Keyphrases
- logic programs
- logic programming
- fixpoint
- answer sets
- answer set programming
- normal logic programs
- background knowledge
- inductive logic programming
- stable model semantics
- stable models
- logic program updates
- term rewriting systems
- partial deduction
- computational properties
- prolog programs
- answer set semantics
- horn clauses
- monotonicity constraints
- strong equivalence
- existentially quantified
- semantics of logic programs