Keyphrases
- logic programs
- logic programming
- function symbols
- answer sets
- answer set programming
- fixpoint
- background knowledge
- stable models
- partial deduction
- normal logic programs
- prolog programs
- computational properties
- logic program updates
- inductive logic programming
- distributed systems
- strong equivalence
- artificial intelligence
- stable model semantics
- nonmonotonic reasoning
- answer set programs
- database systems
- term rewriting systems