Theorem: ProbabilityTheory.strong_law_Lp
File: Mathlib/Probability/StrongLaw.lean

tactic: have hmeas : ∀ i, AEStronglyMeasurable (X i) ℙ := fun i =>
  (hident i).aestronglyMeasurable_iff.2 hℒp.1
state_before: Ω : Type u_1
inst✝⁶ : MeasureSpace Ω
inst✝⁵ : IsProbabilityMeasure ℙ
E : Type u_2
inst✝⁴ : NormedAddCommGroup E
inst✝³ : NormedSpace ℝ E
inst✝² : CompleteSpace E
inst✝¹ : MeasurableSpace E
inst✝ : BorelSpace E
p : ℝ≥0∞
hp : 1 ≤ p
hp' : p ≠ ⊤
X : ℕ → Ω → E
hℒp : Memℒp (X 0) p ℙ
hindep : Pairwise fun i j => IndepFun (X i) (X j) ℙ
hident : ∀ (i : ℕ), IdentDistrib (X i) (X 0) ℙ ℙ
⊢ Tendsto (fun n => snorm (fun ω => (↑n)⁻¹ • ∑ i ∈ range n, X i ω - ∫ (a : Ω), X 0 a) p ℙ) atTop (𝓝 0)
state_after: Ω : Type u_1
inst✝⁶ : MeasureSpace Ω
inst✝⁵ : IsProbabilityMeasure ℙ
E : Type u_2
inst✝⁴ : NormedAddCommGroup E
inst✝³ : NormedSpace ℝ E
inst✝² : CompleteSpace E
inst✝¹ : MeasurableSpace E
inst✝ : BorelSpace E
p : ℝ≥0∞
hp : 1 ≤ p
hp' : p ≠ ⊤
X : ℕ → Ω → E
hℒp : Memℒp (X 0) p ℙ
hindep : Pairwise fun i j => IndepFun (X i) (X j) ℙ
hident : ∀ (i : ℕ), IdentDistrib (X i) (X 0) ℙ ℙ
hmeas : ∀ (i : ℕ), AEStronglyMeasurable (X i) ℙ
⊢ Tendsto (fun n => snorm (fun ω => (↑n)⁻¹ • ∑ i ∈ range n, X i ω - ∫ (a : Ω), X 0 a) p ℙ) atTop (𝓝 0)

tactic: have hint : Integrable (X 0) ℙ := hℒp.integrable hp
state_before: Ω : Type u_1
inst✝⁶ : MeasureSpace Ω
inst✝⁵ : IsProbabilityMeasure ℙ
E : Type u_2
inst✝⁴ : NormedAddCommGroup E
inst✝³ : NormedSpace ℝ E
inst✝² : CompleteSpace E
inst✝¹ : MeasurableSpace E
inst✝ : BorelSpace E
p : ℝ≥0∞
hp : 1 ≤ p
hp' : p ≠ ⊤
X : ℕ → Ω → E
hℒp : Memℒp (X 0) p ℙ
hindep : Pairwise fun i j => IndepFun (X i) (X j) ℙ
hident : ∀ (i : ℕ), IdentDistrib (X i) (X 0) ℙ ℙ
hmeas : ∀ (i : ℕ), AEStronglyMeasurable (X i) ℙ
⊢ Tendsto (fun n => snorm (fun ω => (↑n)⁻¹ • ∑ i ∈ range n, X i ω - ∫ (a : Ω), X 0 a) p ℙ) atTop (𝓝 0)
state_after: Ω : Type u_1
inst✝⁶ : MeasureSpace Ω
inst✝⁵ : IsProbabilityMeasure ℙ
E : Type u_2
inst✝⁴ : NormedAddCommGroup E
inst✝³ : NormedSpace ℝ E
inst✝² : CompleteSpace E
inst✝¹ : MeasurableSpace E
inst✝ : BorelSpace E
p : ℝ≥0∞
hp : 1 ≤ p
hp' : p ≠ ⊤
X : ℕ → Ω → E
hℒp : Memℒp (X 0) p ℙ
hindep : Pairwise fun i j => IndepFun (X i) (X j) ℙ
hident : ∀ (i : ℕ), IdentDistrib (X i) (X 0) ℙ ℙ
hmeas : ∀ (i : ℕ), AEStronglyMeasurable (X i) ℙ
hint : Integrable (X 0) ℙ
⊢ Tendsto (fun n => snorm (fun ω => (↑n)⁻¹ • ∑ i ∈ range n, X i ω - ∫ (a : Ω), X 0 a) p ℙ) atTop (𝓝 0)

