fact: Definition sup : BoundedFunction --> CR := Cmap LinfStepQPrelengthSpace StepQSup_uc.
imports: CoRN.algebra.RSetoid CoRN.metric2.Metric CoRN.metric2.UniformContinuity CoRN.metric2.Complete CoRN.model.metric2.CRmetric CoRN.model.metric2.LinfMetric CoRN.model.metric2.Qmetric CoRN.tactics.CornTac