proposition: Lemma limn_einfN u : limn_einf (-%E \o u) = - limn_esup u.
proof: Proof. by rewrite /limn_esup -limf_einfN. 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