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uncertain knowledge; fuzzy implication; rule base; Łukasiewicz's fuzzy logic with evaluated syntax; composition function
The core of the expert knowledge is typically represented by a set of rules (implications) assigned with weights specifying their (un)certainties. In the paper, a method for hierarchical selection and correction of expert's weighted rules is described particularly in the case when Łukasiewicz's fuzzy logic with evaluated syntax for dealing with weights is used.
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