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Open AccessArticle

Type-1 Fuzzy Sets and Intuitionistic Fuzzy Sets

Department of Bioinformatics and Mathematical Modelling, Institute of Biophysics and Biomedical Engineering, Bulgarian Academy of Sciences, Acad. G. Bonchev Str., Bl. 105, Sofia 1113, Bulgaria
Intelligent Systems Laboratory, Prof. Asen Zlatarov University, Bourgas 8010, Bulgaria
In memory of Prof. Lotfi Zadeh (1921–2017).
Algorithms 2017, 10(3), 106;
Received: 3 July 2017 / Revised: 18 August 2017 / Accepted: 31 August 2017 / Published: 13 September 2017
(This article belongs to the Special Issue Extensions to Type-1 Fuzzy Logic: Theory, Algorithms and Applications)
PDF [619 KB, uploaded 13 September 2017]


A comparison between type-1 fuzzy sets (T1FSs) and intuitionistic fuzzy sets (IFSs) is made. The operators defined over IFSs that do not have analogues in T1FSs are shown, and such analogues are introduced whenever possible. View Full-Text
Keywords: intuitionistic fuzzy set; intuitionistic fuzzy operator; Type 1 Fuzzy Sets intuitionistic fuzzy set; intuitionistic fuzzy operator; Type 1 Fuzzy Sets

Figure 1

This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).

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Atanassov, K.T. Type-1 Fuzzy Sets and Intuitionistic Fuzzy Sets. Algorithms 2017, 10, 106.

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