Keyphrases
- answer sets
- logic programs
- answer set programming
- logic programming
- answer set semantics
- normal logic programs
- answer set programs
- extended logic programs
- fixpoint
- logic program updates
- counter examples
- artificial intelligence
- multi attribute
- possibilistic logic
- semantics of logic programs
- expert systems
- preference relations
- deductive databases
- orders of magnitude
- np complete
- dl programs
- loop formulas