proposition: Lemma littleo_eqo (F : filter_on T) (g : T -> W) (f : {o_F g}) : (f : _ -> _) =o_F g.
proof: Proof. by apply/eqoP. Qed.
imports: HB(structures) mathcomp(all_ssreflect ssralg ssrnum) mathcomp(mathcomp_extra boolp classical_sets functions) ereal reals signed topology normedtype prodnormedzmodule