proposition: Lemma continuousM s t x : {for x, continuous s} -> {for x, continuous t} -> {for x, continuous (s * t)}.
proof: Proof. by move=> f_cont g_cont; apply: cvgM. 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