Module: Mathlib.Geometry.Manifold.VectorBundle.Pullback

Goal state before:
pp: 𝕜 : Type u_1
B : Type u_2
B' : Type u_3
F : Type u_4
E : B → Type u_5
n : WithTop ℕ∞
inst✝¹⁹ : NontriviallyNormedField 𝕜
inst✝¹⁸ : (x : B) → AddCommMonoid (E x)
inst✝¹⁷ : (x : B) → Module 𝕜 (E x)
inst✝¹⁶ : NormedAddCommGroup F
inst✝¹⁵ : NormedSpace 𝕜 F
inst✝¹⁴ : TopologicalSpace (TotalSpace F E)
inst✝¹³ : (x : B) → TopologicalSpace (E x)
EB : Type u_6
inst✝¹² : NormedAddCommGroup EB
inst✝¹¹ : NormedSpace 𝕜 EB
HB : Type u_7
inst✝¹⁰ : TopologicalSpace HB
IB : ModelWithCorners 𝕜 EB HB
inst✝⁹ : TopologicalSpace B
inst✝⁸ : ChartedSpace HB B
EB' : Type u_8
inst✝⁷ : NormedAddCommGroup EB'
inst✝⁶ : NormedSpace 𝕜 EB'
HB' : Type u_9
inst✝⁵ : TopologicalSpace HB'
IB' : ModelWithCorners 𝕜 EB' HB'
inst✝⁴ : TopologicalSpace B'
inst✝³ : ChartedSpace HB' B'
inst✝² : FiberBundle F E
inst✝¹ : VectorBundle 𝕜 F E
inst✝ : ContMDiffVectorBundle n F E IB
f : C^n⟮IB', B'; IB, B⟯
e : Trivialization F TotalSpace.proj
he : MemTrivializationAtlas e
e' : Trivialization F TotalSpace.proj
he' : MemTrivializationAtlas e'
b : B'
hb : f b ∈ e.baseSet ∩ e'.baseSet
v : F
⊢ (Trivialization.coordChangeL 𝕜 (e.pullback f) (e'.pullback f) b) v = (↑e' ⟨f b, e.symm (f b) v⟩).2

Tactic:
(e.pullback f).coordChangeL_apply' _

Goal state after:
𝕜 : Type u_1
B : Type u_2
B' : Type u_3
F : Type u_4
E : B → Type u_5
n : WithTop ℕ∞
inst✝¹⁹ : NontriviallyNormedField 𝕜
inst✝¹⁸ : (x : B) → AddCommMonoid (E x)
inst✝¹⁷ : (x : B) → Module 𝕜 (E x)
inst✝¹⁶ : NormedAddCommGroup F
inst✝¹⁵ : NormedSpace 𝕜 F
inst✝¹⁴ : TopologicalSpace (TotalSpace F E)
inst✝¹³ : (x : B) → TopologicalSpace (E x)
EB : Type u_6
inst✝¹² : NormedAddCommGroup EB
inst✝¹¹ : NormedSpace 𝕜 EB
HB : Type u_7
inst✝¹⁰ : TopologicalSpace HB
IB : ModelWithCorners 𝕜 EB HB
inst✝⁹ : TopologicalSpace B
inst✝⁸ : ChartedSpace HB B
EB' : Type u_8
inst✝⁷ : NormedAddCommGroup EB'
inst✝⁶ : NormedSpace 𝕜 EB'
HB' : Type u_9
inst✝⁵ : TopologicalSpace HB'
IB' : ModelWithCorners 𝕜 EB' HB'
inst✝⁴ : TopologicalSpace B'
inst✝³ : ChartedSpace HB' B'
inst✝² : FiberBundle F E
inst✝¹ : VectorBundle 𝕜 F E
inst✝ : ContMDiffVectorBundle n F E IB
f : C^n⟮IB', B'; IB, B⟯
e : Trivialization F TotalSpace.proj
he : MemTrivializationAtlas e
e' : Trivialization F TotalSpace.proj
he' : MemTrivializationAtlas e'
b : B'
hb : f b ∈ e.baseSet ∩ e'.baseSet
v : F
⊢ (↑(e'.pullback f) (↑(e.pullback f).symm (b, v))).2 = (↑e' ⟨f b, e.symm (f b) v⟩).2

case hb
𝕜 : Type u_1
B : Type u_2
B' : Type u_3
F : Type u_4
E : B → Type u_5
n : WithTop ℕ∞
inst✝¹⁹ : NontriviallyNormedField 𝕜
inst✝¹⁸ : (x : B) → AddCommMonoid (E x)
inst✝¹⁷ : (x : B) → Module 𝕜 (E x)
inst✝¹⁶ : NormedAddCommGroup F
inst✝¹⁵ : NormedSpace 𝕜 F
inst✝¹⁴ : TopologicalSpace (TotalSpace F E)
inst✝¹³ : (x : B) → TopologicalSpace (E x)
EB : Type u_6
inst✝¹² : NormedAddCommGroup EB
inst✝¹¹ : NormedSpace 𝕜 EB
HB : Type u_7
inst✝¹⁰ : TopologicalSpace HB
IB : ModelWithCorners 𝕜 EB HB
inst✝⁹ : TopologicalSpace B
inst✝⁸ : ChartedSpace HB B
EB' : Type u_8
inst✝⁷ : NormedAddCommGroup EB'
inst✝⁶ : NormedSpace 𝕜 EB'
HB' : Type u_9
inst✝⁵ : TopologicalSpace HB'
IB' : ModelWithCorners 𝕜 EB' HB'
inst✝⁴ : TopologicalSpace B'
inst✝³ : ChartedSpace HB' B'
inst✝² : FiberBundle F E
inst✝¹ : VectorBundle 𝕜 F E
inst✝ : ContMDiffVectorBundle n F E IB
f : C^n⟮IB', B'; IB, B⟯
e : Trivialization F TotalSpace.proj
he : MemTrivializationAtlas e
e' : Trivialization F TotalSpace.proj
he' : MemTrivializationAtlas e'
b : B'
hb : f b ∈ e.baseSet ∩ e'.baseSet
v : F
⊢ b ∈ (e.pullback f).baseSet ∩ (e'.pullback f).baseSet