Classes of fuzzy sets with the same material conditional
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Abstract By the representation's theorem it is known that a fuzzy relation R is a preorder if and only if R = inf μϵL I μ T , where L is the set of logical states of R. In this paper it is shown how, in almost all cases, both for the t -norm Min and archimedean t -norms T, it is possible to consider that the fuzzy sets μ are normalized. Furthermore a partial order between logical states, defined from the elemental preorders I μ T , is studied.
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