 3. Term Logic

19053

Logic would be more natural if negation only referred to predicates [Dummett]

5. Theory of Logic / E. Structures of Logic / 2. Logical Connectives / c. not

19052

Natural language 'not' doesn't apply to sentences [Dummett]

12. Knowledge Sources / B. Perception / 7. Causal Perception

3900	Maybe experience is not essential to perception, but only to the causing of beliefs [Armstrong, by Scruton]

13. Knowledge Criteria / C. External Justification / 1. External Justification

4253	Externalism says knowledge involves a natural relation between the belief state and what makes it true [Armstrong]

19. Language / D. Propositions / 3. Concrete Propositions

19216

Propositions (such as 'that dog is barking') only exist if their items exist [Williamson]