mathlib-initiative/mathlib-tactics huggingface dataset:
Module: Mathlib.MeasureTheory.Function.ConvergenceInMeasure

Goal state before:
pp: case neg
α : Type u_1
E : Type u_4
m : MeasurableSpace α
μ : Measure α
inst✝¹ : PseudoEMetricSpace E
f : ℕ → α → E
g : α → E
inst✝ : IsFiniteMeasure μ
hf : ∀ (n : ℕ), Measurable fun a ↦ edist (f n a) (g a)
hfg : ∀ᵐ (x : α) ∂μ, Tendsto (fun n ↦ f n x) atTop (𝓝 (g x))
ε : ℝ≥0∞
hε : 0 < ε
δ : ℝ≥0
hδ : 0 < ↑δ
t : Set α
left✝ : MeasurableSet t
ht : μ t ≤ ↑δ
hunif : ∀ ε > 0, ∀ᶠ (n : ℕ) in atTop, ∀ x ∈ tᶜ, edist (g x) (f n x) < ε
⊢ ∃ N, ∀ n ≥ N, μ {x | ε ≤ edist (f n x) (g x)} ≤ ↑δ

Tactic:
]

Goal state after:
case neg
α : Type u_1
E : Type u_4
m : MeasurableSpace α
μ : Measure α
inst✝¹ : PseudoEMetricSpace E
f : ℕ → α → E
g : α → E
inst✝ : IsFiniteMeasure μ
hf : ∀ (n : ℕ), Measurable fun a ↦ edist (f n a) (g a)
hfg : ∀ᵐ (x : α) ∂μ, Tendsto (fun n ↦ f n x) atTop (𝓝 (g x))
ε : ℝ≥0∞
hε : 0 < ε
δ : ℝ≥0
hδ : 0 < ↑δ
t : Set α
left✝ : MeasurableSet t
ht : μ t ≤ ↑δ
hunif : ∀ ε > 0, ∀ᶠ (n : ℕ) in atTop, ∀ x ∈ tᶜ, edist (g x) (f n x) < ε
⊢ ∃ N, ∀ n ≥ N, μ {x | ε ≤ edist (f n x) (g x)} ≤ ↑δ
Module: Mathlib.MeasureTheory.Function.LpSpace.Basic

Goal state before:
pp: α : Type u_1
E : Type u_4
m : MeasurableSpace α
p : ℝ≥0∞
μ : Measure α
inst✝ : NormedAddCommGroup E
f : ↥(Lp E p μ)
⊢ ↑↑f =ᵐ[μ] ↑↑0 ↔ ↑↑f =ᵐ[μ] 0

Tactic:
]

Goal state after:
α : Type u_1
E : Type u_4
m : MeasurableSpace α
p : ℝ≥0∞
μ : Measure α
inst✝ : NormedAddCommGroup E
f : ↥(Lp E p μ)
⊢ ↑↑f =ᵐ[μ] ↑↑0 ↔ ↑↑f =ᵐ[μ] 0
Module: Mathlib.MeasureTheory.Function.LpSpace.Basic

Goal state before:
pp: α : Type u_1
E : Type u_4
m : MeasurableSpace α
p : ℝ≥0∞
μ : Measure α
inst✝ : NormedAddCommGroup E
f : ↥(Lp E p μ)
⊢ (eLpNorm (↑↑f) p μ).toNNReal = (eLpNorm (↑↑f) p μ).toNNReal

Tactic:
]

Goal state after:
Module: Mathlib.MeasureTheory.Function.LpSpace.Basic

Goal state before:
pp: α : Type u_1
E : Type u_4
m : MeasurableSpace α
p : ℝ≥0∞
μ : Measure α
inst✝ : NormedAddCommGroup E
f : ↥(Lp E p μ)
⊢ ‖-f‖₊ = ‖f‖₊

Tactic:
by
  rw [nnnorm_def, nnnorm_def, eLpNorm_congr_ae (coeFn_neg _), eLpNorm_neg]

Goal state after:
Module: Mathlib.MeasureTheory.Function.ConvergenceInMeasure

Goal state before:
pp: case neg
α : Type u_1
E : Type u_4
m : MeasurableSpace α
μ : Measure α
inst✝¹ : PseudoEMetricSpace E
f : ℕ → α → E
g : α → E
inst✝ : IsFiniteMeasure μ
hf : ∀ (n : ℕ), Measurable fun a ↦ edist (f n a) (g a)
hfg : ∀ᵐ (x : α) ∂μ, Tendsto (fun n ↦ f n x) atTop (𝓝 (g x))
ε : ℝ≥0∞
hε : 0 < ε
δ : ℝ≥0
hδ : 0 < ↑δ
t : Set α
left✝ : MeasurableSet t
ht : μ t ≤ ↑δ
hunif : ∀ ε > 0, ∀ᶠ (n : ℕ) in atTop, ∀ x ∈ tᶜ, edist (g x) (f n x) < ε
N : ℕ
hN : ∀ (b : ℕ), N ≤ b → ∀ x ∈ tᶜ, edist (g x) (f b x) < ε
n : ℕ
hn : n ≥ N
⊢ tᶜ ⊆ {x | ε ≤ edist (f n x) (g x)}ᶜ

Tactic:
]

