Theorem: cfcₙHom_of_cfcHom_map_quasispectrum
File: Mathlib/Analysis/CstarAlgebra/ContinuousFunctionalCalculus/NonUnital.lean

Proof steps:
state_before: R : Type u_1
A : Type u_2
p : A → Prop
inst✝¹⁰ : Field R
inst✝⁹ : StarRing R
inst✝⁸ : MetricSpace R
inst✝⁷ : CompleteSpace R
inst✝⁶ : TopologicalRing R
inst✝⁵ : ContinuousStar R
inst✝⁴ : Ring A
inst✝³ : StarRing A
inst✝² : TopologicalSpace A
inst✝¹ : Algebra R A
inst✝ : ContinuousFunctionalCalculus R p
h_cpct : ∀ (a : A), CompactSpace ↑(spectrum R a)
a : A
ha : p a
⊢ ∀ (f : C(↑(σₙ R a), R)₀), σₙ R ((cfcₙHom_of_cfcHom R ha) f) = range ⇑f
state_after: R : Type u_1
A : Type u_2
p : A → Prop
inst✝¹⁰ : Field R
inst✝⁹ : StarRing R
inst✝⁸ : MetricSpace R
inst✝⁷ : CompleteSpace R
inst✝⁶ : TopologicalRing R
inst✝⁵ : ContinuousStar R
inst✝⁴ : Ring A
inst✝³ : StarRing A
inst✝² : TopologicalSpace A
inst✝¹ : Algebra R A
inst✝ : ContinuousFunctionalCalculus R p
h_cpct : ∀ (a : A), CompactSpace ↑(spectrum R a)
a : A
ha : p a
f : C(↑(σₙ R a), R)₀
⊢ σₙ R ((cfcₙHom_of_cfcHom R ha) f) = range ⇑f
tactic: intro f
state_before: R : Type u_1
A : Type u_2
p : A → Prop
inst✝¹⁰ : Field R
inst✝⁹ : StarRing R
inst✝⁸ : MetricSpace R
inst✝⁷ : CompleteSpace R
inst✝⁶ : TopologicalRing R
inst✝⁵ : ContinuousStar R
inst✝⁴ : Ring A
inst✝³ : StarRing A
inst✝² : TopologicalSpace A
inst✝¹ : Algebra R A
inst✝ : ContinuousFunctionalCalculus R p
h_cpct : ∀ (a : A), CompactSpace ↑(spectrum R a)
a : A
ha : p a
f : C(↑(σₙ R a), R)₀
⊢ σₙ R ((cfcₙHom_of_cfcHom R ha) f) = range ⇑f
state_after: R : Type u_1
A : Type u_2
p : A → Prop
inst✝¹⁰ : Field R
inst✝⁹ : StarRing R
inst✝⁸ : MetricSpace R
inst✝⁷ : CompleteSpace R
inst✝⁶ : TopologicalRing R
inst✝⁵ : ContinuousStar R
inst✝⁴ : Ring A
inst✝³ : StarRing A
inst✝² : TopologicalSpace A
inst✝¹ : Algebra R A
inst✝ : ContinuousFunctionalCalculus R p
h_cpct : ∀ (a : A), CompactSpace ↑(spectrum R a)
a : A
ha : p a
f : C(↑(σₙ R a), R)₀
⊢ σₙ R
      (((↑(cfcHom ha)).comp
          ((↑(compStarAlgHom' R R { toFun := inclusion ⋯, continuous_toFun := ⋯ })).comp toContinuousMapHom))
        f) =
    range ⇑f
tactic: simp only [cfcₙHom_of_cfcHom]
state_before: R : Type u_1
A : Type u_2
p : A → Prop
inst✝¹⁰ : Field R
inst✝⁹ : StarRing R
inst✝⁸ : MetricSpace R
inst✝⁷ : CompleteSpace R
inst✝⁶ : TopologicalRing R
inst✝⁵ : ContinuousStar R
inst✝⁴ : Ring A
inst✝³ : StarRing A
inst✝² : TopologicalSpace A
inst✝¹ : Algebra R A
inst✝ : ContinuousFunctionalCalculus R p
h_cpct : ∀ (a : A), CompactSpace ↑(spectrum R a)
a : A
ha : p a
f : C(↑(σₙ R a), R)₀
⊢ σₙ R
      (((↑(cfcHom ha)).comp
          ((↑(compStarAlgHom' R R { toFun := inclusion ⋯, continuous_toFun := ⋯ })).comp toContinuousMapHom))
        f) =
    range ⇑f
state_after: R : Type u_1
A : Type u_2
p : A → Prop
inst✝¹⁰ : Field R
inst✝⁹ : StarRing R
inst✝⁸ : MetricSpace R
inst✝⁷ : CompleteSpace R
