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Journal Articles Journal of Automated Reasoning Year : 2023

SCL(EQ): SCL for First-Order Logic with Equality


We propose a new calculus SCL(EQ) for first-order logic with equality that only learns nonredundant clauses. Following the idea of CDCL (Conflict Driven Clause Learning) and SCL (Clause Learning from Simple Models) a ground literal model assumption is used to guide inferences that are then guaranteed to be non-redundant. Redundancy is defined with respect to a dynamically changing ordering derived from the ground literal model assumption. We prove SCL(EQ) sound and complete and provide examples where our calculus improves on superposition.
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hal-04313698 , version 1 (29-11-2023)




Hendrik Leidinger, Christoph Weidenbach. SCL(EQ): SCL for First-Order Logic with Equality. Journal of Automated Reasoning, 2023, 67 (3), pp.22. ⟨10.1007/s10817-023-09673-3⟩. ⟨hal-04313698⟩
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