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计算机科学 2003
粗糙模糊集的格论性质Keywords: 粗糙模糊集格论性质粗糙集模糊集计算机 Abstract: letudenoteafiniteandnonemptysetcalledtheuniverse,andp(u)apowerset.supposerisanequiva-lencerelationonu.considertheequivalencerelation≈(x≈y←→^-rx=^-randrx=ry,x,y,∈f(u))onf(u),thequotientsetdenotedbyf(u)/≈.inthispa
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