proposition: Lemma eqoO_trans (F : filter_on T) (f : T -> V) f' (g : T -> W) g' (h : T -> Z) : f = [o_F g of f'] -> g = [O_F h of g'] -> f =o_F h.
proof: Proof. by move=> -> ->; rewrite (littleo_bigO_eqo h). Qed.
imports: HB(structures) mathcomp(all_ssreflect ssralg ssrnum) mathcomp(mathcomp_extra boolp classical_sets functions) ereal reals signed topology normedtype prodnormedzmodule