Combining Texts

Ideas for 'Meaning and the Moral Sciences', 'On Duties ('De Officiis')' and 'Scientific Attitude and Fallibilism'

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12. Knowledge Sources / A. A Priori Knowledge / 3. Innate Knowledge / a. Innate knowledge

14774	Innate truths are very uncertain and full of error, so they certainly have exceptions [Peirce]
	Full Idea: It seems to me there is the most historic proof that innate truths are particularly uncertain and mixed up with error, and therefore a fortiori not without exception.
	From: Charles Sanders Peirce (Scientific Attitude and Fallibilism [1899], II)

12. Knowledge Sources / A. A Priori Knowledge / 8. A Priori as Analytic

6284	If a tautology is immune from revision, why would that make it true? [Putnam]
	Full Idea: If we held, say, 'All unmarried men are unmarried' as absolutely immune from revision, why would this make it true?
	From: Hilary Putnam (Meaning and the Moral Sciences [1978], Pt Four)
	A reaction: A very nice question. Like most American philosophers, Putnam accepts Quine's attack on the unrevisability of analytic truths. His point here is that defenders of analytic truths are probably desperate to preserve basic truths, but it won't work.