Goal state after:
case neg
α : Type u_1
E : Type u_4
m : MeasurableSpace α
μ : Measure α
inst✝¹ : PseudoEMetricSpace E
f : ℕ → α → E
g : α → E
inst✝ : IsFiniteMeasure μ
hf : ∀ (n : ℕ), Measurable fun a ↦ edist (f n a) (g a)
hfg : ∀ᵐ (x : α) ∂μ, Tendsto (fun n ↦ f n x) atTop (𝓝 (g x))
ε : ℝ≥0∞
hε : 0 < ε
δ : ℝ≥0
hδ : 0 < ↑δ
t : Set α
left✝ : MeasurableSet t
ht : μ t ≤ ↑δ
hunif : ∀ ε > 0, ∀ᶠ (n : ℕ) in atTop, ∀ x ∈ tᶜ, edist (g x) (f n x) < ε
N : ℕ
hN : ∀ (b : ℕ), N ≤ b → ∀ x ∈ tᶜ, edist (g x) (f b x) < ε
n : ℕ
hn : n ≥ N
⊢ tᶜ ⊆ {x | ε ≤ edist (f n x) (g x)}ᶜ
Module: Mathlib.MeasureTheory.Function.LpSpace.Complete

Goal state before:
pp: α : Type u_1
m : MeasurableSpace α
p : ℝ≥0∞
μ : Measure α
E : Type u_3
inst✝ : NormedAddCommGroup E
hp : Fact (1 ≤ p)
H :
  ∀ (f : ℕ → α → E),
    (∀ (n : ℕ), MemLp (f n) p μ) →
      ∀ (B : ℕ → ℝ≥0∞),
        ∑' (i : ℕ), B i < ∞ →
          (∀ (N n m_1 : ℕ), N ≤ n → N ≤ m_1 → eLpNorm (f n - f m_1) p μ < B N) →
            ∃ f_lim, MemLp f_lim p μ ∧ Tendsto (fun n ↦ eLpNorm (f n - f_lim) p μ) atTop (𝓝 0)
B : ℕ → ℝ := fun n ↦ (1 / 2) ^ n
hB_pos : ∀ (n : ℕ), 0 < B n
f : ℕ → ↥(Lp E p μ)
hf : ∀ (N n m_1 : ℕ), N ≤ n → N ≤ m_1 → dist (f n) (f m_1) < B N
M : ℝ
hB : HasSum B M
B1 : ℕ → ℝ≥0∞ := fun n ↦ ENNReal.ofReal (B n)
h_tsum_B1 : ∑' (i : ℕ), B1 i = ENNReal.ofReal M
h_sum : HasSum B1 (ENNReal.ofReal M)
⊢ HasSum B1 (ENNReal.ofReal M)

Tactic:
]

Goal state after:
α : Type u_1
m : MeasurableSpace α
p : ℝ≥0∞
μ : Measure α
E : Type u_3
inst✝ : NormedAddCommGroup E
hp : Fact (1 ≤ p)
H :
  ∀ (f : ℕ → α → E),
    (∀ (n : ℕ), MemLp (f n) p μ) →
      ∀ (B : ℕ → ℝ≥0∞),
        ∑' (i : ℕ), B i < ∞ →
          (∀ (N n m_1 : ℕ), N ≤ n → N ≤ m_1 → eLpNorm (f n - f m_1) p μ < B N) →
            ∃ f_lim, MemLp f_lim p μ ∧ Tendsto (fun n ↦ eLpNorm (f n - f_lim) p μ) atTop (𝓝 0)
B : ℕ → ℝ := fun n ↦ (1 / 2) ^ n
hB_pos : ∀ (n : ℕ), 0 < B n
f : ℕ → ↥(Lp E p μ)
hf : ∀ (N n m_1 : ℕ), N ≤ n → N ≤ m_1 → dist (f n) (f m_1) < B N
M : ℝ
hB : HasSum B M
B1 : ℕ → ℝ≥0∞ := fun n ↦ ENNReal.ofReal (B n)
h_tsum_B1 : ∑' (i : ℕ), B1 i = ENNReal.ofReal M
h_sum : HasSum B1 (ENNReal.ofReal M)
⊢ HasSum B1 (ENNReal.ofReal M)
Module: Mathlib.MeasureTheory.Function.LpSpace.Complete

Goal state before:
pp: α : Type u_1
m : MeasurableSpace α
p : ℝ≥0∞
μ : Measure α
E : Type u_3
inst✝ : NormedAddCommGroup E
hp : Fact (1 ≤ p)
H :
  ∀ (f : ℕ → α → E),
    (∀ (n : ℕ), MemLp (f n) p μ) →
      ∀ (B : ℕ → ℝ≥0∞),
        ∑' (i : ℕ), B i < ∞ →
          (∀ (N n m_1 : ℕ), N ≤ n → N ≤ m_1 → eLpNorm (f n - f m_1) p μ < B N) →
            ∃ f_lim, MemLp f_lim p μ ∧ Tendsto (fun n ↦ eLpNorm (f n - f_lim) p μ) atTop (𝓝 0)
B : ℕ → ℝ := fun n ↦ (1 / 2) ^ n
hB_pos : ∀ (n : ℕ), 0 < B n
f : ℕ → ↥(Lp E p μ)
hf : ∀ (N n m_1 : ℕ), N ≤ n → N ≤ m_1 → dist (f n) (f m_1) < B N
M : ℝ
hB : HasSum B M
B1 : ℕ → ℝ≥0∞ := fun n ↦ ENNReal.ofReal (B n)
hB1_has : HasSum B1 (ENNReal.ofReal M)
⊢ ENNReal.ofReal M < ∞

Tactic:
]

Goal state after:
α : Type u_1
m : MeasurableSpace α
p : ℝ≥0∞
μ : Measure α
E : Type u_3
inst✝ : NormedAddCommGroup E
hp : Fact (1 ≤ p)
H :
  ∀ (f : ℕ → α → E),
    (∀ (n : ℕ), MemLp (f n) p μ) →
      ∀ (B : ℕ → ℝ≥0∞),
        ∑' (i : ℕ), B i < ∞ →
          (∀ (N n m_1 : ℕ), N ≤ n → N ≤ m_1 → eLpNorm (f n - f m_1) p μ < B N) →
            ∃ f_lim, MemLp f_lim p μ ∧ Tendsto (fun n ↦ eLpNorm (f n - f_lim) p μ) atTop (𝓝 0)
B : ℕ → ℝ := fun n ↦ (1 / 2) ^ n
hB_pos : ∀ (n : ℕ), 0 < B n
f : ℕ → ↥(Lp E p μ)
hf : ∀ (N n m_1 : ℕ), N ≤ n → N ≤ m_1 → dist (f n) (f m_1) < B N
M : ℝ
hB : HasSum B M
B1 : ℕ → ℝ≥0∞ := fun n ↦ ENNReal.ofReal (B n)
hB1_has : HasSum B1 (ENNReal.ofReal M)
⊢ ENNReal.ofReal M < ∞
Module: Mathlib.MeasureTheory.Function.LpSpace.Basic

