proposition: Lemma RdivE x y : y != 0 -> Rdiv x y = x / y.
proof: Proof. by move=> y_neq0; rewrite /Rdiv RinvE. Qed.
imports: Rdefinitions Raxioms RIneq Rbasic_fun Zwf Epsilon FunctionalExtensionality Ranalysis1 Rsqrt_def Rtrigo1 Reals mathcomp(all_ssreflect ssralg poly mxpoly ssrnum) HB(structures) mathcomp(boolp classical_sets) reals