J4 ›› 2011, Vol. 46 ›› Issue (8): 114-117.

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Remarks on axiomatizations of generalized rough sets theory

MA Zhou-ming1,2, LI Jin-jin1,2*   

  1. 1.Department of Mathematics and Information Science, Zhangzhou Normal University, Zhangzhou 363000, Fujian, China;
    2. Lab of Granular Computing, Zhangzhou Normal University, Zhangzhou 363000, Fujian, China
  • Received:2010-10-17 Online:2011-08-20 Published:2011-09-08

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Abstract:

 Generalized rough sets theory is a development of rough sets theory based on equivalence relation. The axiomatizations of generalized rough sets is discussed based on binary relations, and the necessary axiom condition of a binary relations are analyzed by the actual examples.The sufficient conditions of every axiom set are given.

Key words:  rough set; generalized rough sets; axiomatization

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