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Abstract:
We investigate a relation about subadditivity of functions. Based on subadditivity of functions, we consider some conditions for continuous t-norms to act as the weakest t-norm TW-based addition. This work extends some results of Marková-Stupňanová, Mesiar.
Keywords: fuzzy arithmetics; fuzzy intervals; triangular norms;
AMS: 93E12; 62A10; 62F15;
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