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Keywords:
fuzzy arithmetics; fuzzy intervals; triangular norms
fuzzy arithmetics; fuzzy intervals; triangular norms
Summary:
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 $T_W$-based addition. This work extends some results of Marková-Stupňanová [15], Mesiar [18].
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