awhecmu/canonical-drafter-extract-mathlib huggingface dataset:
-- Module: Mathlib.Topology.MetricSpace.GromovHausdorff
Goal:
X_1 : ℕ → Type
inst : (n : ℕ) → MetricSpace (X_1 n)
inst_1 : ∀ (n : ℕ), CompactSpace (X_1 n)
inst_2 : ∀ (n : ℕ), Nonempty (X_1 n)
d : (n : ℕ) → ℝ := fun (n : ℕ) ↦ (1 / 2) ^ n
this : ∀ (n : ℕ), 0 < d n
u : ℕ → GHSpace
hu : ∀ (N n m : ℕ), N ≤ n → N ≤ m → dist (u n) (u m) < d N
X : (n : ℕ) → Type := fun (n : ℕ) ↦ (u n).Rep
Y : (n : ℕ) → AuxGluingStruct (X n) := auxGluing X
E :
  ∀ (n : ℕ),
    GlueSpace (Y := OptimalGHCoupling (X n) (X (n + 1))) ⋯ ⋯ = AuxGluingStruct.Space (A := X (n + 1)) (Y (n + 1))
c : (n : ℕ) →
  (a : GlueSpace (Y := OptimalGHCoupling (X n) (X (n + 1))) ⋯ ⋯) → AuxGluingStruct.Space (A := X (n + 1)) (Y (n + 1)) :=
  fun (n : ℕ) ↦ cast ⋯
ic : ∀ (n : ℕ), Isometry (c n)
f : (n : ℕ) → (Y n).Space → AuxGluingStruct.Space (A := X (n + 1)) (Y (n + 1)) := fun (n : ℕ) ↦ c n ∘ toGlueL ⋯ ⋯
I : ∀ (n : ℕ), Isometry (f n)
Z0 : Type := InductiveLimit (X := fun (n : ℕ) ↦ (Y n).Space) I
Z : Type := UniformSpace.Completion Z0
Φ : (n : ℕ) → (x : (Y n).Space) → InductiveLimit (X := fun (n : ℕ) ↦ (Y n).Space) I :=
  toInductiveLimit (X := fun (n : ℕ) ↦ (Y n).Space) I
coeZ : Z0 → UniformSpace.Completion Z0 := UniformSpace.Completion.coe'
X2 : (n : ℕ) → Set (UniformSpace.Completion Z0) := fun (n : ℕ) ↦ range (coeZ ∘ Φ n ∘ (Y n).embed)
isom : ∀ (n : ℕ), Isometry (coeZ ∘ Φ n ∘ (Y n).embed)
X2n : ∀ (n : ℕ), X2 n = range ((coeZ ∘ Φ n.succ ∘ c n ∘ toGlueR ⋯ ⋯) ∘ optimalGHInjl (X n) (X n.succ))
n : ℕ
⊢ X2 n.succ = range ((coeZ ∘ Φ n.succ ∘ c n ∘ toGlueR ⋯ ⋯) ∘ optimalGHInjr (X n) (X n.succ))

Tactic:
rfl
-- Module: Mathlib.Topology.MetricSpace.GromovHausdorff
Goal:
X_1 : ℕ → Type
inst : (n : ℕ) → MetricSpace (X_1 n)
inst_1 : ∀ (n : ℕ), CompactSpace (X_1 n)
inst_2 : ∀ (n : ℕ), Nonempty (X_1 n)
d : (n : ℕ) → ℝ := fun (n : ℕ) ↦ (1 / 2) ^ n
this : ∀ (n : ℕ), 0 < d n
u : ℕ → GHSpace
hu : ∀ (N n m : ℕ), N ≤ n → N ≤ m → dist (u n) (u m) < d N
X : (n : ℕ) → Type := fun (n : ℕ) ↦ (u n).Rep
Y : (n : ℕ) → AuxGluingStruct (X n) := auxGluing X
E :
  ∀ (n : ℕ),
    GlueSpace (Y := OptimalGHCoupling (X n) (X (n + 1))) ⋯ ⋯ = AuxGluingStruct.Space (A := X (n + 1)) (Y (n + 1))
c : (n : ℕ) →
  (a : GlueSpace (Y := OptimalGHCoupling (X n) (X (n + 1))) ⋯ ⋯) → AuxGluingStruct.Space (A := X (n + 1)) (Y (n + 1)) :=
  fun (n : ℕ) ↦ cast ⋯
ic : ∀ (n : ℕ), Isometry (c n)
f : (n : ℕ) → (Y n).Space → AuxGluingStruct.Space (A := X (n + 1)) (Y (n + 1)) := fun (n : ℕ) ↦ c n ∘ toGlueL ⋯ ⋯
I : ∀ (n : ℕ), Isometry (f n)
Z0 : Type := InductiveLimit (X := fun (n : ℕ) ↦ (Y n).Space) I
Z : Type := UniformSpace.Completion Z0
Φ : (n : ℕ) → (x : (Y n).Space) → InductiveLimit (X := fun (n : ℕ) ↦ (Y n).Space) I :=
  toInductiveLimit (X := fun (n : ℕ) ↦ (Y n).Space) I
coeZ : Z0 → UniformSpace.Completion Z0 := UniformSpace.Completion.coe'
X2 : (n : ℕ) → Set (UniformSpace.Completion Z0) := fun (n : ℕ) ↦ range (coeZ ∘ Φ n ∘ (Y n).embed)
isom : ∀ (n : ℕ), Isometry (coeZ ∘ Φ n ∘ (Y n).embed)
X2n : ∀ (n : ℕ), X2 n = range ((coeZ ∘ Φ n.succ ∘ c n ∘ toGlueR ⋯ ⋯) ∘ optimalGHInjl (X n) (X n.succ))
⊢ ∀ (n : ℕ), X2 n.succ = range ((coeZ ∘ Φ n.succ ∘ c n ∘ toGlueR ⋯ ⋯) ∘ optimalGHInjr (X n) (X n.succ))

