proposition: Lemma norm_cvg0 f : `|f x| @[x --> F] --> 0 -> f @ F --> 0.
proof: Proof. by rewrite norm_cvg0P. Qed.
imports: HB(structures) mathcomp(all_ssreflect ssralg ssrint ssrnum finmap matrix) mathcomp(rat interval zmodp vector fieldext falgebra) mathcomp(mathcomp_extra boolp classical_sets functions) mathcomp(cardinality set_interval Rstruct) ereal reals signed topology prodnormedzmodule