Montero, Javier2023-06-212023-06-211987[1] J.M. Blin, Fuzzy sets in multiple criteria decision making, TIMS Studies in the Management Sciences 6 (1977) 129-146. [2] E.P. Klement, Fuzzy a-algebras and fuzzy measurable function, Fuzzy Sets and Systems 4 (1980) 83-93. [3] F.J. Montero de Juan, Comprehensive fuzziness, Fuzzy Sets and Systems 20 (1986) 79-86. [4] S. Nahmias, Fuzzy variables, Fuzzy Sets and Systems 1 (1978) 97-110. [5] L.A. Zadeh, The concept of a linguistic variable and its application to approximate reasoning, Inform. Sci. 8 (1975) 199-249.0165-0114https://hdl.handle.net/20.500.14352/64970In the same way as 'comprehensive fuzziness' deals with o-fields of labels, 'extensive fuzziness' deals with objects. In this paper, the concept of 'extensive mapping' is defined in order to justify the notion of 'measurable fuzzy function'. This is the natural continuation of the article "Comprehensive fuzziness", recently published in this Journal.engjournal articlehttp://www.sciencedirect.com/science/article/pii/0165011487901643http://www.sciencedirect.comrestricted access519.8o-FieldFuzzy mappingMeasurable function.Investigación operativa (Matemáticas)1207 Investigación Operativa