Keyphrases
- logic programs
- logic programming
- stable models
- answer sets
- fixpoint
- background knowledge
- normal logic programs
- partial deduction
- prolog programs
- answer set programming
- computational properties
- recursive programs
- inductive logic programming
- stable model semantics
- deductive databases
- term rewriting systems
- answer set semantics
- knowledge base
- declarative semantics
- loop formulas
- existentially quantified