tactic: have havg : ∀ (n : ℕ),
    AEStronglyMeasurable (fun ω => (n : ℝ) ⁻¹ • (∑ i ∈ range n, X i ω)) ℙ := by
  intro n
  exact AEStronglyMeasurable.const_smul (aestronglyMeasurable_sum _ fun i _ => hmeas i) _
state_before: Ω : Type u_1
inst✝⁶ : MeasureSpace Ω
inst✝⁵ : IsProbabilityMeasure ℙ
E : Type u_2
inst✝⁴ : NormedAddCommGroup E
inst✝³ : NormedSpace ℝ E
inst✝² : CompleteSpace E
inst✝¹ : MeasurableSpace E
inst✝ : BorelSpace E
p : ℝ≥0∞
hp : 1 ≤ p
hp' : p ≠ ⊤
X : ℕ → Ω → E
hℒp : Memℒp (X 0) p ℙ
hindep : Pairwise fun i j => IndepFun (X i) (X j) ℙ
hident : ∀ (i : ℕ), IdentDistrib (X i) (X 0) ℙ ℙ
hmeas : ∀ (i : ℕ), AEStronglyMeasurable (X i) ℙ
hint : Integrable (X 0) ℙ
⊢ Tendsto (fun n => snorm (fun ω => (↑n)⁻¹ • ∑ i ∈ range n, X i ω - ∫ (a : Ω), X 0 a) p ℙ) atTop (𝓝 0)
state_after: Ω : Type u_1
inst✝⁶ : MeasureSpace Ω
inst✝⁵ : IsProbabilityMeasure ℙ
E : Type u_2
inst✝⁴ : NormedAddCommGroup E
inst✝³ : NormedSpace ℝ E
inst✝² : CompleteSpace E
inst✝¹ : MeasurableSpace E
inst✝ : BorelSpace E
p : ℝ≥0∞
hp : 1 ≤ p
hp' : p ≠ ⊤
X : ℕ → Ω → E
hℒp : Memℒp (X 0) p ℙ
hindep : Pairwise fun i j => IndepFun (X i) (X j) ℙ
hident : ∀ (i : ℕ), IdentDistrib (X i) (X 0) ℙ ℙ
hmeas : ∀ (i : ℕ), AEStronglyMeasurable (X i) ℙ
hint : Integrable (X 0) ℙ
havg : ∀ (n : ℕ), AEStronglyMeasurable (fun ω => (↑n)⁻¹ • ∑ i ∈ range n, X i ω) ℙ
⊢ Tendsto (fun n => snorm (fun ω => (↑n)⁻¹ • ∑ i ∈ range n, X i ω - ∫ (a : Ω), X 0 a) p ℙ) atTop (𝓝 0)

tactic: refine tendsto_Lp_of_tendstoInMeasure hp hp' havg (memℒp_const _) ?_
  (tendstoInMeasure_of_tendsto_ae havg (strong_law_ae _ hint hindep hident))
state_before: Ω : Type u_1
inst✝⁶ : MeasureSpace Ω
inst✝⁵ : IsProbabilityMeasure ℙ
E : Type u_2
inst✝⁴ : NormedAddCommGroup E
inst✝³ : NormedSpace ℝ E
inst✝² : CompleteSpace E
inst✝¹ : MeasurableSpace E
inst✝ : BorelSpace E
p : ℝ≥0∞
hp : 1 ≤ p
hp' : p ≠ ⊤
X : ℕ → Ω → E
hℒp : Memℒp (X 0) p ℙ
hindep : Pairwise fun i j => IndepFun (X i) (X j) ℙ
hident : ∀ (i : ℕ), IdentDistrib (X i) (X 0) ℙ ℙ
hmeas : ∀ (i : ℕ), AEStronglyMeasurable (X i) ℙ
hint : Integrable (X 0) ℙ
havg : ∀ (n : ℕ), AEStronglyMeasurable (fun ω => (↑n)⁻¹ • ∑ i ∈ range n, X i ω) ℙ
⊢ Tendsto (fun n => snorm (fun ω => (↑n)⁻¹ • ∑ i ∈ range n, X i ω - ∫ (a : Ω), X 0 a) p ℙ) atTop (𝓝 0)
state_after: Ω : Type u_1
inst✝⁶ : MeasureSpace Ω
inst✝⁵ : IsProbabilityMeasure ℙ
E : Type u_2
inst✝⁴ : NormedAddCommGroup E
inst✝³ : NormedSpace ℝ E
inst✝² : CompleteSpace E
inst✝¹ : MeasurableSpace E
inst✝ : BorelSpace E
p : ℝ≥0∞
hp : 1 ≤ p
hp' : p ≠ ⊤
X : ℕ → Ω → E
hℒp : Memℒp (X 0) p ℙ
hindep : Pairwise fun i j => IndepFun (X i) (X j) ℙ
hident : ∀ (i : ℕ), IdentDistrib (X i) (X 0) ℙ ℙ
hmeas : ∀ (i : ℕ), AEStronglyMeasurable (X i) ℙ
hint : Integrable (X 0) ℙ
havg : ∀ (n : ℕ), AEStronglyMeasurable (fun ω => (↑n)⁻¹ • ∑ i ∈ range n, X i ω) ℙ
⊢ UnifIntegrable (fun n ω => (↑n)⁻¹ • ∑ i ∈ range n, X i ω) p ℙ

