Bustince Sola, HumbertoBarrenechea Tartas, EdurnePagola Barrio, MiguelFernández Fernández, Francisco JavierXu, ZeshuiCallejas Bedregal, BenjaminMontero, JavierHagras, HaniHerrera, FranciscoBaets, Bernard de2019-04-032019-04-032016H. Bustince et al., "A Historical Account of Types of Fuzzy Sets and Their Relationships," in IEEE Transactions on Fuzzy Systems, vol. 24, no. 1, pp. 179-194, Feb. 2016. doi: 10.1109/TFUZZ.2015.24516921063-6706 (Print)1941-0034 (Electronic)10.1109/TFUZZ.2015.2451692https://academica-e.unavarra.es/handle/2454/32795In this work we review the definition and basic properties of the different types of fuzzy sets that have appeared up to now in the literature. We also analyze the relationships between them and enumerate some of the applications in which they have been used.16 p.application/pdfeng© 2015 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other workType-2 fuzzy setSet-valued fuzzy setHesitant fuzzy setInterval-valued fuzzy setAtanassov intuitionistic fuzzy setinfo:eu-repo/semantics/articleinfo:eu-repo/semantics/openAccess