We first provide a mapping from Pearce's equilibrium logic and Ferraris and Lifschitz's general logic programs to Lin and Shoham's logic of knowledge and justified assumptions, a nonmonotonic modal logic that has been shown to include as special cases both Reiter's default logic in the propositional case and Moore's autoepistemic logic. From this mapping, we obtain a mapping from general logic programs to circumscription, both in the propositional and first-order case. Furthermore, we show that this mapping can be used to check the strong equivalence between two propositional logic programs in classical logic.

Authors

• Fangzhen Lin Hong Kong University of Science and Technology
• Yi Zhou Southeast University Key Laboratory of New Generation Artificial Intelligence Technology and Its Interdisciplinary Applications, Ministry of Education, China

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