proposition: Lemma eqO_exP (F : filter_on T) (e : T -> W) (f : T -> V) : (f =O_ F e) <-> (bigO_ex_def F f e).
proof: Proof. apply: iff_trans (iff_sym (bigO_exP _ _ _)); apply: eqOP. Qed.
imports: HB(structures) mathcomp(all_ssreflect ssralg ssrnum) mathcomp(mathcomp_extra boolp classical_sets functions) ereal reals signed topology normedtype prodnormedzmodule