Abstract
This chapter considers fuzzy implications as a special case of fuzzy relations in [0,1]. We examine compositions of fuzzy implications based on a binary operation ∗ and discuss the dependencies between algebraic properties of the operation ∗ and the induced sup − ∗ composition. Under some simple assumptions the sup − ∗ composition of fuzzy implications gives also a fuzzy implication. This leads to an examination of ordered groupoids and ordered semigroups of fuzzy implications. Contrapositive and invariant fuzzy implications are also considered.
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Drewniak, J., Sobera, J. (2013). Compositions of Fuzzy Implications. In: Baczyński, M., Beliakov, G., Bustince Sola, H., Pradera, A. (eds) Advances in Fuzzy Implication Functions. Studies in Fuzziness and Soft Computing, vol 300. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-35677-3_7
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DOI: https://doi.org/10.1007/978-3-642-35677-3_7
Publisher Name: Springer, Berlin, Heidelberg
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