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Logics for Contravariant Simulations

Abstract : 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 to study the notion of simulation in a generic way. Now we show that their behaviors have also simple and natural logical characterizations, though more elaborated than those for the plain simulation semantics.
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Ignacio Fábregas, David Frutos Escrig, Miguel Palomino. Logics for Contravariant Simulations. Joint 12th IFIP WG 6.1 International Conference on Formal Methods for Open Object-Based Distributed Systems (FMOODS) / 30th IFIP WG 6.1 International Conference on Formal Techniques for Networked and Distributed Systems (FORTE), Jun 2010, Amsterdam, Netherlands. pp.224-231, ⟨10.1007/978-3-642-13464-7_18⟩. ⟨hal-01055151⟩

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