Keyphrases
- logic programs
- strong equivalence
- answer set semantics
- logic programming
- answer sets
- stable models
- fixpoint
- answer set programming
- background knowledge
- computational properties
- normal logic programs
- inductive logic programming
- prolog programs
- partial deduction
- stable model semantics
- loop formulas
- datalog programs
- functional programs
- update semantics
- horn clauses
- expert systems
- answer set programs
- logic program updates