Goal state before:
pp: α : Type u_1
E : Type u_4
F : Type u_5
m : MeasurableSpace α
p : ℝ≥0∞
μ : Measure α
inst✝¹ : NormedAddCommGroup E
inst✝ : NormedAddCommGroup F
c : ℝ≥0
f : ↥(Lp E p μ)
g : ↥(Lp F p μ)
h : ∀ᵐ (x : α) ∂μ, ‖↑↑f x‖₊ ≤ c * ‖↑↑g x‖₊
this : (eLpNorm (↑↑f) p μ).toNNReal ≤ c * (eLpNorm (↑↑g) p μ).toNNReal
⊢ (eLpNorm (↑↑f) p μ).toNNReal ≤ c * (eLpNorm (↑↑g) p μ).toNNReal

pp: case ha
α : Type u_1
E : Type u_4
F : Type u_5
m : MeasurableSpace α
p : ℝ≥0∞
μ : Measure α
inst✝¹ : NormedAddCommGroup E
inst✝ : NormedAddCommGroup F
c : ℝ≥0
f : ↥(Lp E p μ)
g : ↥(Lp F p μ)
h : ∀ᵐ (x : α) ∂μ, ‖↑↑f x‖₊ ≤ c * ‖↑↑g x‖₊
this : eLpNorm (↑↑f) p μ ≤ c • eLpNorm (↑↑g) p μ
⊢ eLpNorm (↑↑f) p μ ≠ ∞

pp: case hb
α : Type u_1
E : Type u_4
F : Type u_5
m : MeasurableSpace α
p : ℝ≥0∞
μ : Measure α
inst✝¹ : NormedAddCommGroup E
inst✝ : NormedAddCommGroup F
c : ℝ≥0
f : ↥(Lp E p μ)
g : ↥(Lp F p μ)
h : ∀ᵐ (x : α) ∂μ, ‖↑↑f x‖₊ ≤ c * ‖↑↑g x‖₊
this : eLpNorm (↑↑f) p μ ≤ c • eLpNorm (↑↑g) p μ
⊢ c • eLpNorm (↑↑g) p μ ≠ ∞

Tactic:
]

Goal state after:
α : Type u_1
E : Type u_4
F : Type u_5
m : MeasurableSpace α
p : ℝ≥0∞
μ : Measure α
inst✝¹ : NormedAddCommGroup E
inst✝ : NormedAddCommGroup F
c : ℝ≥0
f : ↥(Lp E p μ)
g : ↥(Lp F p μ)
h : ∀ᵐ (x : α) ∂μ, ‖↑↑f x‖₊ ≤ c * ‖↑↑g x‖₊
this : (eLpNorm (↑↑f) p μ).toNNReal ≤ c * (eLpNorm (↑↑g) p μ).toNNReal
⊢ (eLpNorm (↑↑f) p μ).toNNReal ≤ c * (eLpNorm (↑↑g) p μ).toNNReal

case ha
α : Type u_1
E : Type u_4
F : Type u_5
m : MeasurableSpace α
p : ℝ≥0∞
μ : Measure α
inst✝¹ : NormedAddCommGroup E
inst✝ : NormedAddCommGroup F
c : ℝ≥0
f : ↥(Lp E p μ)
g : ↥(Lp F p μ)
h : ∀ᵐ (x : α) ∂μ, ‖↑↑f x‖₊ ≤ c * ‖↑↑g x‖₊
this : eLpNorm (↑↑f) p μ ≤ c • eLpNorm (↑↑g) p μ
⊢ eLpNorm (↑↑f) p μ ≠ ∞

case hb
α : Type u_1
E : Type u_4
F : Type u_5
m : MeasurableSpace α
p : ℝ≥0∞
μ : Measure α
inst✝¹ : NormedAddCommGroup E
inst✝ : NormedAddCommGroup F
c : ℝ≥0
f : ↥(Lp E p μ)
g : ↥(Lp F p μ)
h : ∀ᵐ (x : α) ∂μ, ‖↑↑f x‖₊ ≤ c * ‖↑↑g x‖₊
this : eLpNorm (↑↑f) p μ ≤ c • eLpNorm (↑↑g) p μ
⊢ c • eLpNorm (↑↑g) p μ ≠ ∞
Module: Mathlib.Analysis.MeanInequalities

Goal state before:
pp: ι : Type u
g : ι → ℝ
p : ℝ
hp : 1 ≤ p
hg : ∀ (i : ι), 0 ≤ g i
hg_sum : Summable fun i ↦ g i ^ p
f : ι → ℝ≥0
hf_sum : Summable fun i ↦ (fun i ↦ ↑(f i)) i ^ p
⊢ (Summable fun i ↦ ((fun i ↦ ↑(f i)) i + g i) ^ p) ∧
    (∑' (i : ι), ((fun i ↦ ↑(f i)) i + g i) ^ p) ^ (1 / p) ≤
      (∑' (i : ι), (fun i ↦ ↑(f i)) i ^ p) ^ (1 / p) + (∑' (i : ι), g i ^ p) ^ (1 / p)

