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Ideas for 'Parmenides', 'Coherence Theory of Truth and Knowledge' and 'Posterior Analytics'

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13. Knowledge Criteria / A. Justification Problems / 2. Justification Challenges / a. Agrippa's trilemma

1671	Sceptics say justification is an infinite regress, or it stops at the unknowable [Aristotle]
	Full Idea: Sceptics say that there is either an infinite regress of ideas based on one another, or things come to a stop at primitives which are unknowable (because they can't be demonstrated).
	From: Aristotle (Posterior Analytics [c.327 BCE], 72b09)
	A reaction: This is one strand of what eventually becomes the classic Agrippa's Trilemma (Idea 8850). For Aristotle's view on this one, see Idea 562.

13. Knowledge Criteria / A. Justification Problems / 3. Internal or External / a. Pro-internalism

8804	Reasons for beliefs are not the same as evidence [Davidson]
	Full Idea: We must find a reason for supposing most of our beliefs are true that is not a form of evidence.
	From: Donald Davidson (Coherence Theory of Truth and Knowledge [1983], p.158)
	A reaction: This simple observation strikes me as being a key truth in epistemology. It is the same confusion that creates Jackson's Knowledge Argument (Idea 7377) against physicalism (that experiencing red can be thought to be knowledge).