Carnap and quine on analyticity: The nature of the disagreement

The difference between Carnap and Quine over analyticity is usually thought to turn on a disagreement as to whether there is a notion of meaning, or rules of language, which enable us to define that idea. This paper argues that the more important disagreement is epistemological. Quine came to accept a notion of analyticity. That leaves him in a position somewhat like Putnam's in 'The Analytic and the Synthetic': that there is a notion of analyticity, but that it is of no philosophical importance. But their reasons for thinking analyticity unimportant are quite different: for Putnam it is because all analytic truths are trivial; for Quine, the notion of analyticity itself is unimportant. I contrast Putnam's position with that of Carnap, and also contrast Carnap and Quine. Analyticity only has the force that it has for Carnap because he accepts the Principle of Tolerance, the idea that changes within a language and changes of language are subject to justification in different senses. Quine rejects that idea. That is why he does not take analyticity to be philosophically important or useful.