Keyphrases
- logic programs
- logic programming
- fixpoint
- answer sets
- stable models
- answer set programming
- computational properties
- prolog programs
- inductive logic programming
- partial deduction
- background knowledge
- stable model semantics
- normal logic programs
- deductive databases
- existentially quantified
- artificial intelligence
- strong equivalence
- logic program updates
- functional programs
- minimal models
- declarative semantics
- query evaluation
- term rewriting systems
- knowledge representation