Keyphrases
- logic programs
- answer sets
- logic programming
- answer set programming
- possibilistic logic
- answer set semantics
- fixpoint
- stable models
- extended logic programs
- normal logic programs
- answer set programs
- logic program updates
- stable model semantics
- inductive logic programming
- loop formulas
- answer set solvers
- horn clauses
- strong equivalence
- semantics of logic programs
- computational properties
- deductive databases
- counter examples