proposition: Lemma __deprecated__cvg_dist2 {F : set_system U} {G : set_system V} {FF : Filter F} {FG : Filter G} (y : U) (z : V): (F, G) --> (y, z) -> forall eps, 0 < eps -> \forall y' \near F & z' \near G, `|(y, z) - (y', z')| < eps.
proof: Proof. exact: cvgr2dist_lt. 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