proposition: Lemma cvg_mulnr N :(N > 0)%N -> muln^~ N @ \oo --> \oo.
proof: Proof. by move=> N_gt0; under [muln^~ N]funext => n do rewrite mulnC; apply: cvg_mulnl. Qed.
imports: HB(structures) mathcomp(all_ssreflect all_algebra finmap generic_quotient) mathcomp(boolp classical_sets functions) mathcomp(cardinality mathcomp_extra fsbigop) reals signed