Tactic:
have X2nsucc : ∀ n, X2 n.succ =
      range ((coeZ ∘ Φ n.succ ∘ c n ∘ toGlueR (Y n).isom
        (isometry_optimalGHInjl (X n) (X n.succ))) ∘ optimalGHInjr (X n) (X n.succ)) := by
    intro n
    rfl
-- Module: Mathlib.Topology.MetricSpace.GromovHausdorff
Goal:
X_1 : ℕ → Type
inst : (n : ℕ) → MetricSpace (X_1 n)
inst_1 : ∀ (n : ℕ), CompactSpace (X_1 n)
inst_2 : ∀ (n : ℕ), Nonempty (X_1 n)
d : (n : ℕ) → ℝ := fun (n : ℕ) ↦ (1 / 2) ^ n
this : ∀ (n : ℕ), 0 < d n
u : ℕ → GHSpace
hu : ∀ (N n m : ℕ), N ≤ n → N ≤ m → dist (u n) (u m) < d N
X : (n : ℕ) → Type := fun (n : ℕ) ↦ (u n).Rep
Y : (n : ℕ) → AuxGluingStruct (X n) := auxGluing X
E :
  ∀ (n : ℕ),
    GlueSpace (Y := OptimalGHCoupling (X n) (X (n + 1))) ⋯ ⋯ = AuxGluingStruct.Space (A := X (n + 1)) (Y (n + 1))
c : (n : ℕ) →
  (a : GlueSpace (Y := OptimalGHCoupling (X n) (X (n + 1))) ⋯ ⋯) → AuxGluingStruct.Space (A := X (n + 1)) (Y (n + 1)) :=
  fun (n : ℕ) ↦ cast ⋯
ic : ∀ (n : ℕ), Isometry (c n)
f : (n : ℕ) → (Y n).Space → AuxGluingStruct.Space (A := X (n + 1)) (Y (n + 1)) := fun (n : ℕ) ↦ c n ∘ toGlueL ⋯ ⋯
I : ∀ (n : ℕ), Isometry (f n)
Z0 : Type := InductiveLimit (X := fun (n : ℕ) ↦ (Y n).Space) I
Z : Type := UniformSpace.Completion Z0
Φ : (n : ℕ) → (x : (Y n).Space) → InductiveLimit (X := fun (n : ℕ) ↦ (Y n).Space) I :=
  toInductiveLimit (X := fun (n : ℕ) ↦ (Y n).Space) I
coeZ : Z0 → UniformSpace.Completion Z0 := UniformSpace.Completion.coe'
X2 : (n : ℕ) → Set (UniformSpace.Completion Z0) := fun (n : ℕ) ↦ range (coeZ ∘ Φ n ∘ (Y n).embed)
isom : ∀ (n : ℕ), Isometry (coeZ ∘ Φ n ∘ (Y n).embed)
X2n : ∀ (n : ℕ), X2 n = range ((coeZ ∘ Φ n.succ ∘ c n ∘ toGlueR ⋯ ⋯) ∘ optimalGHInjl (X n) (X n.succ))
X2nsucc : ∀ (n : ℕ), X2 n.succ = range ((coeZ ∘ Φ n.succ ∘ c n ∘ toGlueR ⋯ ⋯) ∘ optimalGHInjr (X n) (X n.succ))
n : ℕ
rw : dist (u n) (u n.succ) < d n
rw₁ : Isometry (coeZ ∘ Φ n.succ ∘ c n ∘ toGlueR ⋯ ⋯)
⊢ hausdorffDist (X2 n) (X2 n.succ) < d n

Tactic:
rw [X2n n, X2nsucc n, range_comp, range_comp, hausdorffDist_image,
      hausdorffDist_optimal, ← dist_ghDist]

