mathlib-initiative/mathlib-tactics huggingface dataset:
Module: Mathlib.Analysis.CStarAlgebra.ContinuousFunctionalCalculus.Unital

Goal state before:
pp: R : Type u_1
A : Type u_2
p : A → Prop
inst✝⁹ : CommRing R
inst✝⁸ : StarRing R
inst✝⁷ : MetricSpace R
inst✝⁶ : IsTopologicalRing R
inst✝⁵ : ContinuousStar R
inst✝⁴ : TopologicalSpace A
inst✝³ : Ring A
inst✝² : StarRing A
inst✝¹ : Algebra R A
inst✝ : ContinuousFunctionalCalculus R A p
f : R → R
a : A
h : ¬(p a ∧ ContinuousOn f (spectrum R a))
hf : ¬ContinuousOn f (spectrum R a)
hf_neg : ContinuousOn (fun x ↦ -f x) (spectrum R a)
⊢ ContinuousOn f (spectrum R a)

Tactic:
by

Goal state after:
Module: Mathlib.Topology.EMetricSpace.BoundedVariation

Goal state before:
pp: α : Type u_1
inst✝³ : LinearOrder α
E : Type u_2
inst✝² : PseudoEMetricSpace E
inst✝¹ : TopologicalSpace α
inst✝ : OrderTopology α
f g : α → E
s : Set α
hg : ∀ x ∈ s, MapClusterPt (g x) (𝓝[s] x) f
n : ℕ
u : ℕ → α
u_mono : StrictMonoOn u (Iic n)
u_mem : ∀ i ∈ Iic n, u i ∈ s
this✝ : Nonempty α
c : ℝ≥0∞
hc : c < ∑ x ∈ Finset.range n, edist (g (u (x + 1))) (g (u x))
this : ∀ᶠ (b : ℕ → E) in Filter.pi fun i ↦ 𝓝 (g (u i)), c < ∑ i ∈ Finset.range n, edist (b (i + 1)) (b i)
I : Set ℕ
I_fin : I.Finite
t : ℕ → Set E
t_mem : ∀ (i : ℕ), t i ∈ 𝓝 (g (u i))
ht : I.pi t ⊆ {b | c < ∑ i ∈ Finset.range n, edist (b (i + 1)) (b i)}
i : ℕ × ℕ
hi : i ∈ {i ∈ Finset.Iic n ×ˢ Finset.Iic n | i.1 < i.2}
⊢ Continuous[Pi.topologicalSpace, inst✝¹] fun x ↦ x i.1

Tactic:
by

Goal state after:
Module: Mathlib.Analysis.CStarAlgebra.ContinuousFunctionalCalculus.Restrict

Goal state before:
pp: R : Type u_1
S : Type u_2
A : Type u_3
p q : A → Prop
inst✝²⁵ : Semifield R
inst✝²⁴ : StarRing R
inst✝²³ : MetricSpace R
inst✝²² : IsTopologicalSemiring R
inst✝²¹ : ContinuousStar R
inst✝²⁰ : Field S
inst✝¹⁹ : StarRing S
inst✝¹⁸ : MetricSpace S
inst✝¹⁷ : IsTopologicalRing S
inst✝¹⁶ : ContinuousStar S
inst✝¹⁵ : NonUnitalRing A
inst✝¹⁴ : StarRing A
inst✝¹³ : Module S A
inst✝¹² : IsScalarTower S A A
inst✝¹¹ : SMulCommClass S A A
inst✝¹⁰ : Algebra R S
inst✝⁹ : Module R A
inst✝⁸ : IsScalarTower R S A
inst✝⁷ : StarModule R S
inst✝⁶ : ContinuousSMul R S
inst✝⁵ : TopologicalSpace A
inst✝⁴ : NonUnitalContinuousFunctionalCalculus S A q
inst✝³ : IsScalarTower R A A
inst✝² : SMulCommClass R A A
inst✝¹ : NonUnitalContinuousFunctionalCalculus R A p
inst✝ : UniqueHom R A
f : C(S, R)
halg : IsClosedEmbedding ⇑(algebraMap R S)
a : A
hpa : p a
hqa : q a
h : QuasispectrumRestricts a ⇑f
g : R → R
hg : ¬ContinuousOn g (σₙ R a)
⊢ ¬ContinuousOn (fun x ↦ (algebraMap R S) (g (f x))) (σₙ S a)

Tactic:
by

Goal state after:
Module: Mathlib.Analysis.CStarAlgebra.ContinuousFunctionalCalculus.Unital

Goal state before:
pp: R : Type u_1
A : Type u_2
p : A → Prop
inst✝⁹ : CommRing R
inst✝⁸ : StarRing R
inst✝⁷ : MetricSpace R
inst✝⁶ : IsTopologicalRing R
inst✝⁵ : ContinuousStar R
inst✝⁴ : TopologicalSpace A
inst✝³ : Ring A
inst✝² : StarRing A
inst✝¹ : Algebra R A
inst✝ : ContinuousFunctionalCalculus R A p
f : R → R
a : A
⊢ cfc (fun x ↦ -f x) a = -cfc f a