inst✝⁶ : TopologicalRing R
inst✝⁵ : ContinuousStar R
inst✝⁴ : Ring A
inst✝³ : StarRing A
inst✝² : TopologicalSpace A
inst✝¹ : Algebra R A
inst✝ : ContinuousFunctionalCalculus R p
h_cpct : ∀ (a : A), CompactSpace ↑(spectrum R a)
a : A
ha : p a
f : C(↑(σₙ R a), R)₀
⊢ spectrum R
        (((↑(cfcHom ha)).comp
            ((↑(compStarAlgHom' R R { toFun := inclusion ⋯, continuous_toFun := ⋯ })).comp toContinuousMapHom))
          f) ∪
      {0} =
    range ⇑f
tactic: rw [quasispectrum_eq_spectrum_union_zero]
state_before: R : Type u_1
A : Type u_2
p : A → Prop
inst✝¹⁰ : Field R
inst✝⁹ : StarRing R
inst✝⁸ : MetricSpace R
inst✝⁷ : CompleteSpace R
inst✝⁶ : TopologicalRing R
inst✝⁵ : ContinuousStar R
inst✝⁴ : Ring A
inst✝³ : StarRing A
inst✝² : TopologicalSpace A
inst✝¹ : Algebra R A
inst✝ : ContinuousFunctionalCalculus R p
h_cpct : ∀ (a : A), CompactSpace ↑(spectrum R a)
a : A
ha : p a
f : C(↑(σₙ R a), R)₀
⊢ spectrum R
        (((↑(cfcHom ha)).comp
            ((↑(compStarAlgHom' R R { toFun := inclusion ⋯, continuous_toFun := ⋯ })).comp toContinuousMapHom))
          f) ∪
      {0} =
    range ⇑f
state_after: R : Type u_1
A : Type u_2
p : A → Prop
inst✝¹⁰ : Field R
inst✝⁹ : StarRing R
inst✝⁸ : MetricSpace R
inst✝⁷ : CompleteSpace R
inst✝⁶ : TopologicalRing R
inst✝⁵ : ContinuousStar R
inst✝⁴ : Ring A
inst✝³ : StarRing A
inst✝² : TopologicalSpace A
inst✝¹ : Algebra R A
inst✝ : ContinuousFunctionalCalculus R p
h_cpct : ∀ (a : A), CompactSpace ↑(spectrum R a)
a : A
ha : p a
f : C(↑(σₙ R a), R)₀
⊢ spectrum R
        ((cfcHom ha) ((compStarAlgHom' R R { toFun := inclusion ⋯, continuous_toFun := ⋯ }) (toContinuousMapHom f))) ∪
      {0} =
    range ⇑f
tactic: simp only [NonUnitalStarAlgHom.comp_assoc, NonUnitalStarAlgHom.comp_apply,
    NonUnitalStarAlgHom.coe_coe]
state_before: R : Type u_1
A : Type u_2
p : A → Prop
inst✝¹⁰ : Field R
inst✝⁹ : StarRing R
inst✝⁸ : MetricSpace R
inst✝⁷ : CompleteSpace R
inst✝⁶ : TopologicalRing R
inst✝⁵ : ContinuousStar R
inst✝⁴ : Ring A
inst✝³ : StarRing A
inst✝² : TopologicalSpace A
inst✝¹ : Algebra R A
inst✝ : ContinuousFunctionalCalculus R p
h_cpct : ∀ (a : A), CompactSpace ↑(spectrum R a)
a : A
ha : p a
f : C(↑(σₙ R a), R)₀
⊢ spectrum R
        ((cfcHom ha) ((compStarAlgHom' R R { toFun := inclusion ⋯, continuous_toFun := ⋯ }) (toContinuousMapHom f))) ∪
      {0} =
    range ⇑f
state_after: R : Type u_1
A : Type u_2
p : A → Prop
inst✝¹⁰ : Field R
inst✝⁹ : StarRing R
inst✝⁸ : MetricSpace R
inst✝⁷ : CompleteSpace R
inst✝⁶ : TopologicalRing R
inst✝⁵ : ContinuousStar R
inst✝⁴ : Ring A
inst✝³ : StarRing A
inst✝² : TopologicalSpace A
inst✝¹ : Algebra R A
inst✝ : ContinuousFunctionalCalculus R p
h_cpct : ∀ (a : A), CompactSpace ↑(spectrum R a)
a : A
ha : p a
f : C(↑(σₙ R a), R)₀
⊢ range ⇑((compStarAlgHom' R R { toFun := inclusion ⋯, continuous_toFun := ⋯ }) (toContinuousMapHom f)) ∪ {0} = range ⇑f
