Keyphrases
- logic programs
- recursive programs
- definite clause
- logic programming
- stable models
- fixpoint
- answer sets
- horn clauses
- background knowledge
- partial deduction
- answer set programming
- computational properties
- normal logic programs
- logic program updates
- prolog programs
- term rewriting systems
- stable model semantics
- inductive logic programming
- high level
- classical logic
- strong equivalence
- abductive reasoning
- existentially quantified
- functional programs
- minimal models
- query processing