Tactic:
lift g to ι → ℝ≥0 using hg

Goal state after:
ι : Type u
p : ℝ
hp : 1 ≤ p
f : ι → ℝ≥0
hf_sum : Summable fun i ↦ (fun i ↦ ↑(f i)) i ^ p
g : ι → ℝ≥0
hg_sum : Summable fun i ↦ (fun i ↦ ↑(g i)) i ^ p
⊢ (Summable fun i ↦ ((fun i ↦ ↑(f i)) i + (fun i ↦ ↑(g i)) i) ^ p) ∧
    (∑' (i : ι), ((fun i ↦ ↑(f i)) i + (fun i ↦ ↑(g i)) i) ^ p) ^ (1 / p) ≤
      (∑' (i : ι), (fun i ↦ ↑(f i)) i ^ p) ^ (1 / p) + (∑' (i : ι), (fun i ↦ ↑(g i)) i ^ p) ^ (1 / p)
Module: Mathlib.MeasureTheory.Function.ConvergenceInMeasure

Goal state before:
pp: case neg
α : Type u_1
E : Type u_4
m : MeasurableSpace α
μ : Measure α
inst✝¹ : PseudoEMetricSpace E
f : ℕ → α → E
g : α → E
inst✝ : IsFiniteMeasure μ
hf : ∀ (n : ℕ), Measurable fun a ↦ edist (f n a) (g a)
hfg : ∀ᵐ (x : α) ∂μ, Tendsto (fun n ↦ f n x) atTop (𝓝 (g x))
ε : ℝ≥0∞
hε : 0 < ε
δ : ℝ≥0
hδ : 0 < ↑δ
t : Set α
left✝ : MeasurableSet t
ht : μ t ≤ ↑δ
hunif : ∀ ε > 0, ∀ᶠ (n : ℕ) in atTop, ∀ x ∈ tᶜ, edist (g x) (f n x) < ε
N : ℕ
hN : ∀ (b : ℕ), N ≤ b → ∀ x ∈ tᶜ, edist (g x) (f b x) < ε
n : ℕ
hn : n ≥ N
x : α
hx : x ∈ tᶜ
⊢ edist (g x) (f n x) < ε

Tactic:
]

Goal state after:
case neg
α : Type u_1
E : Type u_4
m : MeasurableSpace α
μ : Measure α
inst✝¹ : PseudoEMetricSpace E
f : ℕ → α → E
g : α → E
inst✝ : IsFiniteMeasure μ
hf : ∀ (n : ℕ), Measurable fun a ↦ edist (f n a) (g a)
hfg : ∀ᵐ (x : α) ∂μ, Tendsto (fun n ↦ f n x) atTop (𝓝 (g x))
ε : ℝ≥0∞
hε : 0 < ε
δ : ℝ≥0
hδ : 0 < ↑δ
t : Set α
left✝ : MeasurableSet t
ht : μ t ≤ ↑δ
hunif : ∀ ε > 0, ∀ᶠ (n : ℕ) in atTop, ∀ x ∈ tᶜ, edist (g x) (f n x) < ε
N : ℕ
hN : ∀ (b : ℕ), N ≤ b → ∀ x ∈ tᶜ, edist (g x) (f b x) < ε
n : ℕ
hn : n ≥ N
x : α
hx : x ∈ tᶜ
⊢ edist (g x) (f n x) < ε
Module: Mathlib.Analysis.MeanInequalities

Goal state before:
pp: ι : Type u
g : ι → ℝ
p : ℝ
hp : 1 ≤ p
hg : ∀ (i : ι), 0 ≤ g i
A B : ℝ
hA : 0 ≤ A
hB : 0 ≤ B
hgB : HasSum (fun i ↦ g i ^ p) (B ^ p)
f : ι → ℝ≥0
hfA : HasSum (fun i ↦ (fun i ↦ ↑(f i)) i ^ p) (A ^ p)
⊢ ∃ C, 0 ≤ C ∧ C ≤ A + B ∧ HasSum (fun i ↦ ((fun i ↦ ↑(f i)) i + g i) ^ p) (C ^ p)

Tactic:
lift g to ι → ℝ≥0 using hg

Goal state after:
ι : Type u
p : ℝ
hp : 1 ≤ p
A B : ℝ
hA : 0 ≤ A
hB : 0 ≤ B
f : ι → ℝ≥0
hfA : HasSum (fun i ↦ (fun i ↦ ↑(f i)) i ^ p) (A ^ p)
g : ι → ℝ≥0
hgB : HasSum (fun i ↦ (fun i ↦ ↑(g i)) i ^ p) (B ^ p)
⊢ ∃ C, 0 ≤ C ∧ C ≤ A + B ∧ HasSum (fun i ↦ ((fun i ↦ ↑(f i)) i + (fun i ↦ ↑(g i)) i) ^ p) (C ^ p)
Module: Mathlib.MeasureTheory.Function.LpSpace.Basic

Goal state before:
pp: case inl
α : Type u_1
E : Type u_4
F : Type u_5
m : MeasurableSpace α
p : ℝ≥0∞
μ : Measure α
inst✝¹ : NormedAddCommGroup E
inst✝ : NormedAddCommGroup F
c : ℝ
f : ↥(Lp E p μ)
g : ↥(Lp F p μ)
h : ∀ᵐ (x : α) ∂μ, ‖↑↑f x‖ ≤ c * ‖↑↑g x‖
hc : 0 ≤ c
⊢ ‖f‖ ≤ c * ‖g‖

pp: case inr
α : Type u_1
E : Type u_4
F : Type u_5
m : MeasurableSpace α
p : ℝ≥0∞
μ : Measure α
inst✝¹ : NormedAddCommGroup E
inst✝ : NormedAddCommGroup F
c : ℝ
f : ↥(Lp E p μ)
g : ↥(Lp F p μ)
h : ∀ᵐ (x : α) ∂μ, ‖↑↑f x‖ ≤ c * ‖↑↑g x‖
hc : c < 0
⊢ ‖f‖ ≤ c * ‖g‖

