Keyphrases
- logic programs
- logic programming
- fixpoint
- stable models
- normal logic programs
- background knowledge
- answer sets
- answer set semantics
- stable model semantics
- answer set programming
- prolog programs
- computational properties
- inductive logic programming
- semantics of logic programs
- partial deduction
- extended logic programs
- horn clauses
- loop formulas
- term rewriting systems
- logic program updates
- model theoretic
- deductive databases
- query answering
- minimal models
- closed world
- strong equivalence