fact: Definition RPlus_sbinfun : CSetoid_bin_op RCSetoid := Build_CSetoid_bin_op RCSetoid Rplus RPlus_is_setoid_bin_fun.
imports: CoRN.algebra.CSetoids CoRN.algebra.CSemiGroups CoRN.algebra.CMonoids CoRN.algebra.CGroups CoRN.tactics.CornTac CoRN.algebra.CAbGroups CoRN.algebra.CRings CoRN.algebra.CFields CoRN.algebra.COrdFields CoRN.reals.CReals Coq.Reals.RIneq Coq.Reals.Rcomplete Coq.Reals.Rlimit Coq.Reals.Rbasic_fun Coq(Lra)