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The free product is not associative - MaRDI portal

The free product is not associative (Q1319447)

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scientific article; zbMATH DE number 550094
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The free product is not associative
scientific article; zbMATH DE number 550094

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    The free product is not associative (English)
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    19 April 1994
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    The paper gives a counterexample to a theorem by \textit{S. Ray} [cf. Theorem 2.4 in Fuzzy Sets Syst. 50, 225-235 (1992; Zbl 0785.20033)]. Therefore the considered free product of fuzzy subsets of a group does not form a semigroup.
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    free product of fuzzy subsets
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    semigroup
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