Tactic:
by

Goal state after:
Module: Mathlib.Analysis.CStarAlgebra.ContinuousFunctionalCalculus.NonUnital

Goal state before:
pp: R : Type u_1
A : Type u_2
p : A → Prop
inst✝¹¹ : CommSemiring R
inst✝¹⁰ : Nontrivial R
inst✝⁹ : StarRing R
inst✝⁸ : MetricSpace R
inst✝⁷ : IsTopologicalSemiring R
inst✝⁶ : ContinuousStar R
inst✝⁵ : NonUnitalRing A
inst✝⁴ : StarRing A
inst✝³ : TopologicalSpace A
inst✝² : Module R A
inst✝¹ : IsScalarTower R A A
inst✝ : SMulCommClass R A A
instCFCₙ : NonUnitalContinuousFunctionalCalculus R A p
f : R → R
a : A
hf : ContinuousOn f (σₙ R a)
hf0 : f 0 = 0
ha : p a
⊢ cfcₙ f a = (cfcₙHom ha) { toFun := (σₙ R a).domRestrict f, continuous_toFun := ⋯, map_zero' := hf0 }

Tactic:
by

Goal state after:
Module: Mathlib.Analysis.CStarAlgebra.ContinuousFunctionalCalculus.Unital

Goal state before:
pp: R : Type u_1
A : Type u_2
p : A → Prop
inst✝⁹ : CommRing R
inst✝⁸ : StarRing R
inst✝⁷ : MetricSpace R
inst✝⁶ : IsTopologicalRing R
inst✝⁵ : ContinuousStar R
inst✝⁴ : TopologicalSpace A
inst✝³ : Ring A
inst✝² : StarRing A
inst✝¹ : Algebra R A
inst✝ : ContinuousFunctionalCalculus R A p
f : R → R
⊢ cfc (-f) = -cfc f

Tactic:
by

Goal state after:
Module: Mathlib.Topology.EMetricSpace.BoundedVariation

Goal state before:
pp: α : Type u_1
inst✝³ : LinearOrder α
E : Type u_2
inst✝² : PseudoEMetricSpace E
inst✝¹ : TopologicalSpace α
inst✝ : OrderTopology α
f g : α → E
s : Set α
hg : ∀ x ∈ s, MapClusterPt (g x) (𝓝[s] x) f
n : ℕ
u : ℕ → α
u_mono : StrictMonoOn u (Iic n)
u_mem : ∀ i ∈ Iic n, u i ∈ s
this✝ : Nonempty α
c : ℝ≥0∞
hc : c < ∑ x ∈ Finset.range n, edist (g (u (x + 1))) (g (u x))
this : ∀ᶠ (b : ℕ → E) in Filter.pi fun i ↦ 𝓝 (g (u i)), c < ∑ i ∈ Finset.range n, edist (b (i + 1)) (b i)
I : Set ℕ
I_fin : I.Finite
t : ℕ → Set E
t_mem : ∀ (i : ℕ), t i ∈ 𝓝 (g (u i))
ht : I.pi t ⊆ {b | c < ∑ i ∈ Finset.range n, edist (b (i + 1)) (b i)}
i : ℕ × ℕ
hi : i ∈ {i ∈ Finset.Iic n ×ˢ Finset.Iic n | i.1 < i.2}
⊢ Continuous[Pi.topologicalSpace, inst✝¹] fun x ↦ x i.2

Tactic:
by

Goal state after:
Module: Mathlib.Analysis.CStarAlgebra.ContinuousFunctionalCalculus.Unital

Goal state before:
pp: R : Type u_1
A : Type u_2
p : A → Prop
inst✝⁹ : CommRing R
inst✝⁸ : StarRing R
inst✝⁷ : MetricSpace R
inst✝⁶ : IsTopologicalRing R
inst✝⁵ : ContinuousStar R
inst✝⁴ : TopologicalSpace A
inst✝³ : Ring A
inst✝² : StarRing A
inst✝¹ : Algebra R A
inst✝ : ContinuousFunctionalCalculus R A p
a : A
ha : p a
⊢ cfc (fun x ↦ -x) a = -a

Tactic:
by

Goal state after:
Module: Mathlib.Analysis.CStarAlgebra.ContinuousFunctionalCalculus.NonUnital

Goal state before:
pp: R : Type u_1
A : Type u_2
p : A → Prop
inst✝¹¹ : CommSemiring R
inst✝¹⁰ : Nontrivial R
inst✝⁹ : StarRing R
inst✝⁸ : MetricSpace R
inst✝⁷ : IsTopologicalSemiring R
inst✝⁶ : ContinuousStar R
inst✝⁵ : NonUnitalRing A
inst✝⁴ : StarRing A
inst✝³ : TopologicalSpace A
inst✝² : Module R A
inst✝¹ : IsScalarTower R A A
inst✝ : SMulCommClass R A A
instCFCₙ : NonUnitalContinuousFunctionalCalculus R A p
ι : Type u_3
f : ι → R → R
a : A
ha : p a
hf : ∀ (i : ι), ContinuousOn (f i) (σₙ R a)
hf0 : ∀ (i : ι), f i 0 = 0
⊢ (fun i ↦ cfcₙ (f i) a) = fun i ↦
    (cfcₙHom ha) { toFun := (σₙ R a).domRestrict (f i), continuous_toFun := ⋯, map_zero' := ⋯ }

