F−rough law and the discovery of rough law |
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| Authors: | Qiu Jinming Shi Kaiquan |
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| Institution: | 1. Dept. Of Mathematics and Computer Science, Sanming Univ., Sanming 365004, P. R. China;School of Mathematics and System Science, Shandong Univ., Jinan 250100, P. R. China
2. School of Mathematics and System Science, Shandong Univ., Jinan 250100, P. R. China |
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| Abstract: | By using function one direction S-rough sets (function one direction singular rough sets), this article presents the concepts of F-law, F-rough law, and the relation metric of rough law; by using these concepts, this article puts forward the theorem of F-law relation metric, two orders theorem of F-rough law relation metric, the attribute theorem of F-rough law band, the extremum theorem of F-rough law relation metric, the discovery principle of F-rough law and the application of F-rough law. |
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| Keywords: | function one direction S-rough sets F-rough law rough law relation metric the theorem of relationmetric the discovery principle of F-rough law application |
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