Tactic:
· lift c to ℝ≥0 using hc
    exact NNReal.coe_le_coe.mpr (nnnorm_le_mul_nnnorm_of_ae_le_mul h)

Goal state after:
case inr
α : Type u_1
E : Type u_4
F : Type u_5
m : MeasurableSpace α
p : ℝ≥0∞
μ : Measure α
inst✝¹ : NormedAddCommGroup E
inst✝ : NormedAddCommGroup F
c : ℝ
f : ↥(Lp E p μ)
g : ↥(Lp F p μ)
h : ∀ᵐ (x : α) ∂μ, ‖↑↑f x‖ ≤ c * ‖↑↑g x‖
hc : c < 0
⊢ ‖f‖ ≤ c * ‖g‖
Module: Mathlib.MeasureTheory.Function.LpSpace.Complete

Goal state before:
pp: α : Type u_1
m✝ : MeasurableSpace α
p : ℝ≥0∞
μ : Measure α
E : Type u_3
inst✝ : NormedAddCommGroup E
hp : Fact (1 ≤ p)
H :
  ∀ (f : ℕ → α → E),
    (∀ (n : ℕ), MemLp (f n) p μ) →
      ∀ (B : ℕ → ℝ≥0∞),
        ∑' (i : ℕ), B i < ∞ →
          (∀ (N n m : ℕ), N ≤ n → N ≤ m → eLpNorm (f n - f m) p μ < B N) →
            ∃ f_lim, MemLp f_lim p μ ∧ Tendsto (fun n ↦ eLpNorm (f n - f_lim) p μ) atTop (𝓝 0)
B : ℕ → ℝ := fun n ↦ (1 / 2) ^ n
hB_pos : ∀ (n : ℕ), 0 < B n
f : ℕ → ↥(Lp E p μ)
M : ℝ
hB : HasSum B M
B1 : ℕ → ℝ≥0∞ := fun n ↦ ENNReal.ofReal (B n)
hB1_has : HasSum B1 (ENNReal.ofReal M)
hB1 : ∑' (i : ℕ), B1 i < ∞
f1 : ℕ → α → E := fun n ↦ ↑↑(f n)
N n m : ℕ
hf : (eLpNorm (↑↑(f n) - ↑↑(f m)) p μ).toReal < B N
hn : N ≤ n
hm : N ≤ m
⊢ eLpNorm (f1 n - f1 m) p μ < B1 N

Tactic:
]

Goal state after:
α : Type u_1
m✝ : MeasurableSpace α
p : ℝ≥0∞
μ : Measure α
E : Type u_3
inst✝ : NormedAddCommGroup E
hp : Fact (1 ≤ p)
H :
  ∀ (f : ℕ → α → E),
    (∀ (n : ℕ), MemLp (f n) p μ) →
      ∀ (B : ℕ → ℝ≥0∞),
        ∑' (i : ℕ), B i < ∞ →
          (∀ (N n m : ℕ), N ≤ n → N ≤ m → eLpNorm (f n - f m) p μ < B N) →
            ∃ f_lim, MemLp f_lim p μ ∧ Tendsto (fun n ↦ eLpNorm (f n - f_lim) p μ) atTop (𝓝 0)
B : ℕ → ℝ := fun n ↦ (1 / 2) ^ n
hB_pos : ∀ (n : ℕ), 0 < B n
f : ℕ → ↥(Lp E p μ)
M : ℝ
hB : HasSum B M
B1 : ℕ → ℝ≥0∞ := fun n ↦ ENNReal.ofReal (B n)
hB1_has : HasSum B1 (ENNReal.ofReal M)
hB1 : ∑' (i : ℕ), B1 i < ∞
f1 : ℕ → α → E := fun n ↦ ↑↑(f n)
N n m : ℕ
hf : (eLpNorm (↑↑(f n) - ↑↑(f m)) p μ).toReal < B N
hn : N ≤ n
hm : N ≤ m
⊢ eLpNorm (f1 n - f1 m) p μ < B1 N
Module: Mathlib.MeasureTheory.Function.LpSpace.Basic

Goal state before:
pp: α : Type u_1
E : Type u_4
F : Type u_5
m : MeasurableSpace α
p : ℝ≥0∞
μ : Measure α
inst✝¹ : NormedAddCommGroup E
inst✝ : NormedAddCommGroup F
f : ↥(Lp E p μ)
g : ↥(Lp F p μ)
h : ∀ᵐ (x : α) ∂μ, ‖↑↑f x‖ ≤ ‖↑↑g x‖
⊢ (eLpNorm (↑↑f) p μ).toReal ≤ (eLpNorm (↑↑g) p μ).toReal

Tactic:
]

Goal state after:
α : Type u_1
E : Type u_4
F : Type u_5
m : MeasurableSpace α
p : ℝ≥0∞
μ : Measure α
inst✝¹ : NormedAddCommGroup E
inst✝ : NormedAddCommGroup F
f : ↥(Lp E p μ)
g : ↥(Lp F p μ)
h : ∀ᵐ (x : α) ∂μ, ‖↑↑f x‖ ≤ ‖↑↑g x‖
⊢ (eLpNorm (↑↑f) p μ).toReal ≤ (eLpNorm (↑↑g) p μ).toReal
Module: Mathlib.MeasureTheory.Function.LpSpace.Complete