Tactic:
by

Goal state after:
Module: Mathlib.Topology.EMetricSpace.BoundedVariation

Goal state before:
pp: α : Type u_1
inst✝³ : LinearOrder α
E : Type u_2
inst✝² : PseudoEMetricSpace E
inst✝¹ : TopologicalSpace α
inst✝ : OrderTopology α
f g : α → E
s : Set α
hg : ∀ x ∈ s, MapClusterPt (g x) (𝓝[s] x) f
n : ℕ
u : ℕ → α
u_mono : StrictMonoOn u (Iic n)
u_mem : ∀ i ∈ Iic n, u i ∈ s
this✝ : Nonempty α
c : ℝ≥0∞
hc : c < ∑ x ∈ Finset.range n, edist (g (u (x + 1))) (g (u x))
this : ∀ᶠ (b : ℕ → E) in Filter.pi fun i ↦ 𝓝 (g (u i)), c < ∑ i ∈ Finset.range n, edist (b (i + 1)) (b i)
I : Set ℕ
I_fin : I.Finite
t : ℕ → Set E
t_mem : ∀ (i : ℕ), t i ∈ 𝓝 (g (u i))
ht : I.pi t ⊆ {b | c < ∑ i ∈ Finset.range n, edist (b (i + 1)) (b i)}
⊢ ∀ᶠ (b : ℕ → α) in 𝓝 u, ∀ i ∈ {i ∈ Finset.Iic n ×ˢ Finset.Iic n | i.1 < i.2}, b i.1 < b i.2

Tactic:
by

Goal state after:
Module: Mathlib.Analysis.CStarAlgebra.ContinuousFunctionalCalculus.Unital

Goal state before:
pp: R : Type u_1
A : Type u_2
p : A → Prop
inst✝¹⁰ : CommRing R
inst✝⁹ : StarRing R
inst✝⁸ : MetricSpace R
inst✝⁷ : IsTopologicalRing R
inst✝⁶ : ContinuousStar R
inst✝⁵ : TopologicalSpace A
inst✝⁴ : Ring A
inst✝³ : StarRing A
inst✝² : Algebra R A
inst✝¹ : ContinuousFunctionalCalculus R A p
f : R → R
a : A
inst✝ : UniqueHom R A
hf : ContinuousOn f ((fun x ↦ -x) '' spectrum R a)
ha : p a
⊢ cfc (fun x ↦ f (-x)) a = cfc f (-a)

Tactic:
by

Goal state after:
Module: Mathlib.Analysis.CStarAlgebra.ContinuousFunctionalCalculus.NonUnital

Goal state before:
pp: R : Type u_1
A : Type u_2
p : A → Prop
inst✝¹¹ : CommSemiring R
inst✝¹⁰ : Nontrivial R
inst✝⁹ : StarRing R
inst✝⁸ : MetricSpace R
inst✝⁷ : IsTopologicalSemiring R
inst✝⁶ : ContinuousStar R
inst✝⁵ : NonUnitalRing A
inst✝⁴ : StarRing A
inst✝³ : TopologicalSpace A
inst✝² : Module R A
inst✝¹ : IsScalarTower R A A
inst✝ : SMulCommClass R A A
instCFCₙ : NonUnitalContinuousFunctionalCalculus R A p
f : R → R
a : A
ha : ¬(p a ∧ ContinuousOn f (σₙ R a) ∧ f 0 = 0)
⊢ cfcₙ f a = 0

Tactic:
by

Goal state after:
Module: Mathlib.Analysis.CStarAlgebra.ContinuousFunctionalCalculus.NonUnital

Goal state before:
pp: R : Type u_1
A : Type u_2
p : A → Prop
inst✝¹¹ : CommSemiring R
inst✝¹⁰ : Nontrivial R
inst✝⁹ : StarRing R
inst✝⁸ : MetricSpace R
inst✝⁷ : IsTopologicalSemiring R
inst✝⁶ : ContinuousStar R
inst✝⁵ : NonUnitalRing A
inst✝⁴ : StarRing A
inst✝³ : TopologicalSpace A
inst✝² : Module R A
inst✝¹ : IsScalarTower R A A
inst✝ : SMulCommClass R A A
instCFCₙ : NonUnitalContinuousFunctionalCalculus R A p
f : R → R
a : A
ha : ¬p a
⊢ cfcₙ f a = 0

Tactic:
by

Goal state after:
Module: Mathlib.Analysis.CStarAlgebra.ContinuousFunctionalCalculus.Restrict