Premises used: GromovHausdorff.hausdorffDist_optimal, Set.range_comp, GromovHausdorff.dist_ghDist, Metric.hausdorffDist_image
-- Module: Mathlib.Topology.MetricSpace.GromovHausdorff
Goal:
X_1 : ℕ → Type
inst : (n : ℕ) → MetricSpace (X_1 n)
inst_1 : ∀ (n : ℕ), CompactSpace (X_1 n)
inst_2 : ∀ (n : ℕ), Nonempty (X_1 n)
d : (n : ℕ) → ℝ := fun (n : ℕ) ↦ (1 / 2) ^ n
this : ∀ (n : ℕ), 0 < d n
u : ℕ → GHSpace
hu : ∀ (N n m : ℕ), N ≤ n → N ≤ m → dist (u n) (u m) < d N
X : (n : ℕ) → Type := fun (n : ℕ) ↦ (u n).Rep
Y : (n : ℕ) → AuxGluingStruct (X n) := auxGluing X
E :
  ∀ (n : ℕ),
    GlueSpace (Y := OptimalGHCoupling (X n) (X (n + 1))) ⋯ ⋯ = AuxGluingStruct.Space (A := X (n + 1)) (Y (n + 1))
c : (n : ℕ) →
  (a : GlueSpace (Y := OptimalGHCoupling (X n) (X (n + 1))) ⋯ ⋯) → AuxGluingStruct.Space (A := X (n + 1)) (Y (n + 1)) :=
  fun (n : ℕ) ↦ cast ⋯
ic : ∀ (n : ℕ), Isometry (c n)
f : (n : ℕ) → (Y n).Space → AuxGluingStruct.Space (A := X (n + 1)) (Y (n + 1)) := fun (n : ℕ) ↦ c n ∘ toGlueL ⋯ ⋯
I : ∀ (n : ℕ), Isometry (f n)
Z0 : Type := InductiveLimit (X := fun (n : ℕ) ↦ (Y n).Space) I
Z : Type := UniformSpace.Completion Z0
Φ : (n : ℕ) → (x : (Y n).Space) → InductiveLimit (X := fun (n : ℕ) ↦ (Y n).Space) I :=
  toInductiveLimit (X := fun (n : ℕ) ↦ (Y n).Space) I
coeZ : Z0 → UniformSpace.Completion Z0 := UniformSpace.Completion.coe'
X2 : (n : ℕ) → Set (UniformSpace.Completion Z0) := fun (n : ℕ) ↦ range (coeZ ∘ Φ n ∘ (Y n).embed)
isom : ∀ (n : ℕ), Isometry (coeZ ∘ Φ n ∘ (Y n).embed)
X2n : ∀ (n : ℕ), X2 n = range ((coeZ ∘ Φ n.succ ∘ c n ∘ toGlueR ⋯ ⋯) ∘ optimalGHInjl (X n) (X n.succ))
X2nsucc : ∀ (n : ℕ), X2 n.succ = range ((coeZ ∘ Φ n.succ ∘ c n ∘ toGlueR ⋯ ⋯) ∘ optimalGHInjr (X n) (X n.succ))
n : ℕ
⊢ dist (u n) (u n.succ) < d n

Tactic:
hu n n n.succ (le_refl n) (le_succ n)

Premises used: le_refl, Nat.le_succ, Nat.succ
-- Module: Mathlib.Topology.MetricSpace.GromovHausdorff
Goal:
X_1 : ℕ → Type
inst : (n : ℕ) → MetricSpace (X_1 n)
inst_1 : ∀ (n : ℕ), CompactSpace (X_1 n)
inst_2 : ∀ (n : ℕ), Nonempty (X_1 n)
d : (n : ℕ) → ℝ := fun (n : ℕ) ↦ (1 / 2) ^ n
this : ∀ (n : ℕ), 0 < d n
u : ℕ → GHSpace
hu : ∀ (N n m : ℕ), N ≤ n → N ≤ m → dist (u n) (u m) < d N
X : (n : ℕ) → Type := fun (n : ℕ) ↦ (u n).Rep
Y : (n : ℕ) → AuxGluingStruct (X n) := auxGluing X
E :
  ∀ (n : ℕ),
    GlueSpace (Y := OptimalGHCoupling (X n) (X (n + 1))) ⋯ ⋯ = AuxGluingStruct.Space (A := X (n + 1)) (Y (n + 1))
c : (n : ℕ) →
  (a : GlueSpace (Y := OptimalGHCoupling (X n) (X (n + 1))) ⋯ ⋯) → AuxGluingStruct.Space (A := X (n + 1)) (Y (n + 1)) :=
  fun (n : ℕ) ↦ cast ⋯
ic : ∀ (n : ℕ), Isometry (c n)
f : (n : ℕ) → (Y n).Space → AuxGluingStruct.Space (A := X (n + 1)) (Y (n + 1)) := fun (n : ℕ) ↦ c n ∘ toGlueL ⋯ ⋯
I : ∀ (n : ℕ), Isometry (f n)
Z0 : Type := InductiveLimit (X := fun (n : ℕ) ↦ (Y n).Space) I
Z : Type := UniformSpace.Completion Z0
Φ : (n : ℕ) → (x : (Y n).Space) → InductiveLimit (X := fun (n : ℕ) ↦ (Y n).Space) I :=
  toInductiveLimit (X := fun (n : ℕ) ↦ (Y n).Space) I
coeZ : Z0 → UniformSpace.Completion Z0 := UniformSpace.Completion.coe'
X2 : (n : ℕ) → Set (UniformSpace.Completion Z0) := fun (n : ℕ) ↦ range (coeZ ∘ Φ n ∘ (Y n).embed)
isom : ∀ (n : ℕ), Isometry (coeZ ∘ Φ n ∘ (Y n).embed)
X2n : ∀ (n : ℕ), X2 n = range ((coeZ ∘ Φ n.succ ∘ c n ∘ toGlueR ⋯ ⋯) ∘ optimalGHInjl (X n) (X n.succ))
X2nsucc : ∀ (n : ℕ), X2 n.succ = range ((coeZ ∘ Φ n.succ ∘ c n ∘ toGlueR ⋯ ⋯) ∘ optimalGHInjr (X n) (X n.succ))
n : ℕ
⊢ dist (u n) (u n.succ) < d n

Tactic:
exact hu n n n.succ (le_refl n) (le_succ n)

