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Uniqueness of information measure in the theory of evidence. (English) Zbl 0638.94027
It is shown that three properties - symmetry, additivity and subadditivity - determine, in essence, the form of an uncertainty measure in the theory of evidence. Moreover it is shown that complete characterization requires either suitable continuity assumptions or some branching hypothesis.
Reviewer: L.Pardo

MSC:
94D05 Fuzzy sets and logic (in connection with information, communication, or circuits theory)
94A17 Measures of information, entropy
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References:
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