proposition: Lemma is_cvg_abse (f : I -> \bar R) : cvg (f @ F) -> cvg (`|f x|%E @[x --> F]).
proof: Proof. by move/cvg_abse/cvgP. 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