Keyphrases
- logic programs
- logic programming
- answer sets
- stable models
- answer set programming
- fixpoint
- normal logic programs
- background knowledge
- logic program updates
- computational properties
- general logic programs
- extended logic programs
- prolog programs
- counter examples
- declarative semantics
- inductive logic programming
- stable model semantics
- expert systems
- update semantics
- fixpoint semantics
- existentially quantified
- inside outside algorithm