tactic: rw [cfcHom_map_spectrum ha]
state_before: R : Type u_1
A : Type u_2
p : A → Prop
inst✝¹⁰ : Field R
inst✝⁹ : StarRing R
inst✝⁸ : MetricSpace R
inst✝⁷ : CompleteSpace R
inst✝⁶ : TopologicalRing R
inst✝⁵ : ContinuousStar R
inst✝⁴ : Ring A
inst✝³ : StarRing A
inst✝² : TopologicalSpace A
inst✝¹ : Algebra R A
inst✝ : ContinuousFunctionalCalculus R p
h_cpct : ∀ (a : A), CompactSpace ↑(spectrum R a)
a : A
ha : p a
f : C(↑(σₙ R a), R)₀
⊢ range ⇑((compStarAlgHom' R R { toFun := inclusion ⋯, continuous_toFun := ⋯ }) (toContinuousMapHom f)) ∪ {0} = range ⇑f
state_after: case h
R : Type u_1
A : Type u_2
p : A → Prop
inst✝¹⁰ : Field R
inst✝⁹ : StarRing R
inst✝⁸ : MetricSpace R
inst✝⁷ : CompleteSpace R
inst✝⁶ : TopologicalRing R
inst✝⁵ : ContinuousStar R
inst✝⁴ : Ring A
inst✝³ : StarRing A
inst✝² : TopologicalSpace A
inst✝¹ : Algebra R A
inst✝ : ContinuousFunctionalCalculus R p
h_cpct : ∀ (a : A), CompactSpace ↑(spectrum R a)
a : A
ha : p a
f : C(↑(σₙ R a), R)₀
x : R
⊢ x ∈ range ⇑((compStarAlgHom' R R { toFun := inclusion ⋯, continuous_toFun := ⋯ }) (toContinuousMapHom f)) ∪ {0} ↔
    x ∈ range ⇑f
tactic: ext x
state_before: case h
R : Type u_1
A : Type u_2
p : A → Prop
inst✝¹⁰ : Field R
inst✝⁹ : StarRing R
inst✝⁸ : MetricSpace R
inst✝⁷ : CompleteSpace R
inst✝⁶ : TopologicalRing R
inst✝⁵ : ContinuousStar R
inst✝⁴ : Ring A
inst✝³ : StarRing A
inst✝² : TopologicalSpace A
inst✝¹ : Algebra R A
inst✝ : ContinuousFunctionalCalculus R p
h_cpct : ∀ (a : A), CompactSpace ↑(spectrum R a)
a : A
ha : p a
f : C(↑(σₙ R a), R)₀
x : R
⊢ x ∈ range ⇑((compStarAlgHom' R R { toFun := inclusion ⋯, continuous_toFun := ⋯ }) (toContinuousMapHom f)) ∪ {0} ↔
    x ∈ range ⇑f
state_after: case h.mp
R : Type u_1
A : Type u_2
p : A → Prop
inst✝¹⁰ : Field R
inst✝⁹ : StarRing R
inst✝⁸ : MetricSpace R
inst✝⁷ : CompleteSpace R
inst✝⁶ : TopologicalRing R
inst✝⁵ : ContinuousStar R
inst✝⁴ : Ring A
inst✝³ : StarRing A
inst✝² : TopologicalSpace A
inst✝¹ : Algebra R A
inst✝ : ContinuousFunctionalCalculus R p
h_cpct : ∀ (a : A), CompactSpace ↑(spectrum R a)
a : A
ha : p a
f : C(↑(σₙ R a), R)₀
x : R
⊢ x ∈ range ⇑((compStarAlgHom' R R { toFun := inclusion ⋯, continuous_toFun := ⋯ }) (toContinuousMapHom f)) ∪ {0} →
    x ∈ range ⇑f

case h.mpr
R : Type u_1
A : Type u_2
p : A → Prop
inst✝¹⁰ : Field R
inst✝⁹ : StarRing R
inst✝⁸ : MetricSpace R
inst✝⁷ : CompleteSpace R
inst✝⁶ : TopologicalRing R
inst✝⁵ : ContinuousStar R
inst✝⁴ : Ring A
inst✝³ : StarRing A
inst✝² : TopologicalSpace A
inst✝¹ : Algebra R A
inst✝ : ContinuousFunctionalCalculus R p
h_cpct : ∀ (a : A), CompactSpace ↑(spectrum R a)
a : A
ha : p a
f : C(↑(σₙ R a), R)₀
x : R
⊢ x ∈ range ⇑f →
    x ∈ range ⇑((compStarAlgHom' R R { toFun := inclusion ⋯, continuous_toFun := ⋯ }) (toContinuousMapHom f)) ∪ {0}
tactic: constructor