Goal state before:
pp: α : Type u_1
m✝ : MeasurableSpace α
p : ℝ≥0∞
μ : Measure α
E : Type u_3
inst✝ : NormedAddCommGroup E
hp : Fact (1 ≤ p)
H :
  ∀ (f : ℕ → α → E),
    (∀ (n : ℕ), MemLp (f n) p μ) →
      ∀ (B : ℕ → ℝ≥0∞),
        ∑' (i : ℕ), B i < ∞ →
          (∀ (N n m : ℕ), N ≤ n → N ≤ m → eLpNorm (f n - f m) p μ < B N) →
            ∃ f_lim, MemLp f_lim p μ ∧ Tendsto (fun n ↦ eLpNorm (f n - f_lim) p μ) atTop (𝓝 0)
B : ℕ → ℝ := fun n ↦ (1 / 2) ^ n
hB_pos : ∀ (n : ℕ), 0 < B n
f : ℕ → ↥(Lp E p μ)
M : ℝ
hB : HasSum B M
B1 : ℕ → ℝ≥0∞ := fun n ↦ ENNReal.ofReal (B n)
hB1_has : HasSum B1 (ENNReal.ofReal M)
hB1 : ∑' (i : ℕ), B1 i < ∞
f1 : ℕ → α → E := fun n ↦ ↑↑(f n)
N n m : ℕ
hf : (eLpNorm (↑↑(f n) - ↑↑(f m)) p μ).toReal < B N
hn : N ≤ n
hm : N ≤ m
⊢ eLpNorm (↑↑(f n - f m)) p μ ≠ ∞

Tactic:
]

Goal state after:
α : Type u_1
m✝ : MeasurableSpace α
p : ℝ≥0∞
μ : Measure α
E : Type u_3
inst✝ : NormedAddCommGroup E
hp : Fact (1 ≤ p)
H :
  ∀ (f : ℕ → α → E),
    (∀ (n : ℕ), MemLp (f n) p μ) →
      ∀ (B : ℕ → ℝ≥0∞),
        ∑' (i : ℕ), B i < ∞ →
          (∀ (N n m : ℕ), N ≤ n → N ≤ m → eLpNorm (f n - f m) p μ < B N) →
            ∃ f_lim, MemLp f_lim p μ ∧ Tendsto (fun n ↦ eLpNorm (f n - f_lim) p μ) atTop (𝓝 0)
B : ℕ → ℝ := fun n ↦ (1 / 2) ^ n
hB_pos : ∀ (n : ℕ), 0 < B n
f : ℕ → ↥(Lp E p μ)
M : ℝ
hB : HasSum B M
B1 : ℕ → ℝ≥0∞ := fun n ↦ ENNReal.ofReal (B n)
hB1_has : HasSum B1 (ENNReal.ofReal M)
hB1 : ∑' (i : ℕ), B1 i < ∞
f1 : ℕ → α → E := fun n ↦ ↑↑(f n)
N n m : ℕ
hf : (eLpNorm (↑↑(f n) - ↑↑(f m)) p μ).toReal < B N
hn : N ≤ n
hm : N ≤ m
⊢ eLpNorm (↑↑(f n - f m)) p μ ≠ ∞
Module: Mathlib.MeasureTheory.Function.LpSpace.Basic

Goal state before:
pp: case neg
α : Type u_1
E : Type u_4
m : MeasurableSpace α
p : ℝ≥0∞
μ : Measure α
inst✝¹ : NormedAddCommGroup E
inst✝ : IsFiniteMeasure μ
f : ↥(Lp E p μ)
C : ℝ≥0
hfC : ∀ᵐ (x : α) ∂μ, ‖↑↑f x‖₊ ≤ C
hμ : ¬μ = 0
⊢ eLpNorm (↑↑f) p μ ≤ ↑(measureUnivNNReal μ ^ p.toReal⁻¹ * C)

Tactic:
]

Goal state after:
case neg
α : Type u_1
E : Type u_4
m : MeasurableSpace α
p : ℝ≥0∞
μ : Measure α
inst✝¹ : NormedAddCommGroup E
inst✝ : IsFiniteMeasure μ
f : ↥(Lp E p μ)
C : ℝ≥0
hfC : ∀ᵐ (x : α) ∂μ, ‖↑↑f x‖₊ ≤ C
hμ : ¬μ = 0
⊢ eLpNorm (↑↑f) p μ ≤ ↑(measureUnivNNReal μ ^ p.toReal⁻¹ * C)
Module: Mathlib.MeasureTheory.Function.ConvergenceInMeasure

Goal state before:
pp: α : Type u_1
E : Type u_4
m : MeasurableSpace α
μ : Measure α
inst✝¹ : PseudoEMetricSpace E
f : ℕ → α → E
g : α → E
inst✝ : IsFiniteMeasure μ
hf : ∀ (n : ℕ), AEStronglyMeasurable (f n) μ
hfg : ∀ᵐ (x : α) ∂μ, Tendsto (fun n ↦ f n x) atTop (𝓝 (g x))
hg : AEStronglyMeasurable g μ
hf_eq_ae : ∀ᵐ (x : α) ∂μ, ∀ (n : ℕ), AEStronglyMeasurable.mk (f n) ⋯ x = f n x
x : α
hxf : ∀ (n : ℕ), AEStronglyMeasurable.mk (f n) ⋯ x = f n x
hxg : g x = AEStronglyMeasurable.mk g hg x
hxfg : Tendsto (fun n ↦ f n x) atTop (𝓝 (g x))
⊢ Tendsto (fun n ↦ f n x) atTop (𝓝 (g x))

Tactic:
]

Goal state after:
α : Type u_1
E : Type u_4
m : MeasurableSpace α
μ : Measure α
inst✝¹ : PseudoEMetricSpace E
f : ℕ → α → E
g : α → E
inst✝ : IsFiniteMeasure μ
hf : ∀ (n : ℕ), AEStronglyMeasurable (f n) μ
hfg : ∀ᵐ (x : α) ∂μ, Tendsto (fun n ↦ f n x) atTop (𝓝 (g x))
hg : AEStronglyMeasurable g μ
hf_eq_ae : ∀ᵐ (x : α) ∂μ, ∀ (n : ℕ), AEStronglyMeasurable.mk (f n) ⋯ x = f n x
x : α
hxf : ∀ (n : ℕ), AEStronglyMeasurable.mk (f n) ⋯ x = f n x
hxg : g x = AEStronglyMeasurable.mk g hg x
hxfg : Tendsto (fun n ↦ f n x) atTop (𝓝 (g x))
⊢ Tendsto (fun n ↦ f n x) atTop (𝓝 (g x))
Module: Mathlib.MeasureTheory.Function.LpSpace.Basic

