SDDs and d-SDNNFs yield strictly smaller refutations than OBDDs for unsatisfiable CNFs, with separations under different derivation rules and a sat-to-unsat lifting theorem.
4 Simone Bova, Florent Capelli, Stefan Mengel, and Friedrich Slivovsky
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Proof Systems Based on Structured Circuits
SDDs and d-SDNNFs yield strictly smaller refutations than OBDDs for unsatisfiable CNFs, with separations under different derivation rules and a sat-to-unsat lifting theorem.