%0 Journal Article %A Montero, Javier %T Extensive fuzziness %D 1987 %@ 0165-0114 %U https://hdl.handle.net/20.500.14352/64970 %X In 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. %~