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