In the paper, we define the Shannon-typeentropyof experiments in the intuitionistic fuzzy case and derive its basic properties. Subsequently, the results concerning the entropy are used to introduce the concept of mutual information of intuitionistic fuzzy experiments. In addition, we define the Kullback-Leibler divergenceand its conditional versionin the intuitionistic fuzzy caseand examine the algebraic properties of the proposed quantities. The results are explained with several examples to illustrate the developed theory.
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