fuzzy set - a generalization of the concept of set; in particular, a subset F of a given set S for which the characteristic function F : S [0, 1] has the entire unit interval as its range, rather than just the two values {0, 1}. ;
дс тдрлими цюлютдажкию дроемжки аиакиохдйис лидр
http://www.harcourt.com/dictionary/def/4/2/4/0/4240300.html;
