NECESSITY MEASURES DEFINED BY LEVEL SET INCLUSIONS - 9 KINDS OF NECESSITY MEASURES AND THEIR PROPERTIES
In this paper, nine necessity measures are proposed and their properties are investigated. Three classes of necessity measures are defined. Considering their meanings, several kinds of necessity measures are proposed in each class. The representations of the proposed necessity measures using implication functions are given. The properties of the proposed necessity measures are discussed and their relationships among them are clarified.
necessity measure meaning of a necessity measure implication operation h-level set modifier