RU and (U,N)-implications satisfying Modus Ponens
International Journal of Approximate Reasoning(2016)
摘要
In this paper it is investigated when some kinds of fuzzy implication functions derived from uninorms satisfy the Modus Ponens with respect to a continuous t-norm T, or equivalently, when they are T-conditionals. The study is done for RU-implications and ( U , N ) -implications with N a continuous fuzzy negation leading to a lot of solutions in both cases. For RU-implications T-conditionality only depends on the underlying t-norm of the uninorm used to derive the residual implication. On the contrary, for ( U , N ) -implications the underlying t-norm is never relevant and only the region out of the t-norm is so. Even the t-conorm can be not relevant also in some cases. Characterization of all residual implications for uninorms satisfying Modus Ponens.Study of Modus Ponens for ( U , N ) -implications.Modus Ponens (T-conditionality) for implications generated from uninorms.
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关键词
Fuzzy implication function,Residual implication,(S,N)-implication,Modus Ponens,Uninorm
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