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Rough sets and fuzzy sets. (English) Zbl 0588.04004
In this note we compare notions of rough set and fuzzy set, and we show that these two notions are different.

03E20 Other classical set theory (including functions, relations, and set algebra)
Full Text: DOI
[1] Orłowska, E.; Pawlak, Z., Expressive power of knowledge representation, Internat. J. man-machine stud., 20, 485-500, (1984) · Zbl 0541.68070
[2] Pawlak, Z., Rough sets, Internat. J. inform. comput. sci., 11, 5, 341-356, (1982) · Zbl 0501.68053
[3] Zadeh, L.A., Fuzzy sets, Inform, and control, 8, 338-353, (1965) · Zbl 0139.24606
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