Keyphrases
- logic programs
- logic programming
- answer sets
- answer set programming
- stable models
- fixpoint
- background knowledge
- prolog programs
- inductive logic programming
- normal logic programs
- logic program updates
- term rewriting systems
- answer set semantics
- partial deduction
- computational properties
- stable model semantics
- existentially quantified
- artificial intelligence
- reasoning tasks
- loop formulas
- answer set programs
- horn clauses
- modal logic