tactic: rw [(_ : (fun (n : ℕ) ω => (n : ℝ)⁻¹ • (∑ i ∈ range n, X i ω))
          = fun (n : ℕ) => (n : ℝ)⁻¹ • (∑ i ∈ range n, X i))]
state_before: Ω : Type u_1
inst✝⁶ : MeasureSpace Ω
inst✝⁵ : IsProbabilityMeasure ℙ
E : Type u_2
inst✝⁴ : NormedAddCommGroup E
inst✝³ : NormedSpace ℝ E
inst✝² : CompleteSpace E
inst✝¹ : MeasurableSpace E
inst✝ : BorelSpace E
p : ℝ≥0∞
hp : 1 ≤ p
hp' : p ≠ ⊤
X : ℕ → Ω → E
hℒp : Memℒp (X 0) p ℙ
hindep : Pairwise fun i j => IndepFun (X i) (X j) ℙ
hident : ∀ (i : ℕ), IdentDistrib (X i) (X 0) ℙ ℙ
hmeas : ∀ (i : ℕ), AEStronglyMeasurable (X i) ℙ
hint : Integrable (X 0) ℙ
havg : ∀ (n : ℕ), AEStronglyMeasurable (fun ω => (↑n)⁻¹ • ∑ i ∈ range n, X i ω) ℙ
⊢ UnifIntegrable (fun n ω => (↑n)⁻¹ • ∑ i ∈ range n, X i ω) p ℙ
state_after: Ω : Type u_1
inst✝⁶ : MeasureSpace Ω
inst✝⁵ : IsProbabilityMeasure ℙ
E : Type u_2
inst✝⁴ : NormedAddCommGroup E
inst✝³ : NormedSpace ℝ E
inst✝² : CompleteSpace E
inst✝¹ : MeasurableSpace E
inst✝ : BorelSpace E
p : ℝ≥0∞
hp : 1 ≤ p
hp' : p ≠ ⊤
X : ℕ → Ω → E
hℒp : Memℒp (X 0) p ℙ
hindep : Pairwise fun i j => IndepFun (X i) (X j) ℙ
hident : ∀ (i : ℕ), IdentDistrib (X i) (X 0) ℙ ℙ
hmeas : ∀ (i : ℕ), AEStronglyMeasurable (X i) ℙ
hint : Integrable (X 0) ℙ
havg : ∀ (n : ℕ), AEStronglyMeasurable (fun ω => (↑n)⁻¹ • ∑ i ∈ range n, X i ω) ℙ
⊢ UnifIntegrable (fun n => (↑n)⁻¹ • ∑ i ∈ range n, X i) p ℙ

Ω : Type u_1
inst✝⁶ : MeasureSpace Ω
inst✝⁵ : IsProbabilityMeasure ℙ
E : Type u_2
inst✝⁴ : NormedAddCommGroup E
inst✝³ : NormedSpace ℝ E
inst✝² : CompleteSpace E
inst✝¹ : MeasurableSpace E
inst✝ : BorelSpace E
p : ℝ≥0∞
hp : 1 ≤ p
hp' : p ≠ ⊤
X : ℕ → Ω → E
hℒp : Memℒp (X 0) p ℙ
hindep : Pairwise fun i j => IndepFun (X i) (X j) ℙ
hident : ∀ (i : ℕ), IdentDistrib (X i) (X 0) ℙ ℙ
hmeas : ∀ (i : ℕ), AEStronglyMeasurable (X i) ℙ
hint : Integrable (X 0) ℙ
havg : ∀ (n : ℕ), AEStronglyMeasurable (fun ω => (↑n)⁻¹ • ∑ i ∈ range n, X i ω) ℙ
⊢ (fun n ω => (↑n)⁻¹ • ∑ i ∈ range n, X i ω) = fun n => (↑n)⁻¹ • ∑ i ∈ range n, X i

