Keyphrases
- logic programs
- logic programming
- answer sets
- background knowledge
- fixpoint
- answer set programming
- normal logic programs
- stable models
- inductive logic programming
- computational properties
- partial deduction
- term rewriting systems
- abductive reasoning
- answer set semantics
- existentially quantified
- strong equivalence
- prolog programs
- stable model semantics
- answer set programs
- description logics
- horn clauses
- logic program updates