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ARPN Journal of Science and Technology >> Volume 7, Issue 1, January 2017

ARPN Journal of Science and Technology


Roughness Based on the Closed Sub Hyper Group in a Join Space

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Author S.B. Hosseini, N. Jahanshahi
ISSN 2225-7217
On Pages 1140-1144
Volume No. 3
Issue No. 12
Issue Date January 01, 2014
Publishing Date January 01, 2014
Keywords Hypergroup; Join space; Rough set.



Abstract

In this paper, we study and investigate the upper and the lower approximation with respect to a closed subhypergroup in a join space and generalize some similar results which are proved in a hypergroup.


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