Titlebook: Aspects of Vagueness; Heinz J. Skala,S. Termini,E. Trillas Book 1984 D. Reidel Publishing Company, Dordrecht, Holland 1984 development.ele

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A Geometry of Logic,f this theory with the theory of metric Boolean algebras and with that of unnormalized measures. (It is not suggested that this latter equivalence is not well known.) The merit of the theory, and of others like it, is that it allows us, with no departure from classical two-valued logic, to contempla

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Fuzziness and Fuzzy Equality,o various degrees of likeness of the elements with each other. Thus, e.g., in the “set” of all green objects in a given room we observe varying similarity of the coloring. In the “set” of very large natural numbers one has the obvious distance, in the “set” of patients diagnosed for a given illness