fact: Definition CRasCField : CField := Build_CField CRasCRing CRinvT CRisCField CRinv_strext.
imports: CoRN.algebra.RSetoid CoRN.metric2.Metric CoRN.metric2.UniformContinuity CoRN.reals.fast.CRFieldOps CoRN.model.rings.CRring CoRN.algebra.CFields CoRN.reals.fast.CRcorrect CoRN.tactics.CornTac