Keyphrases
- logic programs
- loop formulas
- logic programming
- answer sets
- fixpoint
- answer set programming
- background knowledge
- normal logic programs
- stable models
- computational properties
- partial deduction
- prolog programs
- inductive logic programming
- answer set semantics
- stable model semantics
- strong equivalence
- declarative semantics
- term rewriting systems
- logic program updates
- horn clauses
- default reasoning
- nonmonotonic reasoning
- deductive databases
- recursive programs
- query language
- relational databases
- artificial intelligence