theorem extracted_formal_statement_149.{w, v, u} {Z : Type w} {ι : Type v} {f : ι → Z → ℝ} {Ω : Type u}
  [inst : MeasurableSpace Ω] {X : Ω → Z} {μ : Measure Ω} [inst_1 : IsProbabilityMeasure μ] [inst_2 : Countable ι]
  [inst_3 : Nonempty ι] (h𝓕 : ∀ (I : ι), Measurable (f I ∘ X)) {b : ℝ} (h𝓕' : ∀ (I : ι) (z : Z), |f I z| ≤ b) {n : ℕ}
  {c : ι → ℝ} {C : ℝ} (hC : ∀ (I : ι), |c I| ≤ C) (ω : (Ω × Ω) × (Fin n → Ω × Ω))
  (this :
    |∑ σ,
          ⨆ I,
            ∑ i, ↑↑(σ ↑↑i) * (f I (X (ω.2 i).1) - f I (X (ω.2 i).2)) +
              (↑↑(σ ↑n) * (f I (X ω.1.1) - f I (X ω.1.2)) + c I)| ≤
      2 ^ (n + 1) * (↑n * (b + b) + (b + b + C))) :
  2⁻¹ ^ (n + 1) * (2 ^ (n + 1) * (↑n * (b + b) + (b + b + C))) = ↑n * (b + b) + (b + b + C) := sorry

State before:
Z : Type w
ι : Type v
f : ι → Z → ℝ
Ω : Type u
inst✝³ : MeasurableSpace Ω
X : Ω → Z
μ : Measure Ω
inst✝² : IsProbabilityMeasure μ
inst✝¹ : Countable ι
inst✝ : Nonempty ι
h𝓕 : ∀ (I : ι), Measurable (f I ∘ X)
b : ℝ
h𝓕' : ∀ (I : ι) (z : Z), |f I z| ≤ b
n : ℕ
c : ι → ℝ
C : ℝ
hC : ∀ (I : ι), |c I| ≤ C
ω : (Ω × Ω) × (Fin n → Ω × Ω)
this :
  |∑ σ,
        ⨆ I,
          ∑ i, ↑↑(σ ↑↑i) * (f I (X (ω.2 i).1) - f I (X (ω.2 i).2)) +
            (↑↑(σ ↑n) * (f I (X ω.1.1) - f I (X ω.1.2)) + c I)| ≤
    2 ^ (n + 1) * (↑n * (b + b) + (b + b + C))
⊢ 2⁻¹ ^ (n + 1) * (2 ^ (n + 1) * (↑n * (b + b) + (b + b + C))) = ↑n * (b + b) + (b + b + C)

Tactic: simp

State after:

Relevant lemmas: