Keyphrases
- logic programs
- logic programming
- refinement operators
- propositional theories
- semantics of logic programs
- cp logic
- background knowledge
- answer set programming
- stable models
- answer sets
- fixpoint
- inductive logic programming
- answer set semantics
- prolog programs
- computational properties
- computational problems
- stable model semantics
- causal theories
- normal logic programs
- term rewriting systems
- strong equivalence
- artificial intelligence
- defeasible logic
- recursive programs
- horn clauses
- logic program updates