fact: Definition is_RegularFunction {X:Type} (ball : Q->X->X->Prop) (x:QposInf -> X) : Prop := forall (e1 e2:Qpos), ball (proj1_sig e1 + proj1_sig e2) (x e1) (x e2).
imports: CoRN.metric2.UniformContinuity CoRN.model.structures.QposInf CoRN.metric2.Classification CoRN.model.totalorder.QposMinMax CoRN.model.totalorder.QMinMax