A further study on contraction-expansion rationality conditions of fuzzy choice functions

In this paper we investigate the contraction-expansion rationality conditions of fuzzy choice functions. By the approach of triangular norm, we propose a new rationality condition Fγ2 (as the fuzzy version of the crisp condition γ2) and the concept of T-rationality with respect to fuzzy choice functions. We also discuss the relationship between the fuzzy contraction-expansion rationality conditions.

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