Goal state before:
pp: case neg
α : Type u_1
E : Type u_4
m : MeasurableSpace α
p : ℝ≥0∞
μ : Measure α
inst✝¹ : NormedAddCommGroup E
inst✝ : IsFiniteMeasure μ
f : ↥(Lp E p μ)
C : ℝ≥0
hfC : ∀ᵐ (x : α) ∂μ, ‖↑↑f x‖₊ ≤ C
hμ : ¬μ = 0
⊢ ↑C * ↑(measureUnivNNReal μ ^ p.toReal⁻¹) = ↑C * ↑(measureUnivNNReal μ ^ p.toReal⁻¹)

Tactic:
]

Goal state after:
Module: Mathlib.MeasureTheory.Function.LpSpace.Complete

Goal state before:
pp: α : Type u_1
m : MeasurableSpace α
μ : Measure α
E : Type u_3
inst✝ : NormedAddCommGroup E
f : ℕ → α → E
hf : ∀ (n : ℕ), AEStronglyMeasurable (f n) μ
p : ℝ
hp1 : 1 ≤ p
B : ℕ → ℝ≥0∞
h_cau : ∀ (N n m_1 : ℕ), N ≤ n → N ≤ m_1 → eLpNorm' (f n - f m_1) p μ < B N
n : ℕ
f_norm_diff : ℕ → α → ℝ := fun i x ↦ ‖f (i + 1) x - f i x‖
hgf_norm_diff :
  ∀ (n : ℕ), (fun x ↦ ∑ i ∈ Finset.range (n + 1), ‖f (i + 1) x - f i x‖) = ∑ i ∈ Finset.range (n + 1), f_norm_diff i
⊢ eLpNorm' (∑ i ∈ Finset.range (n + 1), f_norm_diff i) p μ ≤ ∑' (i : ℕ), B i

Tactic:
]

Goal state after:
α : Type u_1
m : MeasurableSpace α
μ : Measure α
E : Type u_3
inst✝ : NormedAddCommGroup E
f : ℕ → α → E
hf : ∀ (n : ℕ), AEStronglyMeasurable (f n) μ
p : ℝ
hp1 : 1 ≤ p
B : ℕ → ℝ≥0∞
h_cau : ∀ (N n m_1 : ℕ), N ≤ n → N ≤ m_1 → eLpNorm' (f n - f m_1) p μ < B N
n : ℕ
f_norm_diff : ℕ → α → ℝ := fun i x ↦ ‖f (i + 1) x - f i x‖
hgf_norm_diff :
  ∀ (n : ℕ), (fun x ↦ ∑ i ∈ Finset.range (n + 1), ‖f (i + 1) x - f i x‖) = ∑ i ∈ Finset.range (n + 1), f_norm_diff i
⊢ eLpNorm' (∑ i ∈ Finset.range (n + 1), f_norm_diff i) p μ ≤ ∑' (i : ℕ), B i
Module: Mathlib.MeasureTheory.Function.ConvergenceInMeasure

Goal state before:
pp: α : Type u_1
E : Type u_4
m : MeasurableSpace α
μ : Measure α
inst✝ : PseudoEMetricSpace E
f : ℕ → α → E
g : α → E
n : ℕ
hfg : ∀ ε > 0, ∃ N, ∀ n_1 ≥ N, μ {x | 2⁻¹ ^ n ≤ edist (f n_1 x) (g x)} ≤ ε
⊢ ∃ N, ∀ m_1 ≥ N, μ {x | 2⁻¹ ^ n ≤ edist (f m_1 x) (g x)} ≤ 2⁻¹ ^ n

Tactic:
]

Goal state after:
α : Type u_1
E : Type u_4
m : MeasurableSpace α
μ : Measure α
inst✝ : PseudoEMetricSpace E
f : ℕ → α → E
g : α → E
n : ℕ
hfg : ∀ ε > 0, ∃ N, ∀ n_1 ≥ N, μ {x | 2⁻¹ ^ n ≤ edist (f n_1 x) (g x)} ≤ ε
⊢ ∃ N, ∀ m_1 ≥ N, μ {x | 2⁻¹ ^ n ≤ edist (f m_1 x) (g x)} ≤ 2⁻¹ ^ n
Module: Mathlib.MeasureTheory.Function.LpSpace.Basic

Goal state before:
pp: α : Type u_1
E : Type u_4
m : MeasurableSpace α
p : ℝ≥0∞
μ : Measure α
inst✝¹ : NormedAddCommGroup E
inst✝ : IsFiniteMeasure μ
f : ↥(Lp E p μ)
C : ℝ≥0
hfC : ∀ᵐ (x : α) ∂μ, ‖↑↑f x‖ ≤ ↑C
this : ↑‖f‖₊ ≤ ↑(measureUnivNNReal μ) ^ p.toReal⁻¹ * ↑C
⊢ ‖f‖ ≤ ↑(measureUnivNNReal μ) ^ p.toReal⁻¹ * ↑C

Tactic:
]

