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Car·nap(kär′näp′, -năp′), Rudolf 1891-1970.
German-born American philosopher whose antimetaphysical views, set forth in such works as The Logical Structure of the World (1928) and The Logical Foundations of Probability (1950), were central to the development of logical positivism.
(Biography) Rudolf. 1891–1970, US logical positivist philosopher, born in Germany: attempted to construct a formal language for the empirical sciences that would eliminate ambiguity