Disjunctive Datalog
= Disjunctive Datalog
<Datalog> allowing disjunctions of positive atoms in rule heads. A satisfiable program can have incomparable minimal <Herbrand models> and no <least Herbrand model>.
= Disjunctive Datalog
<Datalog> allowing disjunctions of positive atoms in rule heads. A satisfiable program can have incomparable minimal <Herbrand models> and no <least Herbrand model>.