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