Keyphrases
- logic programs
- logic programming
- answer sets
- stable models
- answer set programming
- fixpoint
- background knowledge
- normal logic programs
- term rewriting systems
- partial deduction
- inductive logic programming
- prolog programs
- computational properties
- answer set semantics
- stable model semantics
- strong equivalence
- loop formulas
- description logics
- declarative semantics
- knowledge base
- artificial intelligence