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In this paper, we propose that there exist three kinds of negations in fuzzy knowledge, namely contradictory negation, opposite negation and fuzzy negation. Based on the medium predicate logic MF and And-Or tree, presented representation and reasoning of fuzzy knowledge and its three kinds of negations via an example, discussed algorithm of reasoning, as well as realization of algorithm about example.
In this paper, we propose that there exist three kinds of negations in fuzzy knowledge, namely contradictory negation, opposite negation and fuzzy negation. Based on the medium predicate logic MF and And-Or tree, presented representation and reasoning of fuzzy knowledge and its three kinds of negations via an example, discussed algorithm of reasoning, as well as realization of algorithm about example.
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