Keyphrases
- logic programs
- normal logic programs
- logic programming
- answer set semantics
- horn clauses
- background knowledge
- answer sets
- extended logic programs
- strong equivalence
- existentially quantified
- declarative semantics
- answer set programming
- fixpoint semantics
- stable models
- fixpoint
- classical logic
- inductive logic programming
- partial deduction
- computational properties
- theorem proving
- counter examples
- answer set programs
- stable model semantics
- programming language
- transformation rules
- prolog programs
- semantics for logic programs
- semantics of logic programs
- description logic programs
- logic program updates
- production rules
- dl programs
- theorem prover
- classification rules