tactic: intro n
state_before: Ω : Type u_1
inst✝⁶ : MeasureSpace Ω
inst✝⁵ : IsProbabilityMeasure ℙ
E : Type u_2
inst✝⁴ : NormedAddCommGroup E
inst✝³ : NormedSpace ℝ E
inst✝² : CompleteSpace E
inst✝¹ : MeasurableSpace E
inst✝ : BorelSpace E
p : ℝ≥0∞
hp : 1 ≤ p
hp' : p ≠ ⊤
X : ℕ → Ω → E
hℒp : Memℒp (X 0) p ℙ
hindep : Pairwise fun i j => IndepFun (X i) (X j) ℙ
hident : ∀ (i : ℕ), IdentDistrib (X i) (X 0) ℙ ℙ
hmeas : ∀ (i : ℕ), AEStronglyMeasurable (X i) ℙ
hint : Integrable (X 0) ℙ
⊢ ∀ (n : ℕ), AEStronglyMeasurable (fun ω => (↑n)⁻¹ • ∑ i ∈ range n, X i ω) ℙ
state_after: Ω : Type u_1
inst✝⁶ : MeasureSpace Ω
inst✝⁵ : IsProbabilityMeasure ℙ
E : Type u_2
inst✝⁴ : NormedAddCommGroup E
inst✝³ : NormedSpace ℝ E
inst✝² : CompleteSpace E
inst✝¹ : MeasurableSpace E
inst✝ : BorelSpace E
p : ℝ≥0∞
hp : 1 ≤ p
hp' : p ≠ ⊤
X : ℕ → Ω → E
hℒp : Memℒp (X 0) p ℙ
hindep : Pairwise fun i j => IndepFun (X i) (X j) ℙ
hident : ∀ (i : ℕ), IdentDistrib (X i) (X 0) ℙ ℙ
hmeas : ∀ (i : ℕ), AEStronglyMeasurable (X i) ℙ
hint : Integrable (X 0) ℙ
n : ℕ
⊢ AEStronglyMeasurable (fun ω => (↑n)⁻¹ • ∑ i ∈ range n, X i ω) ℙ

tactic: exact AEStronglyMeasurable.const_smul (aestronglyMeasurable_sum _ fun i _ => hmeas i) _
state_before: Ω : Type u_1
inst✝⁶ : MeasureSpace Ω
inst✝⁵ : IsProbabilityMeasure ℙ
E : Type u_2
inst✝⁴ : NormedAddCommGroup E
inst✝³ : NormedSpace ℝ E
inst✝² : CompleteSpace E
inst✝¹ : MeasurableSpace E
inst✝ : BorelSpace E
p : ℝ≥0∞
hp : 1 ≤ p
hp' : p ≠ ⊤
X : ℕ → Ω → E
hℒp : Memℒp (X 0) p ℙ
hindep : Pairwise fun i j => IndepFun (X i) (X j) ℙ
hident : ∀ (i : ℕ), IdentDistrib (X i) (X 0) ℙ ℙ
hmeas : ∀ (i : ℕ), AEStronglyMeasurable (X i) ℙ
hint : Integrable (X 0) ℙ
n : ℕ
⊢ AEStronglyMeasurable (fun ω => (↑n)⁻¹ • ∑ i ∈ range n, X i ω) ℙ
state_after: no goals

