Intuitionistic Linear Temporal Logics

12/30/2019
by   Philippe Balbiani, et al.
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We consider intuitionistic variants of linear temporal logic with `next', `until' and `release' based on expanding posets: partial orders equipped with an order-preserving transition function. This class of structures gives rise to a logic which we denote , and by imposing additional constraints we obtain the logics of persistent posets and of here-and-there temporal logic, both of which have been considered in the literature. We prove that has the effective finite model property and hence is decidable, while does not have the finite model property. We also introduce notions of bounded bisimulations for these logics and use them to show that the `until' and `release' operators are not definable in terms of each other, even over the class of persistent posets.

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