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Book Information The Voices of Wittgenstein: The Vienna Circle. The Voices of Wittgenstein: The Vienna Circle Ludwig Wittgenstein and Friedrich Waismann , ed. Gordon Baker , London : Routledge , 2003 , 528 , US$100 ( cloth ) Edited by Gordon Baker . By Ludwig Wittgenstein. and Friedrich Waismann. Routledge. London. Pp. 528. US$100 (cloth:).

In Rudolph Camap (,) established himself as a professor in Vienna. The philosophical atmosphere awaiting him there was not new to him: the year before he ...

Abstract This article examines the little-explored remarks on verification in Wittgenstein's notebooks during the period between 1930 and 1932. In these remarks, Wittgenstein connects a verificationist theory of meaning with the notion of logical multiplicity, understood as a space of possibilities: a proposition is verified by a fact if and only if the proposition and the fact have the same logical multiplicity. But while in his early philosophy logical multiplicities were analysed as an outcome of the formal properties of simple objects and simple signs, Wittgenstein in the early 1930s connects the notion of logical multiplicity with the notion of ways of seeing. I will argue that the relevant ways of seeing are closely similar to seeing-as or aspect seeing. According to Wittgenstein's view in the early 1930s, logical multiplicities are part of our perceptual experience of propositions and facts. In this sense, the verification relation depends on how we experience propositions and facts as being surrounded by a logical space of possibilities. Strikingly, Wittgenstein's way of thinking about the verification relation offers solutions to a set of seemingly intractable problems connected with the versions of verificationism developed by members of the Vienna Circle.

The question is raised of the source of the extreme verificationist views which Wittgenstein put forward immediately after his return to philosophy in 1929. Since these views appear to be radically different from the ideas put forward in theTractatus some explanation of this dramatic new turn in Wittgenstein''s thought certainly seems to be called for. Wittgenstein''s very low level of interest in philosophy between 1918 and shortly before his return to philosophy is documented. Attention then focuses on the crucial period immediately before Wittgenstein''s return to Cambridge, and it is shown that in this period he encountered only two new philosophical influences. These were the ideas of Brouwer and the ideas of the Vienna Circle. Each of these is examined and neither is found capable of providing an explanation of the source of Wittgenstein''s verificationism. This leads to a reconsideration of the underlying assumption that Wittgenstein''s verificationism does represent the radical departure from the ideas of theTractatus which it appears to. It is argued that the only way we can account for Wittgenstein''s evident approval of the reading of theTractatus which he must have encountered in his meetings with members of the Vienna Circle is by concluding that, far from being incompatible with his earlier ideas, some form of verificationism must always have been implicit in theTractatus.

Some members of the Vienna Circle argued for a coherence theory of truth. Their coherentism is immune to standard objections. Most versions of coherentism are unable to show why a sentence cannot be true even though it fails to cohere with a system of beliefs. That is, it seems that truth may transcend what we can be warranted in believing. If so, truth cannot consist in coherence with a system of beliefs. The Vienna Circle's coherentists held, first, that sentences are warranted by coherence with a system of beliefs. Next they drew upon their verification theory of meaning, a consequence of which is that truth cannot transcend what can be warranted. The coherence theory of knowledge and verificationism together entail that truth cannot transcend what can be warranted by coherence with a system of beliefs. The Vienna Circle's argument for coherentism is strong and anticipates contemporary anti-realism.

Susan Stebbing’s paper “Logical Positivism and Analysis” (March 1933) was unusually critical of Wittgenstein. It put up a sharp opposition between Cambridge analytic philosophy of Moore and Russell and the positivist philosophy of the Vienna Circle to which she included Wittgenstein from 1929–32. Above all, positivists were interested in analyzing language, analytic philosophers in analyzing facts. Moreover, whereas analytic philosophers were engaged in directional analysis which seeks to illuminate the multiplicity of the analyzed facts, positivists aimed at final analysis which “proves” that there are simples. Stebbing’s paper urged Wittgenstein to recast his philosophy and 1933 abandon those components of it that linked him to the Vienna Circle.

The Institute Vienna Circle held a conference in Vienna in 2003, Cambridge and Vienna a?