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                        Journal of  King Saud University-Science
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                    | Abstract: | 
                    
                        
                         In this paper we generalize the concept of simple expansion due to Levine (1964) to the
fuzzy setting. Also, we introduce new classes of fuzzy sets, namely fuzzy g-preopen sets, fuzzy
weakly g-open sets and fuzzy weakly g-preopen sets. Th 
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