Keyphrases
- disjunctive logic programs
- disjunctive logic programming
- answer set programming
- logic programming
- logic programs
- polynomial hierarchy
- stable model semantics
- minimal models
- desirable properties
- stable models
- default logic
- answer set semantics
- answer sets
- propositional logic
- deductive databases
- nonmonotonic reasoning
- knowledge representation and reasoning
- autoepistemic logic
- knowledge representation
- default theories
- reasoning tasks
- knowledge base
- formal semantics
- fixpoint
- relational databases