fact: Definition CRmultasBinOp : CSetoid_bin_op CRasCSetoid := Build_CSetoid_bin_fun _ _ _ _ CRmult_strext.
imports: CoRN.algebra.RSetoid CoRN.metric2.Metric CoRN.metric2.UniformContinuity CoRN.reals.fast.CRFieldOps CoRN.model.abgroups.CRabgroup CoRN.algebra.CRings CoRN.reals.fast.CRcorrect CoRN.tactics.Rational CoRN.tactics.CornTac