proposition: Lemma littleo_littleo (F : filter_on T) (f : T -> V) (g : T -> W) (h : T -> X) : f =o_F g -> [o_F f of h] =o_F g.
proof: Proof. by move=> ->; apply: eqoE; rewrite (littleo_bigO_eqo g). Qed.
imports: HB(structures) mathcomp(all_ssreflect ssralg ssrnum) mathcomp(mathcomp_extra boolp classical_sets functions) ereal reals signed topology normedtype prodnormedzmodule