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Pythagorean picture fuzzy sets: part 2-some main picture logic operators and picture inference processes / Bui Cong Cuong // Tạp chí Tin học và Điều khiển học = Journal of Computer Science And Cybernetics . - 2022. - tr. 3-31. - ISSN: 1813-9663



Ký hiệu phân loại (DDC): 005.13
Pythagorean picture fuzzy set (PPFS) is a combination of Picture Fuzzy 5+1 and theYagcr‘s l"ythagorcan Fuzzy Set [12—14]. In the first part of the paper [17] we introduced some basic notions namely the set operators on PPFS. The missing part in our previous wort: is Fefining the extension of such the operators on the Spherical Fuzzy Sets toward applications of :ztitiaz'zribute group decision making problems. In this second part, we will tackle this issue and preset. some main operators on PPFS such as the picture negation operator, picture t—norm. picture picture implication operators on PPFS. Lastly, the compositional rule of inference in PPFS is presented accompanied with a numerical example.
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Rough Picture Fuzzy Set And Picture Fuzzy Topologies / Nguyen Xuan Thao, Nguyen Van Dinh // Tạp chí Tin học và Điều khiển học = Journal of Computer Science And Cybernetics . - 2015. - P. 245-253. - ISSN:


9 p.
Ký hiệu phân loại (DDC): 621
Approximation of a picture fuzzy set on a crisp approximation space gives a roughpicture fuzzy set. In this paper, the concept of a rough picture set is introduced, besides we alsoinvestigate some topological structures of a rough picture fuzzy set are investigated, such are lowerand upper rough picture fuzzy approximation operators
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