Institute of Information Theories and Applications FOI ITHEA
Authors analyses questions of the subjective uncertainty and inexactness situations in the moment
of using expert information and another questions which are connected with expert information uncertainty by
fuzzy sets with rough membership functions in this article. You can find information about integral problems of
individual expert marks and about connection among total marks “degree of inexactness” with sensibility of
measurement scale. A lot of different situation which are connected with distribution of the function accessory
significance and orientation of the concrete take to task decision making are analyses here.