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Lecture Notes in Computer Science
Covariant-contravariant simulation and conformance simulation are two generalizations of the simple notion of simulation which aim at capturing the fact that it is not always the case that "the larger the number of behaviors, the better". Therefore, they can be considered to be more adequate to express the fact that a system is a correct implementation of some specification. We have previously shown that these two more elaborated notions fit well within the categorical framework developed todoi:10.1007/978-3-642-13464-7_18 fatcat:4vdzdborivf5znirmhl5i6o3py