Goal state after:
α : Type u_1
E : Type u_4
m : MeasurableSpace α
p : ℝ≥0∞
μ : Measure α
inst✝¹ : NormedAddCommGroup E
inst✝ : IsFiniteMeasure μ
f : ↥(Lp E p μ)
C : ℝ≥0
hfC : ∀ᵐ (x : α) ∂μ, ‖↑↑f x‖ ≤ ↑C
this : ↑‖f‖₊ ≤ ↑(measureUnivNNReal μ) ^ p.toReal⁻¹ * ↑C
⊢ ‖f‖ ≤ ↑(measureUnivNNReal μ) ^ p.toReal⁻¹ * ↑C
Module: Mathlib.MeasureTheory.Function.LpSpace.Basic

Goal state before:
pp: α : Type u_1
𝕜 : Type u_2
E : Type u_4
m : MeasurableSpace α
p : ℝ≥0∞
μ : Measure α
inst✝³ : NormedAddCommGroup E
inst✝² : NormedRing 𝕜
inst✝¹ : Module 𝕜 E
inst✝ : IsBoundedSMul 𝕜 E
c : 𝕜
f : ↥(Lp E p μ)
⊢ eLpNorm (c • ↑↑f) p μ < ∞

Tactic:
]

Goal state after:
α : Type u_1
𝕜 : Type u_2
E : Type u_4
m : MeasurableSpace α
p : ℝ≥0∞
μ : Measure α
inst✝³ : NormedAddCommGroup E
inst✝² : NormedRing 𝕜
inst✝¹ : Module 𝕜 E
inst✝ : IsBoundedSMul 𝕜 E
c : 𝕜
f : ↥(Lp E p μ)
⊢ eLpNorm (c • ↑↑f) p μ < ∞
Module: Mathlib.MeasureTheory.Function.ConvergenceInMeasure

Goal state before:
pp: α : Type u_1
E : Type u_4
m : MeasurableSpace α
μ : Measure α
inst✝ : PseudoEMetricSpace E
f : ℕ → α → E
g : α → E
hfg : TendstoInMeasure μ f atTop g
n : ℕ
⊢ max (seqTendstoAeSeqAux hfg (n + 1)) (seqTendstoAeSeq hfg n + 1) =
    max (seqTendstoAeSeqAux hfg (n + 1)) (seqTendstoAeSeq hfg n + 1)

Tactic:
]

Goal state after:
Module: Mathlib.MeasureTheory.Function.LpSpace.Complete

Goal state before:
pp: α : Type u_1
m : MeasurableSpace α
μ : Measure α
E : Type u_3
inst✝ : NormedAddCommGroup E
f : ℕ → α → E
p : ℝ
hp1 : 1 ≤ p
B : ℕ → ℝ≥0∞
n : ℕ
hn : eLpNorm' (fun x ↦ ∑ i ∈ Finset.range (n + 1), ‖f (i + 1) x - f i x‖) p μ ≤ ∑' (i : ℕ), B i
hp_pos : 0 < p
⊢ (∫⁻ (a : α), (∑ i ∈ Finset.range (n + 1), ‖f (i + 1) a - f i a‖ₑ) ^ p ∂μ) ^ p⁻¹ ≤ ∑' (i : ℕ), B i

Tactic:
]

Goal state after:
α : Type u_1
m : MeasurableSpace α
μ : Measure α
E : Type u_3
inst✝ : NormedAddCommGroup E
f : ℕ → α → E
p : ℝ
hp1 : 1 ≤ p
B : ℕ → ℝ≥0∞
n : ℕ
hn : eLpNorm' (fun x ↦ ∑ i ∈ Finset.range (n + 1), ‖f (i + 1) x - f i x‖) p μ ≤ ∑' (i : ℕ), B i
hp_pos : 0 < p
⊢ (∫⁻ (a : α), (∑ i ∈ Finset.range (n + 1), ‖f (i + 1) a - f i a‖ₑ) ^ p ∂μ) ^ p⁻¹ ≤ ∑' (i : ℕ), B i
Module: Mathlib.MeasureTheory.Function.LpSpace.Basic

Goal state before:
pp: case neg
α : Type u_1
m : MeasurableSpace α
p : ℝ≥0∞
μ : Measure α
ε : Type u_6
inst✝¹ : TopologicalSpace ε
inst✝ : ContinuousENorm ε
f : α → ε
hf : MemLp f p μ
q : ℝ≥0∞
q_top : ¬q = ∞
q_zero : q = 0
p_zero : ¬p = 0
⊢ eLpNorm (fun x ↦ ‖f x‖ₑ ^ 0) ∞ μ < ∞

Tactic:
]

Goal state after:
case neg
α : Type u_1
m : MeasurableSpace α
p : ℝ≥0∞
μ : Measure α
ε : Type u_6
inst✝¹ : TopologicalSpace ε
inst✝ : ContinuousENorm ε
f : α → ε
hf : MemLp f p μ
q : ℝ≥0∞
q_top : ¬q = ∞
q_zero : q = 0
p_zero : ¬p = 0
⊢ eLpNorm (fun x ↦ ‖f x‖ₑ ^ 0) ∞ μ < ∞
Module: Mathlib.MeasureTheory.Function.ConvergenceInMeasure

Goal state before:
pp: α : Type u_1
E : Type u_4
m : MeasurableSpace α
μ : Measure α
inst✝ : PseudoEMetricSpace E
f : ℕ → α → E
g : α → E
hfg : TendstoInMeasure μ f atTop g
n : ℕ
⊢ seqTendstoAeSeq hfg n < max (seqTendstoAeSeqAux hfg (n + 1)) (seqTendstoAeSeq hfg n + 1)

Tactic:
]

Goal state after:
α : Type u_1
E : Type u_4
m : MeasurableSpace α
μ : Measure α
inst✝ : PseudoEMetricSpace E
f : ℕ → α → E
g : α → E
hfg : TendstoInMeasure μ f atTop g
n : ℕ
⊢ seqTendstoAeSeq hfg n < max (seqTendstoAeSeqAux hfg (n + 1)) (seqTendstoAeSeq hfg n + 1)