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The logic of inexact concepts

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This research was supported in part under contracts Nsnr 3656(08) and 222(85) while the author was at the University of California, Berkeley, Calif., U.S.A.

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Goguen, J.A. The logic of inexact concepts. Synthese 19, 325–373 (1969). https://doi.org/10.1007/BF00485654

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