proposition: Lemma lime_ge x f : cvg (f @ a) -> (\near a, x <= f a) -> x <= lim (f @ a).
proof: Proof. exact: cvge_to_ge. 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