tactic: apply UniformIntegrable.unifIntegrable
state_before: Ω : Type u_1
inst✝⁶ : MeasureSpace Ω
inst✝⁵ : IsProbabilityMeasure ℙ
E : Type u_2
inst✝⁴ : NormedAddCommGroup E
inst✝³ : NormedSpace ℝ E
inst✝² : CompleteSpace E
inst✝¹ : MeasurableSpace E
inst✝ : BorelSpace E
p : ℝ≥0∞
hp : 1 ≤ p
hp' : p ≠ ⊤
X : ℕ → Ω → E
hℒp : Memℒp (X 0) p ℙ
hindep : Pairwise fun i j => IndepFun (X i) (X j) ℙ
hident : ∀ (i : ℕ), IdentDistrib (X i) (X 0) ℙ ℙ
hmeas : ∀ (i : ℕ), AEStronglyMeasurable (X i) ℙ
hint : Integrable (X 0) ℙ
havg : ∀ (n : ℕ), AEStronglyMeasurable (fun ω => (↑n)⁻¹ • ∑ i ∈ range n, X i ω) ℙ
⊢ UnifIntegrable (fun n => (↑n)⁻¹ • ∑ i ∈ range n, X i) p ℙ
state_after: case hf
Ω : Type u_1
inst✝⁶ : MeasureSpace Ω
inst✝⁵ : IsProbabilityMeasure ℙ
E : Type u_2
inst✝⁴ : NormedAddCommGroup E
inst✝³ : NormedSpace ℝ E
inst✝² : CompleteSpace E
inst✝¹ : MeasurableSpace E
inst✝ : BorelSpace E
p : ℝ≥0∞
hp : 1 ≤ p
hp' : p ≠ ⊤
X : ℕ → Ω → E
hℒp : Memℒp (X 0) p ℙ
hindep : Pairwise fun i j => IndepFun (X i) (X j) ℙ
hident : ∀ (i : ℕ), IdentDistrib (X i) (X 0) ℙ ℙ
hmeas : ∀ (i : ℕ), AEStronglyMeasurable (X i) ℙ
hint : Integrable (X 0) ℙ
havg : ∀ (n : ℕ), AEStronglyMeasurable (fun ω => (↑n)⁻¹ • ∑ i ∈ range n, X i ω) ℙ
⊢ UniformIntegrable (fun n => (↑n)⁻¹ • ∑ i ∈ range n, X i) p ℙ

tactic: apply uniformIntegrable_average hp
state_before: case hf
Ω : Type u_1
inst✝⁶ : MeasureSpace Ω
inst✝⁵ : IsProbabilityMeasure ℙ
E : Type u_2
inst✝⁴ : NormedAddCommGroup E
inst✝³ : NormedSpace ℝ E
inst✝² : CompleteSpace E
inst✝¹ : MeasurableSpace E
inst✝ : BorelSpace E
p : ℝ≥0∞
hp : 1 ≤ p
hp' : p ≠ ⊤
X : ℕ → Ω → E
hℒp : Memℒp (X 0) p ℙ
hindep : Pairwise fun i j => IndepFun (X i) (X j) ℙ
hident : ∀ (i : ℕ), IdentDistrib (X i) (X 0) ℙ ℙ
hmeas : ∀ (i : ℕ), AEStronglyMeasurable (X i) ℙ
hint : Integrable (X 0) ℙ
havg : ∀ (n : ℕ), AEStronglyMeasurable (fun ω => (↑n)⁻¹ • ∑ i ∈ range n, X i ω) ℙ
⊢ UniformIntegrable (fun n => (↑n)⁻¹ • ∑ i ∈ range n, X i) p ℙ
state_after: case hf
Ω : Type u_1
inst✝⁶ : MeasureSpace Ω
inst✝⁵ : IsProbabilityMeasure ℙ
E : Type u_2
inst✝⁴ : NormedAddCommGroup E
inst✝³ : NormedSpace ℝ E
inst✝² : CompleteSpace E
inst✝¹ : MeasurableSpace E
inst✝ : BorelSpace E
p : ℝ≥0∞
hp : 1 ≤ p
hp' : p ≠ ⊤
X : ℕ → Ω → E
hℒp : Memℒp (X 0) p ℙ
hindep : Pairwise fun i j => IndepFun (X i) (X j) ℙ
hident : ∀ (i : ℕ), IdentDistrib (X i) (X 0) ℙ ℙ
hmeas : ∀ (i : ℕ), AEStronglyMeasurable (X i) ℙ
hint : Integrable (X 0) ℙ
havg : ∀ (n : ℕ), AEStronglyMeasurable (fun ω => (↑n)⁻¹ • ∑ i ∈ range n, X i ω) ℙ
⊢ UniformIntegrable X p ℙ

