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Weak uninorm aggregation operators. (English) Zbl 0954.03058
By weakening the identity condition for uninorms, a general class of associative aggregation operators, called weak uninorms, is introduced. It is proved that a continuous weak uninorm is a combination of a continuous t-norm and a continuous t-conorm through a median operator.

MSC:
03E72 Theory of fuzzy sets, etc.
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