Bustince, HumbertoBarrenechea, EdurneFernández Castillo, JesúsPagola, MiguelXu, Z.Bedregal, B.Montero De Juan, Francisco JavierHagras, H.Herrera, F.De Baets, Bernard2023-06-182023-06-182016Bustince, H., Barrenechea, E., Pagola, M., Fernandez, J., Xu, Z., Bedregal, B., Montero, J., Hagras, H., Herrera, F., De Baets, B.: A Historical Account of Types of Fuzzy Sets and Their Relationships. IEEE Trans. Fuzzy Syst. 24, 179-194 (2016). https://doi.org/10.1109/TFUZZ.2015.24516921063-670610.1109/TFUZZ.2015.2451692https://hdl.handle.net/20.500.14352/24498In this paper, 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.engjournal articlehttps//doi.org/10.1109/TFUZZ.2015.2451692https://ieeexplore.ieee.org/abstract/document/7145399restricted access519.22Interval-valued fuzzy setSet-valued fuzzy setType-2 fuzzy setEstadística matemática (Matemáticas)1209 Estadística