tactic: exact Memℒp.uniformIntegrable_of_identDistrib hp hp' hℒp hident
state_before: case hf
Ω : Type u_1
inst✝⁶ : MeasureSpace Ω
inst✝⁵ : IsProbabilityMeasure ℙ
E : Type u_2
inst✝⁴ : NormedAddCommGroup E
inst✝³ : NormedSpace ℝ E
inst✝² : CompleteSpace E
inst✝¹ : MeasurableSpace E
inst✝ : BorelSpace E
p : ℝ≥0∞
hp : 1 ≤ p
hp' : p ≠ ⊤
X : ℕ → Ω → E
hℒp : Memℒp (X 0) p ℙ
hindep : Pairwise fun i j => IndepFun (X i) (X j) ℙ
hident : ∀ (i : ℕ), IdentDistrib (X i) (X 0) ℙ ℙ
hmeas : ∀ (i : ℕ), AEStronglyMeasurable (X i) ℙ
hint : Integrable (X 0) ℙ
havg : ∀ (n : ℕ), AEStronglyMeasurable (fun ω => (↑n)⁻¹ • ∑ i ∈ range n, X i ω) ℙ
⊢ UniformIntegrable X p ℙ
state_after: no goals

tactic: ext n ω
state_before: Ω : Type u_1
inst✝⁶ : MeasureSpace Ω
inst✝⁵ : IsProbabilityMeasure ℙ
E : Type u_2
inst✝⁴ : NormedAddCommGroup E
inst✝³ : NormedSpace ℝ E
inst✝² : CompleteSpace E
inst✝¹ : MeasurableSpace E
inst✝ : BorelSpace E
p : ℝ≥0∞
hp : 1 ≤ p
hp' : p ≠ ⊤
X : ℕ → Ω → E
hℒp : Memℒp (X 0) p ℙ
hindep : Pairwise fun i j => IndepFun (X i) (X j) ℙ
hident : ∀ (i : ℕ), IdentDistrib (X i) (X 0) ℙ ℙ
hmeas : ∀ (i : ℕ), AEStronglyMeasurable (X i) ℙ
hint : Integrable (X 0) ℙ
havg : ∀ (n : ℕ), AEStronglyMeasurable (fun ω => (↑n)⁻¹ • ∑ i ∈ range n, X i ω) ℙ
⊢ (fun n ω => (↑n)⁻¹ • ∑ i ∈ range n, X i ω) = fun n => (↑n)⁻¹ • ∑ i ∈ range n, X i
state_after: case h.h
Ω : Type u_1
inst✝⁶ : MeasureSpace Ω
inst✝⁵ : IsProbabilityMeasure ℙ
E : Type u_2
inst✝⁴ : NormedAddCommGroup E
inst✝³ : NormedSpace ℝ E
inst✝² : CompleteSpace E
inst✝¹ : MeasurableSpace E
inst✝ : BorelSpace E
p : ℝ≥0∞
hp : 1 ≤ p
hp' : p ≠ ⊤
X : ℕ → Ω → E
hℒp : Memℒp (X 0) p ℙ
hindep : Pairwise fun i j => IndepFun (X i) (X j) ℙ
hident : ∀ (i : ℕ), IdentDistrib (X i) (X 0) ℙ ℙ
hmeas : ∀ (i : ℕ), AEStronglyMeasurable (X i) ℙ
hint : Integrable (X 0) ℙ
havg : ∀ (n : ℕ), AEStronglyMeasurable (fun ω => (↑n)⁻¹ • ∑ i ∈ range n, X i ω) ℙ
n : ℕ
ω : Ω
⊢ (↑n)⁻¹ • ∑ i ∈ range n, X i ω = ((↑n)⁻¹ • ∑ i ∈ range n, X i) ω

tactic: simp only [Pi.smul_apply, sum_apply]
state_before: case h.h
Ω : Type u_1
inst✝⁶ : MeasureSpace Ω
inst✝⁵ : IsProbabilityMeasure ℙ
E : Type u_2
inst✝⁴ : NormedAddCommGroup E
inst✝³ : NormedSpace ℝ E
inst✝² : CompleteSpace E
inst✝¹ : MeasurableSpace E
inst✝ : BorelSpace E
p : ℝ≥0∞
hp : 1 ≤ p
hp' : p ≠ ⊤
X : ℕ → Ω → E
hℒp : Memℒp (X 0) p ℙ
hindep : Pairwise fun i j => IndepFun (X i) (X j) ℙ
hident : ∀ (i : ℕ), IdentDistrib (X i) (X 0) ℙ ℙ
hmeas : ∀ (i : ℕ), AEStronglyMeasurable (X i) ℙ
hint : Integrable (X 0) ℙ
havg : ∀ (n : ℕ), AEStronglyMeasurable (fun ω => (↑n)⁻¹ • ∑ i ∈ range n, X i ω) ℙ
n : ℕ
ω : Ω
⊢ (↑n)⁻¹ • ∑ i ∈ range n, X i ω = ((↑n)⁻¹ • ∑ i ∈ range n, X i) ω
state_after: no goals