Journal of Northeastern University(Natural Science)

Journal of Northeastern University ›› 2004, Vol. 25 ›› Issue (8): 731-733.DOI: -

• OriginalPaper • Previous Articles     Next Articles

Subsystem of fuzzed rough sets based on the equivalence classes

Zhou, Jun (1); Zhang, Qing-Ling (1); Chen, Wen-Shi (2)   

  1. (1) Sch. of Sci., Northeastern Univ., Shenyang 110004, China; (2) Dept. of Computer Sci., Liaoning Inst. of Technol., Jinzhou 121001, China
  • Received:2013-06-24 Revised:2013-06-24 Online:2004-08-15 Published:2013-06-24
  • Contact: Zhou, J.
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Abstract: From the angle of the system, some properties about the class of fuzzy sets formed by rough sets being fuzzed by using the equivalence relation for given information system are discussed. It is proved that the class of fuzzy sets is the subsystem of the fuzzy system on the related universe of discourse. But this subsystem is a class special subsystem of fuzzy system. The transferable operation doesn't hold in this subsystem. The results supply some basic theories for how to research the relations between rough sets and fuzzy sets.

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