 And without the single canonical language containing its own metalanguage, there is no longer any reason to regard any particular metalanguage as more “suitable” or “natural” than any other. One option may turn out to be more useful than another for particular purposes, but this is no reason to privilege it as uniquely “correct” (or canonical). With Gödel’s assistance, Carnap developed a new definition of analyticity, but it hardly seemed to matter any more; the language relativity of any definition of truth or analyticity moved to the center of attention. The disputes about protocol sentences within the Vienna Circle merged in Carnap’s mind with the disputes among intuitionists, logicists, and formalists in the philosophy of mathematics. 