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Most of the approaches of computational argumentation define an argument as a pair consisting of premises and a conclusion, where the latter is entailed by the former. However, the matter of computing arguments and counter-arguments remains largely unsettled. We propose here a method to compute arguments and counter-arguments in the context of propositional logic, by using the concept of a MUS (Minimally...
In this paper, a new efficient technique is introduced to check the logical consistency of first-order function-free stratified knowledge-based decision-support systems (KBs). It is based on a progressive instantiation schema that enables us to benefit from the power of local search techniques for propositional satisfiability and search. It combines a knowledge preference pre-ordering with a concept...
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