Abstract
In this chapter, the basic definitions and properties of the relations and operations over IVIFSs will be discussed. We omit the majority of the proofs below, which are, in general, analogous to the proofs from [4, 5] for IFSs.
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Atanassov, K.T. (2020). Relations and Operations over IVIFSs. In: Interval-Valued Intuitionistic Fuzzy Sets. Studies in Fuzziness and Soft Computing, vol 388. Springer, Cham. https://doi.org/10.1007/978-3-030-32090-4_3
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DOI: https://doi.org/10.1007/978-3-030-32090-4_3
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