Premises used: le_refl, Nat.le_succ, Nat.succ
-- Module: Mathlib.Topology.MetricSpace.GromovHausdorff
Goal:
X_1 : ℕ → Type
inst : (n : ℕ) → MetricSpace (X_1 n)
inst_1 : ∀ (n : ℕ), CompactSpace (X_1 n)
inst_2 : ∀ (n : ℕ), Nonempty (X_1 n)
d : (n : ℕ) → ℝ := fun (n : ℕ) ↦ (1 / 2) ^ n
this : ∀ (n : ℕ), 0 < d n
u : ℕ → GHSpace
hu : ∀ (N n m : ℕ), N ≤ n → N ≤ m → dist (u n) (u m) < d N
X : (n : ℕ) → Type := fun (n : ℕ) ↦ (u n).Rep
Y : (n : ℕ) → AuxGluingStruct (X n) := auxGluing X
E :
  ∀ (n : ℕ),
    GlueSpace (Y := OptimalGHCoupling (X n) (X (n + 1))) ⋯ ⋯ = AuxGluingStruct.Space (A := X (n + 1)) (Y (n + 1))
c : (n : ℕ) →
  (a : GlueSpace (Y := OptimalGHCoupling (X n) (X (n + 1))) ⋯ ⋯) → AuxGluingStruct.Space (A := X (n + 1)) (Y (n + 1)) :=
  fun (n : ℕ) ↦ cast ⋯
ic : ∀ (n : ℕ), Isometry (c n)
f : (n : ℕ) → (Y n).Space → AuxGluingStruct.Space (A := X (n + 1)) (Y (n + 1)) := fun (n : ℕ) ↦ c n ∘ toGlueL ⋯ ⋯
I : ∀ (n : ℕ), Isometry (f n)
Z0 : Type := InductiveLimit (X := fun (n : ℕ) ↦ (Y n).Space) I
Z : Type := UniformSpace.Completion Z0
Φ : (n : ℕ) → (x : (Y n).Space) → InductiveLimit (X := fun (n : ℕ) ↦ (Y n).Space) I :=
  toInductiveLimit (X := fun (n : ℕ) ↦ (Y n).Space) I
coeZ : Z0 → UniformSpace.Completion Z0 := UniformSpace.Completion.coe'
X2 : (n : ℕ) → Set (UniformSpace.Completion Z0) := fun (n : ℕ) ↦ range (coeZ ∘ Φ n ∘ (Y n).embed)
isom : ∀ (n : ℕ), Isometry (coeZ ∘ Φ n ∘ (Y n).embed)
X2n : ∀ (n : ℕ), X2 n = range ((coeZ ∘ Φ n.succ ∘ c n ∘ toGlueR ⋯ ⋯) ∘ optimalGHInjl (X n) (X n.succ))
X2nsucc : ∀ (n : ℕ), X2 n.succ = range ((coeZ ∘ Φ n.succ ∘ c n ∘ toGlueR ⋯ ⋯) ∘ optimalGHInjr (X n) (X n.succ))
n : ℕ
apply : Isometry (Φ n.succ ∘ c n ∘ toGlueR ⋯ ⋯)
⊢ Isometry (coeZ ∘ Φ n.succ ∘ c n ∘ toGlueR ⋯ ⋯)

Tactic:
apply UniformSpace.Completion.coe_isometry.comp _

Premises used: Isometry.comp, UniformSpace.Completion.coe_isometry
-- Module: Mathlib.Topology.MetricSpace.GromovHausdorff
Goal:
X_1 : ℕ → Type
inst : (n : ℕ) → MetricSpace (X_1 n)
inst_1 : ∀ (n : ℕ), CompactSpace (X_1 n)
inst_2 : ∀ (n : ℕ), Nonempty (X_1 n)
d : (n : ℕ) → ℝ := fun (n : ℕ) ↦ (1 / 2) ^ n
this : ∀ (n : ℕ), 0 < d n
u : ℕ → GHSpace
hu : ∀ (N n m : ℕ), N ≤ n → N ≤ m → dist (u n) (u m) < d N
X : (n : ℕ) → Type := fun (n : ℕ) ↦ (u n).Rep
Y : (n : ℕ) → AuxGluingStruct (X n) := auxGluing X
E :
  ∀ (n : ℕ),
    GlueSpace (Y := OptimalGHCoupling (X n) (X (n + 1))) ⋯ ⋯ = AuxGluingStruct.Space (A := X (n + 1)) (Y (n + 1))
c : (n : ℕ) →
  (a : GlueSpace (Y := OptimalGHCoupling (X n) (X (n + 1))) ⋯ ⋯) → AuxGluingStruct.Space (A := X (n + 1)) (Y (n + 1)) :=
  fun (n : ℕ) ↦ cast ⋯
ic : ∀ (n : ℕ), Isometry (c n)
f : (n : ℕ) → (Y n).Space → AuxGluingStruct.Space (A := X (n + 1)) (Y (n + 1)) := fun (n : ℕ) ↦ c n ∘ toGlueL ⋯ ⋯
I : ∀ (n : ℕ), Isometry (f n)
Z0 : Type := InductiveLimit (X := fun (n : ℕ) ↦ (Y n).Space) I
Z : Type := UniformSpace.Completion Z0
Φ : (n : ℕ) → (x : (Y n).Space) → InductiveLimit (X := fun (n : ℕ) ↦ (Y n).Space) I :=
  toInductiveLimit (X := fun (n : ℕ) ↦ (Y n).Space) I
coeZ : Z0 → UniformSpace.Completion Z0 := UniformSpace.Completion.coe'
X2 : (n : ℕ) → Set (UniformSpace.Completion Z0) := fun (n : ℕ) ↦ range (coeZ ∘ Φ n ∘ (Y n).embed)
isom : ∀ (n : ℕ), Isometry (coeZ ∘ Φ n ∘ (Y n).embed)
X2n : ∀ (n : ℕ), X2 n = range ((coeZ ∘ Φ n.succ ∘ c n ∘ toGlueR ⋯ ⋯) ∘ optimalGHInjl (X n) (X n.succ))
X2nsucc : ∀ (n : ℕ), X2 n.succ = range ((coeZ ∘ Φ n.succ ∘ c n ∘ toGlueR ⋯ ⋯) ∘ optimalGHInjr (X n) (X n.succ))
n : ℕ
⊢ Isometry (Φ n.succ ∘ c n ∘ toGlueR ⋯ ⋯)