Goal state before:
pp: R : Type u_1
S : Type u_2
A : Type u_3
p q : A → Prop
inst✝²⁵ : Semifield R
inst✝²⁴ : StarRing R
inst✝²³ : MetricSpace R
inst✝²² : IsTopologicalSemiring R
inst✝²¹ : ContinuousStar R
inst✝²⁰ : Field S
inst✝¹⁹ : StarRing S
inst✝¹⁸ : MetricSpace S
inst✝¹⁷ : IsTopologicalRing S
inst✝¹⁶ : ContinuousStar S
inst✝¹⁵ : NonUnitalRing A
inst✝¹⁴ : StarRing A
inst✝¹³ : Module S A
inst✝¹² : IsScalarTower S A A
inst✝¹¹ : SMulCommClass S A A
inst✝¹⁰ : Algebra R S
inst✝⁹ : Module R A
inst✝⁸ : IsScalarTower R S A
inst✝⁷ : StarModule R S
inst✝⁶ : ContinuousSMul R S
inst✝⁵ : TopologicalSpace A
inst✝⁴ : NonUnitalContinuousFunctionalCalculus S A q
inst✝³ : IsScalarTower R A A
inst✝² : SMulCommClass R A A
inst✝¹ : NonUnitalContinuousFunctionalCalculus R A p
inst✝ : UniqueHom R A
f : C(S, R)
halg : IsClosedEmbedding ⇑(algebraMap R S)
a : A
hpa : p a
hqa : q a
h : QuasispectrumRestricts a ⇑f
g : R → R
hg : ¬g 0 = 0
⊢ ¬(algebraMap R S) (g (f 0)) = 0

Tactic:
by

Goal state after:
Module: Mathlib.Analysis.CStarAlgebra.ContinuousFunctionalCalculus.NonUnital

Goal state before:
pp: R : Type u_1
A : Type u_2
p : A → Prop
inst✝¹¹ : CommSemiring R
inst✝¹⁰ : Nontrivial R
inst✝⁹ : StarRing R
inst✝⁸ : MetricSpace R
inst✝⁷ : IsTopologicalSemiring R
inst✝⁶ : ContinuousStar R
inst✝⁵ : NonUnitalRing A
inst✝⁴ : StarRing A
inst✝³ : TopologicalSpace A
inst✝² : Module R A
inst✝¹ : IsScalarTower R A A
inst✝ : SMulCommClass R A A
instCFCₙ : NonUnitalContinuousFunctionalCalculus R A p
f : R → R
a : A
hf : ¬ContinuousOn f (σₙ R a)
⊢ cfcₙ f a = 0

Tactic:
by

Goal state after:
Module: Mathlib.Analysis.CStarAlgebra.ContinuousFunctionalCalculus.Unital

Goal state before:
pp: R : Type u_1
A : Type u_2
p : A → Prop
inst✝¹⁴ : CommSemiring R
inst✝¹³ : PartialOrder R
inst✝¹² : StarRing R
inst✝¹¹ : MetricSpace R
inst✝¹⁰ : IsTopologicalSemiring R
inst✝⁹ : ContinuousStar R
inst✝⁸ : ContinuousSqrt R
inst✝⁷ : StarOrderedRing R
inst✝⁶ : TopologicalSpace A
inst✝⁵ : Ring A
inst✝⁴ : StarRing A
inst✝³ : PartialOrder A
inst✝² : StarOrderedRing A
inst✝¹ : Algebra R A
instCFC : ContinuousFunctionalCalculus R A p
inst✝ : NonnegSpectrumClass R A
a : A
ha : p a
f : C(↑(spectrum R a), R)
⊢ 0 ≤ (cfcHom ha) f ↔ 0 ≤ f

Tactic:
by

Goal state after:
Module: Mathlib.Analysis.CStarAlgebra.ContinuousFunctionalCalculus.NonUnital

Goal state before:
pp: R : Type u_1
A : Type u_2
p : A → Prop
inst✝¹¹ : CommSemiring R
inst✝¹⁰ : Nontrivial R
inst✝⁹ : StarRing R
inst✝⁸ : MetricSpace R
inst✝⁷ : IsTopologicalSemiring R
inst✝⁶ : ContinuousStar R
inst✝⁵ : NonUnitalRing A
inst✝⁴ : StarRing A
inst✝³ : TopologicalSpace A
inst✝² : Module R A
inst✝¹ : IsScalarTower R A A
inst✝ : SMulCommClass R A A
instCFCₙ : NonUnitalContinuousFunctionalCalculus R A p
f : R → R
a : A
hf : ¬f 0 = 0
⊢ cfcₙ f a = 0

Tactic:
by

Goal state after:
Module: Mathlib.Analysis.CStarAlgebra.ContinuousFunctionalCalculus.Unital

