When I returned to Vienna in the fall of 1931 Feigl had decided to stay on for good in merica while Carnap had left for Prague but visited the Circle from time to time, always provoking particularly lively discussions. He no longer talked about "the" language and in fact, to the displeasure of Waismann and to some extent of Schlick, used several languages; but I continued belaboring the point until (I believe after his second visit) he also gave up references to "the logic" despite the strong protests of Waismann and Schlick.