Tactic:
(toInductiveLimit_isometry _ _).comp ((ic n).comp (toGlueR_isometry _ _))

Premises used: Isometry.comp, Metric.toInductiveLimit_isometry, Metric.toGlueR_isometry
-- Module: Mathlib.Topology.MetricSpace.GromovHausdorff
Goal:
X_1 : ℕ → Type
inst : (n : ℕ) → MetricSpace (X_1 n)
inst_1 : ∀ (n : ℕ), CompactSpace (X_1 n)
inst_2 : ∀ (n : ℕ), Nonempty (X_1 n)
d : (n : ℕ) → ℝ := fun (n : ℕ) ↦ (1 / 2) ^ n
this : ∀ (n : ℕ), 0 < d n
u : ℕ → GHSpace
hu : ∀ (N n m : ℕ), N ≤ n → N ≤ m → dist (u n) (u m) < d N
X : (n : ℕ) → Type := fun (n : ℕ) ↦ (u n).Rep
Y : (n : ℕ) → AuxGluingStruct (X n) := auxGluing X
E :
  ∀ (n : ℕ),
    GlueSpace (Y := OptimalGHCoupling (X n) (X (n + 1))) ⋯ ⋯ = AuxGluingStruct.Space (A := X (n + 1)) (Y (n + 1))
c : (n : ℕ) →
  (a : GlueSpace (Y := OptimalGHCoupling (X n) (X (n + 1))) ⋯ ⋯) → AuxGluingStruct.Space (A := X (n + 1)) (Y (n + 1)) :=
  fun (n : ℕ) ↦ cast ⋯
ic : ∀ (n : ℕ), Isometry (c n)
f : (n : ℕ) → (Y n).Space → AuxGluingStruct.Space (A := X (n + 1)) (Y (n + 1)) := fun (n : ℕ) ↦ c n ∘ toGlueL ⋯ ⋯
I : ∀ (n : ℕ), Isometry (f n)
Z0 : Type := InductiveLimit (X := fun (n : ℕ) ↦ (Y n).Space) I
Z : Type := UniformSpace.Completion Z0
Φ : (n : ℕ) → (x : (Y n).Space) → InductiveLimit (X := fun (n : ℕ) ↦ (Y n).Space) I :=
  toInductiveLimit (X := fun (n : ℕ) ↦ (Y n).Space) I
coeZ : Z0 → UniformSpace.Completion Z0 := UniformSpace.Completion.coe'
X2 : (n : ℕ) → Set (UniformSpace.Completion Z0) := fun (n : ℕ) ↦ range (coeZ ∘ Φ n ∘ (Y n).embed)
isom : ∀ (n : ℕ), Isometry (coeZ ∘ Φ n ∘ (Y n).embed)
X2n : ∀ (n : ℕ), X2 n = range ((coeZ ∘ Φ n.succ ∘ c n ∘ toGlueR ⋯ ⋯) ∘ optimalGHInjl (X n) (X n.succ))
X2nsucc : ∀ (n : ℕ), X2 n.succ = range ((coeZ ∘ Φ n.succ ∘ c n ∘ toGlueR ⋯ ⋯) ∘ optimalGHInjr (X n) (X n.succ))
n : ℕ
⊢ Isometry (Φ n.succ ∘ c n ∘ toGlueR ⋯ ⋯)

Tactic:
exact (toInductiveLimit_isometry _ _).comp ((ic n).comp (toGlueR_isometry _ _))

