Keyphrases
- answer sets
- logic programs
- logic programming
- answer set semantics
- extended logic programs
- answer set programming
- normal logic programs
- fixpoint
- semantics for logic programs
- semantics of logic programs
- answer set programs
- logic program updates
- stable model semantics
- deductive databases
- nonmonotonic reasoning
- stable models
- polynomial hierarchy
- dl programs
- reasoning tasks
- counter examples
- general purpose
- horn clauses
- incomplete information
- loop formulas
- relational databases
- artificial intelligence
- machine learning