First-Order Game Logic and Modal Mu-Calculus

01/25/2022
by   Noah Abou El Wafa, et al.
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This paper investigates first-order game logic and first-order modal mu-calculus, which extend their propositional modal logic counterparts with first-order modalities of interpreted effects such as variable assignments. Unlike in the propositional case, both logics are shown to have the same expressive power and their proof calculi to have the same deductive power. Both calculi are also mutually relatively complete. In the presence of differential equations, corollaries obtain usable and complete translations between differential game logic, a logic for the deductive verification of hybrid games, and the differential mu-calculus, the modal mu-calculus for hybrid systems. The differential mu-calculus is complete with respect to first-order fixpoint logic and differential game logic is complete with respect to its ODE-free fragment.

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