fact: Variable c : Q.
imports: CoRN.algebra.RSetoid CoRN.metric2.Metric CoRN.metric2.UniformContinuity CoRN.reals.Q_in_CReals CoRN.reals.fast.CRIR CoRN.ftc.Rolle CoRN.tactics.CornTac CoRN.model.metric2.Qmetric CoRN.model.totalorder.QposMinMax CoRN.model.totalorder.QMinMax