Vienna Circle concept of logic was that logic holds merely by form, independently from the facts of the world. Have we lost this concept completely? Is it a matter of arbitrary choice, of mere subjective-practical appropriateness, which logic one chooses? Is Quine right that there is no distinction between analytic and synthetic truth, even if we take "analytic truth" in the narrow sense of "logical truth"? These are the questions which have motivated this paper." /> Tarski and Carnap on logical truth - Schurz Gerhard | sdvig press