Papers › Complexity of the interpretability logic IL
Complexity of the interpretability logic IL
Luka Mikec, Fedor Pakhomov, Mladen Vuković
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We show that the decision problem for the basic system of interpretability logic IL is PSPACE-complete. For this purpose we present an algorithm which uses polynomial space with respect to the complexity of a given formula. The existence of such algorithm, together with the previously known PSPACE hardness of the closed fragment of IL, implies PSPACE-completeness.
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