A boolean formula in conjunctive normal form (CNF) F is refuted by literal?once resolution if the empty clause is inferred from F by resolving on each literal of F at most once. Li...
We report on recent advancements in the development of grounder Gringo for logic programs under answer set semantics. Like its relatives, DLV and Lparse, Gringo has in the meantime...
Martin Gebser, Roland Kaminski, Max Ostrowski, Tor...
The action language A is a simple high-level language for describing transition systems. In this paper, we extend the action language A by allowing a unary modal operator in the u...
ion of Object Graphs in Program Verification Yifeng Chen1 and J.W. Sanders2 1 HCST Key Lab at School of EECS, Peking University, China. 2 UNU-IIST, Macao. A set-theoretic formalism...
We usually use natural language vocabulary for sort names in order-sorted logics, and some sort names may contradict other sort names in the sort-hierarchy. These implicit negation...