Premises used: Isometry.comp, Metric.toInductiveLimit_isometry
-- Module: Mathlib.Topology.MetricSpace.GromovHausdorff
Goal:
X_1 : ℕ → Type
inst : (n : ℕ) → MetricSpace (X_1 n)
inst_1 : ∀ (n : ℕ), CompactSpace (X_1 n)
inst_2 : ∀ (n : ℕ), Nonempty (X_1 n)
d : (n : ℕ) → ℝ := fun (n : ℕ) ↦ (1 / 2) ^ n
this : ∀ (n : ℕ), 0 < d n
u : ℕ → GHSpace
hu : ∀ (N n m : ℕ), N ≤ n → N ≤ m → dist (u n) (u m) < d N
X : (n : ℕ) → Type := fun (n : ℕ) ↦ (u n).Rep
Y : (n : ℕ) → AuxGluingStruct (X n) := auxGluing X
E :
  ∀ (n : ℕ),
    GlueSpace (Y := OptimalGHCoupling (X n) (X (n + 1))) ⋯ ⋯ = AuxGluingStruct.Space (A := X (n + 1)) (Y (n + 1))
c : (n : ℕ) →
  (a : GlueSpace (Y := OptimalGHCoupling (X n) (X (n + 1))) ⋯ ⋯) → AuxGluingStruct.Space (A := X (n + 1)) (Y (n + 1)) :=
  fun (n : ℕ) ↦ cast ⋯
ic : ∀ (n : ℕ), Isometry (c n)
f : (n : ℕ) → (Y n).Space → AuxGluingStruct.Space (A := X (n + 1)) (Y (n + 1)) := fun (n : ℕ) ↦ c n ∘ toGlueL ⋯ ⋯
I : ∀ (n : ℕ), Isometry (f n)
Z0 : Type := InductiveLimit (X := fun (n : ℕ) ↦ (Y n).Space) I
Z : Type := UniformSpace.Completion Z0
Φ : (n : ℕ) → (x : (Y n).Space) → InductiveLimit (X := fun (n : ℕ) ↦ (Y n).Space) I :=
  toInductiveLimit (X := fun (n : ℕ) ↦ (Y n).Space) I
coeZ : Z0 → UniformSpace.Completion Z0 := UniformSpace.Completion.coe'
X2 : (n : ℕ) → Set (UniformSpace.Completion Z0) := fun (n : ℕ) ↦ range (coeZ ∘ Φ n ∘ (Y n).embed)
isom : ∀ (n : ℕ), Isometry (coeZ ∘ Φ n ∘ (Y n).embed)
X2n : ∀ (n : ℕ), X2 n = range ((coeZ ∘ Φ n.succ ∘ c n ∘ toGlueR ⋯ ⋯) ∘ optimalGHInjl (X n) (X n.succ))
X2nsucc : ∀ (n : ℕ), X2 n.succ = range ((coeZ ∘ Φ n.succ ∘ c n ∘ toGlueR ⋯ ⋯) ∘ optimalGHInjr (X n) (X n.succ))
⊢ ∀ (n : ℕ), hausdorffDist (X2 n) (X2 n.succ) < d n

Tactic:
have D2 : ∀ n, hausdorffDist (X2 n) (X2 n.succ) < d n := fun n ↦ by
    rw [X2n n, X2nsucc n, range_comp, range_comp, hausdorffDist_image,
      hausdorffDist_optimal, ← dist_ghDist]
    · exact hu n n n.succ (le_refl n) (le_succ n)
    · apply UniformSpace.Completion.coe_isometry.comp _
      exact (toInductiveLimit_isometry _ _).comp ((ic n).comp (toGlueR_isometry _ _))
-- Module: Mathlib.Topology.MetricSpace.GromovHausdorff
Goal:
X_1 : ℕ → Type
inst : (n : ℕ) → MetricSpace (X_1 n)
inst_1 : ∀ (n : ℕ), CompactSpace (X_1 n)
inst_2 : ∀ (n : ℕ), Nonempty (X_1 n)
d : (n : ℕ) → ℝ := fun (n : ℕ) ↦ (1 / 2) ^ n
this : ∀ (n : ℕ), 0 < d n
u : ℕ → GHSpace
hu : ∀ (N n m : ℕ), N ≤ n → N ≤ m → dist (u n) (u m) < d N
X : (n : ℕ) → Type := fun (n : ℕ) ↦ (u n).Rep
Y : (n : ℕ) → AuxGluingStruct (X n) := auxGluing X
E :
  ∀ (n : ℕ),
    GlueSpace (Y := OptimalGHCoupling (X n) (X (n + 1))) ⋯ ⋯ = AuxGluingStruct.Space (A := X (n + 1)) (Y (n + 1))
c : (n : ℕ) →
  (a : GlueSpace (Y := OptimalGHCoupling (X n) (X (n + 1))) ⋯ ⋯) → AuxGluingStruct.Space (A := X (n + 1)) (Y (n + 1)) :=
  fun (n : ℕ) ↦ cast ⋯
ic : ∀ (n : ℕ), Isometry (c n)
f : (n : ℕ) → (Y n).Space → AuxGluingStruct.Space (A := X (n + 1)) (Y (n + 1)) := fun (n : ℕ) ↦ c n ∘ toGlueL ⋯ ⋯
I : ∀ (n : ℕ), Isometry (f n)
Z0 : Type := InductiveLimit (X := fun (n : ℕ) ↦ (Y n).Space) I
Z : Type := UniformSpace.Completion Z0
Φ : (n : ℕ) → (x : (Y n).Space) → InductiveLimit (X := fun (n : ℕ) ↦ (Y n).Space) I :=
  toInductiveLimit (X := fun (n : ℕ) ↦ (Y n).Space) I
coeZ : Z0 → UniformSpace.Completion Z0 := UniformSpace.Completion.coe'
X2 : (n : ℕ) → Set (UniformSpace.Completion Z0) := fun (n : ℕ) ↦ range (coeZ ∘ Φ n ∘ (Y n).embed)
isom : ∀ (n : ℕ), Isometry (coeZ ∘ Φ n ∘ (Y n).embed)
X2n : ∀ (n : ℕ), X2 n = range ((coeZ ∘ Φ n.succ ∘ c n ∘ toGlueR ⋯ ⋯) ∘ optimalGHInjl (X n) (X n.succ))
X2nsucc : ∀ (n : ℕ), X2 n.succ = range ((coeZ ∘ Φ n.succ ∘ c n ∘ toGlueR ⋯ ⋯) ∘ optimalGHInjr (X n) (X n.succ))
D2 : ∀ (n : ℕ), hausdorffDist (X2 n) (X2 n.succ) < d n
X3 : ℕ → NonemptyCompacts Z := fun (n : ℕ) ↦ { carrier := X2 n, isCompact' := ⋯, nonempty' := ⋯ }
⊢ 1 / 2 < 1

