Keyphrases
- logic programs
- logic programming
- answer sets
- fixpoint
- background knowledge
- answer set programming
- stable models
- computational properties
- partial deduction
- inductive logic programming
- prolog programs
- declarative semantics
- stable model semantics
- normal logic programs
- loop formulas
- answer set programs
- term rewriting systems
- logic program updates
- strong equivalence
- existentially quantified
- expert systems