Keyphrases
- logic programs
- logic programming
- stable models
- fixpoint
- answer sets
- background knowledge
- answer set programming
- partial deduction
- stable model semantics
- computational properties
- term rewriting systems
- normal logic programs
- horn clauses
- prolog programs
- expert systems
- answer set semantics
- deductive databases
- declarative semantics
- definite clause
- existentially quantified
- answer set programs
- inductive logic programming