proposition: Lemma eqO_bigO (F : filter_on T) (e : T -> W) (f : T -> V) : f =O_ F e -> bigO_def F f e.
proof: Proof. by rewrite eqOP. Qed.
imports: HB(structures) mathcomp(all_ssreflect ssralg ssrnum) mathcomp(mathcomp_extra boolp classical_sets functions) ereal reals signed topology normedtype prodnormedzmodule