Keyphrases
- stable models
- logic programs
- logic programming
- normal logic programs
- answer set programming
- fixpoint
- general theory
- deductive databases
- stable model semantics
- logic programs with negation
- loop formulas
- answer sets
- artificial intelligence
- answer set programs
- background knowledge
- classical logic
- knowledge representation and reasoning
- programming language
- knowledge representation
- minimal models
- databases
- semantics for logic programs
- database