Tactic:
norm_num
-- Module: Mathlib.Topology.MetricSpace.GromovHausdorff
Goal:
X_1 : ℕ → Type
inst : (n : ℕ) → MetricSpace (X_1 n)
inst_1 : ∀ (n : ℕ), CompactSpace (X_1 n)
inst_2 : ∀ (n : ℕ), Nonempty (X_1 n)
d : (n : ℕ) → ℝ := fun (n : ℕ) ↦ (1 / 2) ^ n
this : ∀ (n : ℕ), 0 < d n
u : ℕ → GHSpace
hu : ∀ (N n m : ℕ), N ≤ n → N ≤ m → dist (u n) (u m) < d N
X : (n : ℕ) → Type := fun (n : ℕ) ↦ (u n).Rep
Y : (n : ℕ) → AuxGluingStruct (X n) := auxGluing X
E :
  ∀ (n : ℕ),
    GlueSpace (Y := OptimalGHCoupling (X n) (X (n + 1))) ⋯ ⋯ = AuxGluingStruct.Space (A := X (n + 1)) (Y (n + 1))
c : (n : ℕ) →
  (a : GlueSpace (Y := OptimalGHCoupling (X n) (X (n + 1))) ⋯ ⋯) → AuxGluingStruct.Space (A := X (n + 1)) (Y (n + 1)) :=
  fun (n : ℕ) ↦ cast ⋯
ic : ∀ (n : ℕ), Isometry (c n)
f : (n : ℕ) → (Y n).Space → AuxGluingStruct.Space (A := X (n + 1)) (Y (n + 1)) := fun (n : ℕ) ↦ c n ∘ toGlueL ⋯ ⋯
I : ∀ (n : ℕ), Isometry (f n)
Z0 : Type := InductiveLimit (X := fun (n : ℕ) ↦ (Y n).Space) I
Z : Type := UniformSpace.Completion Z0
Φ : (n : ℕ) → (x : (Y n).Space) → InductiveLimit (X := fun (n : ℕ) ↦ (Y n).Space) I :=
  toInductiveLimit (X := fun (n : ℕ) ↦ (Y n).Space) I
coeZ : Z0 → UniformSpace.Completion Z0 := UniformSpace.Completion.coe'
X2 : (n : ℕ) → Set (UniformSpace.Completion Z0) := fun (n : ℕ) ↦ range (coeZ ∘ Φ n ∘ (Y n).embed)
isom : ∀ (n : ℕ), Isometry (coeZ ∘ Φ n ∘ (Y n).embed)
X2n : ∀ (n : ℕ), X2 n = range ((coeZ ∘ Φ n.succ ∘ c n ∘ toGlueR ⋯ ⋯) ∘ optimalGHInjl (X n) (X n.succ))
X2nsucc : ∀ (n : ℕ), X2 n.succ = range ((coeZ ∘ Φ n.succ ∘ c n ∘ toGlueR ⋯ ⋯) ∘ optimalGHInjr (X n) (X n.succ))
D2 : ∀ (n : ℕ), hausdorffDist (X2 n) (X2 n.succ) < d n
X3 : ℕ → NonemptyCompacts Z := fun (n : ℕ) ↦ { carrier := X2 n, isCompact' := ⋯, nonempty' := ⋯ }
refine : ∀ (n : ℕ), dist (X3 n) (X3 (n + 1)) ≤ 1 * (1 / 2) ^ n
⊢ CauchySeq X3

