fact: Definition CRplusasBinOp : CSetoid_bin_op CRasCSetoid := Build_CSetoid_bin_fun _ _ _ _ CRplus_strext.
imports: CoRN.algebra.RSetoid CoRN.metric2.Metric CoRN.metric2.UniformContinuity CoRN.reals.fast.CRGroupOps CoRN.model.setoids.CRsetoid CoRN.algebra.CGroups CoRN.reals.fast.CRcorrect CoRN.tactics.CornTac