Combining Texts

All the ideas for 'Changes in Events and Changes in Things', 'Belief Truth and Knowledge' and 'Principles of Theoretical Logic'

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5 ideas

4. Formal Logic / C. Predicate Calculus PC / 1. Predicate Calculus PC

17750

The first clear proof of the consistency of the first order predicate logic was in 1928 [Hilbert/Ackermann, by Walicki]

7. Existence / D. Theories of Reality / 8. Facts / b. Types of fact

15201

That Queen Anne is dead is a 'general fact', not a fact about Queen Anne [Prior,AN]

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]

27. Natural Reality / D. Time / 2. Passage of Time / e. Tensed (A) series

22899

'Thank goodness that's over' is not like 'thank goodness that happened on Friday' [Prior,AN]