proposition: Lemma cvgMl f a b : f @ F --> a -> (f x * b) @[x --> F] --> a * b.
proof: Proof. exact: cvgZl. 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