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Ideas for 'Meaning and the Moral Sciences', 'To be is to be the value of a variable..' and 'Problems of Philosophy'

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6 ideas

13. Knowledge Criteria / A. Justification Problems / 2. Justification Challenges / b. Gettier problem
A true belief is not knowledge if it is reached by bad reasoning [Russell]
True belief is not knowledge when it is deduced from false belief [Russell]
13. Knowledge Criteria / B. Internal Justification / 4. Foundationalism / c. Empirical foundations
All knowledge (of things and of truths) rests on the foundations of acquaintance [Russell]
13. Knowledge Criteria / C. External Justification / 7. Testimony
Knowledge depends on believing others, which must be innate, as inferences are not strong enough [Putnam]
Empathy may not give knowledge, but it can give plausibility or right opinion [Putnam]
13. Knowledge Criteria / D. Scepticism / 5. Dream Scepticism
Dreams can be explained fairly scientifically if we assume a physical world [Russell]