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How To Develop a Theory of Truth

Wittgenstein's ideas concerning truth were rather generally adopted by the early Viennese Circle. The first to raise doubts, which soon developed into a very energetic opposition, was Dr. Neurath. The first who recognised the importance of Neurath's ideas was Prof. Carnap. He joined some of his most important theses and gave them a more precise form, and he and Neurath, mutually exciting each other, developed these ideas to the theory of truth we shall deal with.

Carl G. Hempel. "On the Logical Positivists' Theory of Truth", in Analysis, Vol. 2, No. 4, January 1935, pp. 49–59.