Full Idea
In trying to make sense of the role of convention in a priori knowledge, the very distinction between a priori and empirical begins to waver and dissolve.
Gist of Idea
Examination of convention in the a priori begins to blur the distinction with empirical knowledge
Source
Willard Quine (Carnap and Logical Truth [1954], VI)
Book Reference
Quine,Willard: 'Ways of Paradox and other essays' [Harvard 1976], p.122
A Reaction
This is the next stage in the argument after Wittgenstein presents the apriori as nothing more than what arises from truth tables. The rationalists react by taking us back to the original 'natural light of reason' view. Then we go round again...