proposition: Lemma nondecreasing_is_cvgn (u_ : R ^nat) : nondecreasing_seq u_ -> has_ubound (range u_) -> cvgn u_.
proof: Proof. by move=> u_nd u_ub; apply: cvgP; exact: nondecreasing_cvgn. Qed.
imports: mathcomp(all_ssreflect ssralg ssrint ssrnum matrix) mathcomp(interval rat) mathcomp(mathcomp_extra boolp classical_sets functions) mathcomp(set_interval) reals ereal signed topology normedtype landau