Goal state before:
pp: R : Type u_1
A : Type u_2
p : A → Prop
inst✝¹⁴ : CommSemiring R
inst✝¹³ : PartialOrder R
inst✝¹² : StarRing R
inst✝¹¹ : MetricSpace R
inst✝¹⁰ : IsTopologicalSemiring R
inst✝⁹ : ContinuousStar R
inst✝⁸ : ContinuousSqrt R
inst✝⁷ : StarOrderedRing R
inst✝⁶ : TopologicalSpace A
inst✝⁵ : Ring A
inst✝⁴ : StarRing A
inst✝³ : PartialOrder A
inst✝² : StarOrderedRing A
inst✝¹ : Algebra R A
instCFC : ContinuousFunctionalCalculus R A p
inst✝ : NonnegSpectrumClass R A
a : A
ha : p a
f : C(↑(spectrum R a), R)
⊢ IsStrictlyPositive ((cfcHom ha) f) ↔ ∀ (x : ↑(spectrum R a)), 0 < f x

Tactic:
by

Goal state after:
Module: Mathlib.Analysis.CStarAlgebra.ContinuousFunctionalCalculus.NonUnital

Goal state before:
pp: R : Type u_1
A : Type u_2
p : A → Prop
inst✝¹¹ : CommSemiring R
inst✝¹⁰ : Nontrivial R
inst✝⁹ : StarRing R
inst✝⁸ : MetricSpace R
inst✝⁷ : IsTopologicalSemiring R
inst✝⁶ : ContinuousStar R
inst✝⁵ : NonUnitalRing A
inst✝⁴ : StarRing A
inst✝³ : TopologicalSpace A
inst✝² : Module R A
inst✝¹ : IsScalarTower R A A
inst✝ : SMulCommClass R A A
instCFCₙ : NonUnitalContinuousFunctionalCalculus R A p
a : A
g : R → R
ha : p a
f : C(↑(σₙ R a), R)₀
⊢ ⇑f = (σₙ R a).domRestrict (Function.extend Subtype.val (⇑f) g)

Tactic:
by

Goal state after:
Module: Mathlib.Analysis.CStarAlgebra.ContinuousFunctionalCalculus.Restrict

Goal state before:
pp: R : Type u_1
S : Type u_2
A : Type u_3
p q : A → Prop
inst✝²⁵ : Semifield R
inst✝²⁴ : StarRing R
inst✝²³ : MetricSpace R
inst✝²² : IsTopologicalSemiring R
inst✝²¹ : ContinuousStar R
inst✝²⁰ : Field S
inst✝¹⁹ : StarRing S
inst✝¹⁸ : MetricSpace S
inst✝¹⁷ : IsTopologicalRing S
inst✝¹⁶ : ContinuousStar S
inst✝¹⁵ : NonUnitalRing A
inst✝¹⁴ : StarRing A
inst✝¹³ : Module S A
inst✝¹² : IsScalarTower S A A
inst✝¹¹ : SMulCommClass S A A
inst✝¹⁰ : Algebra R S
inst✝⁹ : Module R A
inst✝⁸ : IsScalarTower R S A
inst✝⁷ : StarModule R S
inst✝⁶ : ContinuousSMul R S
inst✝⁵ : TopologicalSpace A
inst✝⁴ : NonUnitalContinuousFunctionalCalculus S A q
inst✝³ : IsScalarTower R A A
inst✝² : SMulCommClass R A A
inst✝¹ : NonUnitalContinuousFunctionalCalculus R A p
inst✝ : UniqueHom R A
f : C(S, R)
halg : IsClosedEmbedding ⇑(algebraMap R S)
a : A
hpa : p a
hqa : q a
h : QuasispectrumRestricts a ⇑f
g : R → R
⊢ cfcₙ g a = cfcₙ (fun x ↦ (algebraMap R S) (g (f x))) a

Tactic:
by

Goal state after:
Module: Mathlib.Analysis.CStarAlgebra.ContinuousFunctionalCalculus.NonUnital

Goal state before:
pp: R : Type u_1
A : Type u_2
p : A → Prop
inst✝¹¹ : CommSemiring R
inst✝¹⁰ : Nontrivial R
inst✝⁹ : StarRing R
inst✝⁸ : MetricSpace R
inst✝⁷ : IsTopologicalSemiring R
inst✝⁶ : ContinuousStar R
inst✝⁵ : NonUnitalRing A
inst✝⁴ : StarRing A
inst✝³ : TopologicalSpace A
inst✝² : Module R A
inst✝¹ : IsScalarTower R A A
inst✝ : SMulCommClass R A A
instCFCₙ : NonUnitalContinuousFunctionalCalculus R A p
a : A
g : R → R
ha : p a
f : C(↑(σₙ R a), R)₀
h : ⇑f = (σₙ R a).domRestrict (Function.extend Subtype.val (⇑f) g)
hg : ContinuousOn (Function.extend Subtype.val (⇑f) g) (σₙ R a)
⊢ Function.extend Subtype.val (⇑f) g 0 = 0

Tactic:
by

Goal state after:
Module: Mathlib.Analysis.CStarAlgebra.ContinuousFunctionalCalculus.Unital

