Keyphrases
- logic programs
- logic programs with negation
- logic programming
- stable models
- background knowledge
- inductive logic programming
- answer sets
- fixpoint
- normal logic programs
- conflict resolution
- answer set programming
- possibilistic logic
- logic program updates
- partial deduction
- computational properties
- term rewriting systems
- answer set semantics
- horn clauses
- strong equivalence
- propositional theories
- recursive programs
- description logics
- programming language
- natural language