fact: Parameter Acc_ok : forall f i (hi : Acc f i) a, occurs a (Vnth (inputs (typ f)) (Acc_arity hi)) -> a <B output_base (typ f) \/ (a = output_base (typ f) /\ pos a (Vnth (inputs (typ f)) (Acc_arity hi))).
imports: Coq(IndefiniteDescription Structures.OrderedType) CoLoR(LogicUtil SN LCompSimple Tarski VecUtil SetUtil RelUtil)