Goal state before:
pp: R : Type u_1
A : Type u_2
p : A → Prop
inst✝¹³ : CommSemiring R
inst✝¹² : PartialOrder R
inst✝¹¹ : StarRing R
inst✝¹⁰ : MetricSpace R
inst✝⁹ : IsTopologicalSemiring R
inst✝⁸ : ContinuousStar R
inst✝⁷ : ContinuousSqrt R
inst✝⁶ : StarOrderedRing R
inst✝⁵ : TopologicalSpace A
inst✝⁴ : Ring A
inst✝³ : StarRing A
inst✝² : PartialOrder A
inst✝¹ : StarOrderedRing A
inst✝ : Algebra R A
instCFC : ContinuousFunctionalCalculus R A p
f g : R → R
a : A
h : ∀ x ∈ spectrum R a, f x ≤ g x
hf : ContinuousOn f (spectrum R a)
hg : ContinuousOn g (spectrum R a)
⊢ cfc f a ≤ cfc g a

Tactic:
by

Goal state after:
Module: Mathlib.Analysis.CStarAlgebra.ContinuousFunctionalCalculus.Restrict

Goal state before:
pp: R : Type u_1
S : Type u_2
A : Type u_3
p q : A → Prop
inst✝²⁵ : Semifield R
inst✝²⁴ : StarRing R
inst✝²³ : MetricSpace R
inst✝²² : IsTopologicalSemiring R
inst✝²¹ : ContinuousStar R
inst✝²⁰ : Field S
inst✝¹⁹ : StarRing S
inst✝¹⁸ : MetricSpace S
inst✝¹⁷ : IsTopologicalRing S
inst✝¹⁶ : ContinuousStar S
inst✝¹⁵ : NonUnitalRing A
inst✝¹⁴ : StarRing A
inst✝¹³ : Module S A
inst✝¹² : IsScalarTower S A A
inst✝¹¹ : SMulCommClass S A A
inst✝¹⁰ : Algebra R S
inst✝⁹ : Module R A
inst✝⁸ : IsScalarTower R S A
inst✝⁷ : StarModule R S
inst✝⁶ : ContinuousSMul R S
inst✝⁵ : TopologicalSpace A
inst✝⁴ : NonUnitalClosedEmbeddingContinuousFunctionalCalculus S A q
inst✝³ : IsScalarTower R A A
inst✝² : SMulCommClass R A A
inst✝¹ : UniqueHom R A
inst✝ : CompleteSpace R
f : C(S, R)
halg : IsUniformEmbedding ⇑(algebraMap R S)
h0 : p 0
h : ∀ (a : A), p a ↔ q a ∧ QuasispectrumRestricts a ⇑f
a : A
ha : p a
⊢ IsClosedEmbedding ⇑(cfcₙHom ha)

Tactic:
by

Goal state after:
Module: Mathlib.Analysis.CStarAlgebra.ContinuousFunctionalCalculus.NonUnital

Goal state before:
pp: R : Type u_1
A : Type u_2
p : A → Prop
inst✝¹¹ : CommSemiring R
inst✝¹⁰ : Nontrivial R
inst✝⁹ : StarRing R
inst✝⁸ : MetricSpace R
inst✝⁷ : IsTopologicalSemiring R
inst✝⁶ : ContinuousStar R
inst✝⁵ : NonUnitalRing A
inst✝⁴ : StarRing A
inst✝³ : TopologicalSpace A
inst✝² : Module R A
inst✝¹ : IsScalarTower R A A
inst✝ : SMulCommClass R A A
instCFCₙ : NonUnitalContinuousFunctionalCalculus R A p
a : A
g : R → R
ha : p a
f : C(↑(σₙ R a), R)₀
⊢ (cfcₙHom ha) f = cfcₙ (Function.extend Subtype.val (⇑f) g) a

Tactic:
by

Goal state after:
Module: Mathlib.Analysis.CStarAlgebra.ContinuousFunctionalCalculus.Unital

Goal state before:
pp: R : Type u_1
A : Type u_2
p : A → Prop
inst✝¹⁴ : CommSemiring R
inst✝¹³ : PartialOrder R
inst✝¹² : StarRing R
inst✝¹¹ : MetricSpace R
inst✝¹⁰ : IsTopologicalSemiring R
inst✝⁹ : ContinuousStar R
inst✝⁸ : ContinuousSqrt R
inst✝⁷ : StarOrderedRing R
inst✝⁶ : TopologicalSpace A
inst✝⁵ : Ring A
inst✝⁴ : StarRing A
inst✝³ : PartialOrder A
inst✝² : StarOrderedRing A
inst✝¹ : Algebra R A
instCFC : ContinuousFunctionalCalculus R A p
inst✝ : NonnegSpectrumClass R A
f : R → R
a : A
hf : ContinuousOn f (spectrum R a)
ha : p a
⊢ 0 ≤ cfc f a ↔ ∀ x ∈ spectrum R a, 0 ≤ f x

Tactic:
by

Goal state after:
Module: Mathlib.Analysis.CStarAlgebra.ContinuousFunctionalCalculus.Unital

