Michael Gelfond, Vladimir Lifschitz
Abstract
We propose a new declarative semantics for logic programs with negation. Its formulation is quite simple; at the same time, it is more general than the iterated fixed point semantics for stratied programs, and is applicable to some useful programs that are not stratified.
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We propose a new declarative semantics for logic programs with negation. Its formulation is quite simple; at the same time, it is more general than the iterated fixed point semantics for stratied programs, and is applicable to some useful programs that are not stratified.
Key concepts: Programming language, Computer science, Semantics (computer science), Logic programming, Stable model semantics, Well-founded semantics, Operational semantics, Theoretical computer science