Keyphrases
- logic programs
- logic programming
- valued logic
- answer sets
- fixpoint
- stable models
- answer set programming
- term rewriting systems
- background knowledge
- computational properties
- partial deduction
- normal logic programs
- logic program updates
- prolog programs
- stable model semantics
- existentially quantified
- strong equivalence
- autoepistemic logic
- monotonicity constraints
- horn clauses
- multi valued
- software engineering