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Generated necessities and possibilities. (English) Zbl 0761.68090
Summary: We propose a technique to generate necessities given a collection of items of information quantified by an initial valuation. The method we employ enables us to define conditional necessities in a very natural way and the composition of two necessities by a rule analogous to Dempster’s rule. This is obtained by skipping the condition \(n(0)=0\) and therefore considering necessities with a nonzero “degree of inconsistency”.

MSC:
68T30 Knowledge representation
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[1] and , Possibility Theory, Plenum Press, New York, 1988. · doi:10.1007/978-1-4684-5287-7
[2] ”Fuzzy filters: A generalization of credibility measure,” In Fuzzy Information, Knowledge Representation and Decision Analysis, and (Eds.), Pergamon Press, New York, 1983.
[3] Guangquan, Busefall 37 pp 42– (1988)
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