Two interpretations of the covering law

摘要

Two completely different physical interpretations of the covering law are presented. One is based on an idea of Jauch and Piron, who tried to interpret this important property of physical theories by using ideal measurements of the first kind. The other uses the notion of degree of incompatibility, which arises naturally if a physically reasonable measure of incompatibility of "yes-no" experiments is assumed to exist. References: 5