Goal state before:
pp: R : Type u_1
A : Type u_2
p : A → Prop
inst✝¹⁴ : CommSemiring R
inst✝¹³ : PartialOrder R
inst✝¹² : StarRing R
inst✝¹¹ : MetricSpace R
inst✝¹⁰ : IsTopologicalSemiring R
inst✝⁹ : ContinuousStar R
inst✝⁸ : ContinuousSqrt R
inst✝⁷ : StarOrderedRing R
inst✝⁶ : TopologicalSpace A
inst✝⁵ : Ring A
inst✝⁴ : StarRing A
inst✝³ : PartialOrder A
inst✝² : StarOrderedRing A
inst✝¹ : Algebra R A
instCFC : ContinuousFunctionalCalculus R A p
inst✝ : NonnegSpectrumClass R A
a : A
ha : p a
⊢ ContinuousOn id (spectrum R a)

Tactic:
by

Goal state after:
Module: Mathlib.Topology.Algebra.StarSubalgebra

Goal state before:
pp: R : Type u_1
A : Type u_2
inst✝⁶ : CommSemiring R
inst✝⁵ : StarRing R
inst✝⁴ : TopologicalSpace A
inst✝³ : Semiring A
inst✝² : Algebra R A
inst✝¹ : StarRing A
inst✝ : StarModule R A
S₁ S₂ : StarSubalgebra R A
h : S₁ ≤ S₂
hS₁ : IsClosed[inst✝⁴] ↑S₁
⊢ Subtype.val ⁻¹' ↑S₁ = Set.range ⇑(inclusion h)

Tactic:
by

Goal state after:
Module: Mathlib.Topology.Algebra.StarSubalgebra

Goal state before:
pp: R : Type u_1
A : Type u_2
inst✝⁸ : CommSemiring R
inst✝⁷ : StarRing R
inst✝⁶ : TopologicalSpace A
inst✝⁵ : Semiring A
inst✝⁴ : Algebra R A
inst✝³ : StarRing A
inst✝² : StarModule R A
inst✝¹ : IsSemitopologicalSemiring A
inst✝ : ContinuousStar A
s : Subalgebra R A
this : ∀ (t : Subalgebra R A), (star t).topologicalClosure ≤ star t.topologicalClosure
⊢ star s.topologicalClosure ≤ (star s).topologicalClosure

Tactic:
by

Goal state after:
Module: Mathlib.Topology.Algebra.StarSubalgebra

Goal state before:
pp: R : Type u_1
A : Type u_2
inst✝⁸ : CommSemiring R
inst✝⁷ : StarRing R
inst✝⁶ : TopologicalSpace A
inst✝⁵ : Semiring A
inst✝⁴ : Algebra R A
inst✝³ : StarRing A
inst✝² : StarModule R A
inst✝¹ : IsSemitopologicalSemiring A
inst✝ : ContinuousStar A
s : Subalgebra R A
⊢ (star s).topologicalClosure = star s.topologicalClosure

Tactic:
by

Goal state after:
Module: Mathlib.Analysis.CStarAlgebra.ContinuousFunctionalCalculus.NonUnital

Goal state before:
pp: R : Type u_1
A : Type u_2
p : A → Prop
inst✝¹¹ : CommSemiring R
inst✝¹⁰ : Nontrivial R
inst✝⁹ : StarRing R
inst✝⁸ : MetricSpace R
inst✝⁷ : IsTopologicalSemiring R
inst✝⁶ : ContinuousStar R
inst✝⁵ : NonUnitalRing A
inst✝⁴ : StarRing A
inst✝³ : TopologicalSpace A
inst✝² : Module R A
inst✝¹ : IsScalarTower R A A
inst✝ : SMulCommClass R A A
instCFCₙ : NonUnitalContinuousFunctionalCalculus R A p
a : A
f : R → R
ha : p a
hf : ContinuousOn f (σₙ R a)
hf0 : f 0 = 0
⊢ cfcₙ f a = (cfcₙL ha) { toFun := (σₙ R a).domRestrict f, continuous_toFun := ⋯, map_zero' := hf0 }

Tactic:
by

Goal state after:
Module: Mathlib.Analysis.CStarAlgebra.ContinuousFunctionalCalculus.Unital

Goal state before:
pp: R : Type u_1
A : Type u_2
p : A → Prop
inst✝¹⁴ : CommSemiring R
inst✝¹³ : PartialOrder R
inst✝¹² : StarRing R
inst✝¹¹ : MetricSpace R
inst✝¹⁰ : IsTopologicalSemiring R
inst✝⁹ : ContinuousStar R
inst✝⁸ : ContinuousSqrt R
inst✝⁷ : StarOrderedRing R
inst✝⁶ : TopologicalSpace A
inst✝⁵ : Ring A
inst✝⁴ : StarRing A
inst✝³ : PartialOrder A
inst✝² : StarOrderedRing A
inst✝¹ : Algebra R A
instCFC : ContinuousFunctionalCalculus R A p
inst✝ : NonnegSpectrumClass R A
a : A
ha : p a
⊢ 0 ≤ a ↔ ∀ x ∈ spectrum R a, 0 ≤ x

