diff --git a/Analysis/MeasureTheory/Section_1_2_0.lean b/Analysis/MeasureTheory/Section_1_2_0.lean index 93e4cfa53..a0660cbec 100644 --- a/Analysis/MeasureTheory/Section_1_2_0.lean +++ b/Analysis/MeasureTheory/Section_1_2_0.lean @@ -575,7 +575,8 @@ example : /-- Exercise 1.2.2 -/ -- The pointwise limit of uniformly bounded Riemann integrable functions need not be Riemann integrable. -example : ∃ f: ℕ → ℝ → ℝ, ∃ F: ℝ → ℝ, ∃ M, ∀ n, ∀ x ∈ Set.Icc 0 1, |f n x| ≤ M ∧ +example : ∃ f: ℕ → ℝ → ℝ, ∃ F: ℝ → ℝ, + (∃ M, ∀ n, ∀ x ∈ Set.Icc 0 1, |f n x| ≤ M) ∧ (∀ x ∈ Set.Icc 0 1, Filter.atTop.Tendsto (fun n ↦ f n x) (nhds (F x))) ∧ (∀ n, RiemannIntegrableOn (f n) (Icc 0 1)) ∧ ¬ RiemannIntegrableOn F (Icc 0 1) := by