%0 Book Section %T Consistency of crisp and fuzzy preference relations publisher Università degli Studi di Roma "La Sapienzia" %D 2004 %U 88-87242-54-2 %@ https://hdl.handle.net/20.500.14352/53436 %X In this paper we point out some difficulties in developing rationality measures of fuzzy preference relations, as defined by Cutello and Montero in a previous paper. In particular, we analyze some alternative approaches, taking into account that consistency can not be viewed as an univoque concept in a fuzzy framework, neither in the crisp context, where consistency should not be necessarily represented in terms of linear orders. %~