Tactic:
by

Goal state after:
Module: Mathlib.Topology.EMetricSpace.BoundedVariation

Goal state before:
pp: α : Type u_1
inst✝³ : LinearOrder α
E : Type u_2
inst✝² : PseudoEMetricSpace E
inst✝¹ : TopologicalSpace α
inst✝ : OrderTopology α
f g : α → E
s : Set α
hg : ∀ x ∈ s, MapClusterPt (g x) (𝓝[s] x) f
n : ℕ
u : ℕ → α
u_mono : StrictMonoOn u (Iic n)
u_mem : ∀ i ∈ Iic n, u i ∈ s
this✝¹ : Nonempty α
c : ℝ≥0∞
hc : c < ∑ x ∈ Finset.range n, edist (g (u (x + 1))) (g (u x))
this✝ : ∀ᶠ (b : ℕ → E) in Filter.pi fun i ↦ 𝓝 (g (u i)), c < ∑ i ∈ Finset.range n, edist (b (i + 1)) (b i)
I : Set ℕ
I_fin : I.Finite
t : ℕ → Set E
t_mem : ∀ (i : ℕ), t i ∈ 𝓝 (g (u i))
ht : I.pi t ⊆ {b | c < ∑ i ∈ Finset.range n, edist (b (i + 1)) (b i)}
this : ∀ᶠ (b : ℕ → α) in Filter.pi fun i ↦ 𝓝 (u i), ∀ i ∈ {i ∈ Finset.Iic n ×ˢ Finset.Iic n | i.1 < i.2}, b i.1 < b i.2
J : Set ℕ
J_fin : J.Finite
k : ℕ → Set α
k_mem : ∀ (i : ℕ), k i ∈ 𝓝 (u i)
hk : J.pi k ⊆ {x | (fun b ↦ ∀ i ∈ {i ∈ Finset.Iic n ×ˢ Finset.Iic n | i.1 < i.2}, b i.1 < b i.2) x}
v : ℕ → α
hv : ∀ i ∈ Iic n, f (v i) ∈ t i ∧ v i ∈ k i
h'v : ∀ i ∈ Iic n, v i ∈ s
f' : ℕ → E := fun i ↦ if i ∈ Iic n then f (v i) else g (u i)
i : ℕ
hi : i ∈ Finset.range n
⊢ edist (f (v (i + 1))) (f (v i)) = edist (f' (i + 1)) (f' i)

Tactic:
by

Goal state after:
Module: Mathlib.Topology.Algebra.StarSubalgebra

Goal state before:
pp: R : Type u_1
A : Type u_2
B : Type u_3
inst✝¹³ : CommSemiring R
inst✝¹² : StarRing R
inst✝¹¹ : TopologicalSpace A
inst✝¹⁰ : Semiring A
inst✝⁹ : Algebra R A
inst✝⁸ : StarRing A
inst✝⁷ : StarModule R A
inst✝⁶ : IsSemitopologicalSemiring A
inst✝⁵ : ContinuousStar A
inst✝⁴ : TopologicalSpace B
inst✝³ : Semiring B
inst✝² : Algebra R B
inst✝¹ : StarRing B
inst✝ : T2Space B
S : StarSubalgebra R A
φ ψ : ↥S.topologicalClosure →⋆ₐ[R] B
hφ : Continuous[instTopologicalSpaceSubtype, inst✝⁴] ⇑φ
hψ : Continuous[instTopologicalSpaceSubtype, inst✝⁴] ⇑ψ
h : φ.comp (inclusion ⋯) = ψ.comp (inclusion ⋯)
⊢ DenseRange (Set.inclusion ⋯)

Tactic:
by

Goal state after:
Module: Mathlib.Analysis.CStarAlgebra.ContinuousFunctionalCalculus.Unital

Goal state before:
pp: R : Type u_1
A : Type u_2
p : A → Prop
inst✝¹⁴ : CommSemiring R
inst✝¹³ : PartialOrder R
inst✝¹² : StarRing R
inst✝¹¹ : MetricSpace R
inst✝¹⁰ : IsTopologicalSemiring R
inst✝⁹ : ContinuousStar R
inst✝⁸ : ContinuousSqrt R
inst✝⁷ : StarOrderedRing R
inst✝⁶ : TopologicalSpace A
inst✝⁵ : Ring A
inst✝⁴ : StarRing A
inst✝³ : PartialOrder A
inst✝² : StarOrderedRing A
inst✝¹ : Algebra R A
instCFC : ContinuousFunctionalCalculus R A p
inst✝ : NonnegSpectrumClass R A
f : R → R
a : A
hf : ContinuousOn f (spectrum R a)
ha : p a
⊢ IsStrictlyPositive (cfc f a) ↔ ∀ x ∈ spectrum R a, 0 < f x

Tactic:
by

Goal state after: