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A note on “Generalized fuzzy rough approximation operators based on fuzzy coverings”

✍ Scribed by Zhiming Zhang; Jingfeng Tian; Yunchao Bai

Book ID
113643743
Publisher
Elsevier Science
Year
2011
Tongue
English
Weight
150 KB
Volume
52
Category
Article
ISSN
0888-613X

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The note gives a counterexample showing that Theorem 1 of Dubois and Prade (Fuzzy Sets and Systems 2 (1979) 327-348) is not valid and we point out a slightly stronger condition to correct the result.