Tactic:
refine cauchySeq_of_le_geometric (1 / 2) 1 (by norm_num) fun n => ?_

Premises used: cauchySeq_of_le_geometric, HDiv.hDiv, OfNat.ofNat
-- Module: Mathlib.Topology.MetricSpace.GromovHausdorff
Goal:
X_1 : ℕ → Type
inst : (n : ℕ) → MetricSpace (X_1 n)
inst_1 : ∀ (n : ℕ), CompactSpace (X_1 n)
inst_2 : ∀ (n : ℕ), Nonempty (X_1 n)
d : (n : ℕ) → ℝ := fun (n : ℕ) ↦ (1 / 2) ^ n
this : ∀ (n : ℕ), 0 < d n
u : ℕ → GHSpace
hu : ∀ (N n m : ℕ), N ≤ n → N ≤ m → dist (u n) (u m) < d N
X : (n : ℕ) → Type := fun (n : ℕ) ↦ (u n).Rep
Y : (n : ℕ) → AuxGluingStruct (X n) := auxGluing X
E :
  ∀ (n : ℕ),
    GlueSpace (Y := OptimalGHCoupling (X n) (X (n + 1))) ⋯ ⋯ = AuxGluingStruct.Space (A := X (n + 1)) (Y (n + 1))
c : (n : ℕ) →
  (a : GlueSpace (Y := OptimalGHCoupling (X n) (X (n + 1))) ⋯ ⋯) → AuxGluingStruct.Space (A := X (n + 1)) (Y (n + 1)) :=
  fun (n : ℕ) ↦ cast ⋯
ic : ∀ (n : ℕ), Isometry (c n)
f : (n : ℕ) → (Y n).Space → AuxGluingStruct.Space (A := X (n + 1)) (Y (n + 1)) := fun (n : ℕ) ↦ c n ∘ toGlueL ⋯ ⋯
I : ∀ (n : ℕ), Isometry (f n)
Z0 : Type := InductiveLimit (X := fun (n : ℕ) ↦ (Y n).Space) I
Z : Type := UniformSpace.Completion Z0
Φ : (n : ℕ) → (x : (Y n).Space) → InductiveLimit (X := fun (n : ℕ) ↦ (Y n).Space) I :=
  toInductiveLimit (X := fun (n : ℕ) ↦ (Y n).Space) I
coeZ : Z0 → UniformSpace.Completion Z0 := UniformSpace.Completion.coe'
X2 : (n : ℕ) → Set (UniformSpace.Completion Z0) := fun (n : ℕ) ↦ range (coeZ ∘ Φ n ∘ (Y n).embed)
isom : ∀ (n : ℕ), Isometry (coeZ ∘ Φ n ∘ (Y n).embed)
X2n : ∀ (n : ℕ), X2 n = range ((coeZ ∘ Φ n.succ ∘ c n ∘ toGlueR ⋯ ⋯) ∘ optimalGHInjl (X n) (X n.succ))
X2nsucc : ∀ (n : ℕ), X2 n.succ = range ((coeZ ∘ Φ n.succ ∘ c n ∘ toGlueR ⋯ ⋯) ∘ optimalGHInjr (X n) (X n.succ))
D2 : ∀ (n : ℕ), hausdorffDist (X2 n) (X2 n.succ) < d n
X3 : ℕ → NonemptyCompacts Z := fun (n : ℕ) ↦ { carrier := X2 n, isCompact' := ⋯, nonempty' := ⋯ }
n : ℕ
rw : dist (X3 n) (X3 (n + 1)) ≤ (1 / 2) ^ n
⊢ dist (X3 n) (X3 (n + 1)) ≤ 1 * (1 / 2) ^ n

Tactic:
rw [one_mul]

Premises used: one_mul
-- Module: Mathlib.Topology.MetricSpace.GromovHausdorff
Goal:
X_1 : ℕ → Type
inst : (n : ℕ) → MetricSpace (X_1 n)
inst_1 : ∀ (n : ℕ), CompactSpace (X_1 n)
inst_2 : ∀ (n : ℕ), Nonempty (X_1 n)
d : (n : ℕ) → ℝ := fun (n : ℕ) ↦ (1 / 2) ^ n
this : ∀ (n : ℕ), 0 < d n
u : ℕ → GHSpace
hu : ∀ (N n m : ℕ), N ≤ n → N ≤ m → dist (u n) (u m) < d N
X : (n : ℕ) → Type := fun (n : ℕ) ↦ (u n).Rep
Y : (n : ℕ) → AuxGluingStruct (X n) := auxGluing X
E :
  ∀ (n : ℕ),
    GlueSpace (Y := OptimalGHCoupling (X n) (X (n + 1))) ⋯ ⋯ = AuxGluingStruct.Space (A := X (n + 1)) (Y (n + 1))
c : (n : ℕ) →
  (a : GlueSpace (Y := OptimalGHCoupling (X n) (X (n + 1))) ⋯ ⋯) → AuxGluingStruct.Space (A := X (n + 1)) (Y (n + 1)) :=
  fun (n : ℕ) ↦ cast ⋯
ic : ∀ (n : ℕ), Isometry (c n)
f : (n : ℕ) → (Y n).Space → AuxGluingStruct.Space (A := X (n + 1)) (Y (n + 1)) := fun (n : ℕ) ↦ c n ∘ toGlueL ⋯ ⋯
I : ∀ (n : ℕ), Isometry (f n)
Z0 : Type := InductiveLimit (X := fun (n : ℕ) ↦ (Y n).Space) I
Z : Type := UniformSpace.Completion Z0
Φ : (n : ℕ) → (x : (Y n).Space) → InductiveLimit (X := fun (n : ℕ) ↦ (Y n).Space) I :=
  toInductiveLimit (X := fun (n : ℕ) ↦ (Y n).Space) I
coeZ : Z0 → UniformSpace.Completion Z0 := UniformSpace.Completion.coe'
X2 : (n : ℕ) → Set (UniformSpace.Completion Z0) := fun (n : ℕ) ↦ range (coeZ ∘ Φ n ∘ (Y n).embed)
isom : ∀ (n : ℕ), Isometry (coeZ ∘ Φ n ∘ (Y n).embed)
X2n : ∀ (n : ℕ), X2 n = range ((coeZ ∘ Φ n.succ ∘ c n ∘ toGlueR ⋯ ⋯) ∘ optimalGHInjl (X n) (X n.succ))
X2nsucc : ∀ (n : ℕ), X2 n.succ = range ((coeZ ∘ Φ n.succ ∘ c n ∘ toGlueR ⋯ ⋯) ∘ optimalGHInjr (X n) (X n.succ))
D2 : ∀ (n : ℕ), hausdorffDist (X2 n) (X2 n.succ) < d n
X3 : ℕ → NonemptyCompacts Z := fun (n : ℕ) ↦ { carrier := X2 n, isCompact' := ⋯, nonempty' := ⋯ }
n : ℕ
⊢ dist (X3 n) (X3 (n + 1)) ≤ (1 / 2) ^ n

Tactic:
le_of_lt (D2 n)

Premises used: le_of_lt