Marc Denecker, Maurice Bruynooghe, Joost Vennekens. Approximation Fixpoint Theory and the Semantics of Logic and Answers Set Programs. In Esra Erdem, Joohyung Lee, Yuliya Lierler, David Pearce, editors, Correct Reasoning - Essays on Logic-Based AI in Honour of Vladimir Lifschitz. Volume 7265 of Lecture Notes in Computer Science, pages 178-194, Springer, 2012. [doi]
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