mathlib-initiative/mathlib-tactics huggingface dataset:
Module: Mathlib.RingTheory.DedekindDomain.AdicValuation

Goal state before:
pp: R : Type u_1
inst✝¹ : CommRing R
inst✝ : IsDedekindDomain R
v : HeightOneSpectrum R
x : R
h : x ∉ v.asIdeal
⊢ 1 ≤ v.intValuation x

Tactic:
simp [← not_lt, (v.intValuation_lt_one_iff_mem _).not, h]

Goal state after:
Module: Mathlib.RingTheory.PowerSeries.Basic

Goal state before:
pp: case h.left
A : Type u_2
inst✝ : CommRing A
hA : ¬Subsingleton A
a✝ : Nontrivial A
⊢ ⊥ < Ideal.span {X}

Tactic:
rw [bot_lt_iff_ne_bot, Ne, Ideal.span_singleton_eq_bot]

Goal state after:
case h.left
A : Type u_2
inst✝ : CommRing A
hA : ¬Subsingleton A
a✝ : Nontrivial A
⊢ ¬X = 0
Module: Mathlib.RingTheory.MvPowerSeries.Order

Goal state before:
pp: σ : Type u_1
R : Type u_2
inst✝ : Semiring R
w : σ → ℕ
f g : MvPowerSeries σ R
H : weightedOrder w f < weightedOrder w g
n : ℕ
hn : ↑n = weightedOrder w f
d : σ →₀ ℕ
hd' : (coeff d) f ≠ 0
hd : (weight w) d = n
b : σ →₀ ℕ
hb : (weight w) b < n
this : ↑((weight w) b) < weightedOrder w f
⊢ 0 + (coeff b) g = 0

Tactic:
coeff_eq_zero_of_lt_weightedOrder w (lt_trans this H),

Goal state after:
σ : Type u_1
R : Type u_2
inst✝ : Semiring R
w : σ → ℕ
f g : MvPowerSeries σ R
H : weightedOrder w f < weightedOrder w g
n : ℕ
hn : ↑n = weightedOrder w f
d : σ →₀ ℕ
hd' : (coeff d) f ≠ 0
hd : (weight w) d = n
b : σ →₀ ℕ
hb : (weight w) b < n
this : ↑((weight w) b) < weightedOrder w f
⊢ 0 + 0 = 0
Module: Mathlib.Data.Finsupp.Interval

Goal state before:
pp: ι : Type u_1
α : Type u_2
inst✝² : Lattice α
inst✝¹ : Zero α
inst✝ : LocallyFiniteOrder α
f g : ι →₀ α
⊢ #(uIcc f g) = ∏ i ∈ f.support ∪ g.support, #(uIcc (f i) (g i))

Tactic:
by
  rw [← support_inf_union_support_sup]; exact card_Icc (_ : ι →₀ α) _

Goal state after:
Module: Mathlib.RingTheory.MvPowerSeries.Trunc

Goal state before:
pp: σ : Type u_1
R : Type u_2
inst✝¹ : DecidableEq σ
inst✝ : CommSemiring R
n : σ →₀ ℕ
k : ℕ
hk : 1 ≤ k
φ : MvPowerSeries σ R
⊢ IsLowerSet ↑(Iic n)

Tactic:
by intro; grind

Goal state after:
Module: Mathlib.RingTheory.MvPowerSeries.Trunc

Goal state before:
pp: case neg
σ : Type u_1
R : Type u_2
n : ℕ
inst✝¹ : Finite σ
inst✝ : CommSemiring R
p : MvPowerSeries σ R
x : σ →₀ ℕ
h : ¬degree x < n
⊢ MvPolynomial.coeff x ((truncTotal n) p) = if degree x < n then (coeff x) p else 0

Tactic:
· rw [if_neg h, coeff_truncTotal_eq_zero _ (not_lt.mp h)]

Goal state after:
Module: Mathlib.RingTheory.MvPowerSeries.PiTopology

Goal state before:
pp: case inr
σ : Type u_1
R : Type u_2
inst✝³ : TopologicalSpace R
inst✝² : Semiring R
ι : Type u_3
f : ι → MvPowerSeries σ R
inst✝¹ : LinearOrder ι
inst✝ : LocallyFiniteOrderBot ι
w : σ → ℕ
hempty : Nonempty ι
h : ∀ (n : ℕ), ∃ a, ∀ (b : ι), a ≤ b → ↑n < weightedOrder w (f b)
d : σ →₀ ℕ
i : ι
hi : ∀ (b : ι), i ≤ b → ↑((Finsupp.weight w) d) < weightedOrder w (f b)
⊢ (support fun i ↦ (coeff d) (f i)) ⊆ Set.Iic i

Tactic:
simp_rw [Function.support_subset_iff, Set.mem_Iic]

Goal state after:
case inr
σ : Type u_1
R : Type u_2
inst✝³ : TopologicalSpace R
inst✝² : Semiring R
ι : Type u_3
f : ι → MvPowerSeries σ R
inst✝¹ : LinearOrder ι
inst✝ : LocallyFiniteOrderBot ι
w : σ → ℕ
hempty : Nonempty ι
h : ∀ (n : ℕ), ∃ a, ∀ (b : ι), a ≤ b → ↑n < weightedOrder w (f b)
d : σ →₀ ℕ
i : ι
hi : ∀ (b : ι), i ≤ b → ↑((Finsupp.weight w) d) < weightedOrder w (f b)
⊢ ∀ (x : ι), (coeff d) (f x) ≠ 0 → x ≤ i
Module: Mathlib.RingTheory.PowerSeries.Order

Goal state before:
pp: R : Type u_1
inst✝ : Semiring R
φ ψ : R⟦X⟧
H : φ.order < ψ.order
⊢ (φ + ψ).order = φ.order

Tactic:
rw [order_eq]

Goal state after:
R : Type u_1
inst✝ : Semiring R
φ ψ : R⟦X⟧
H : φ.order < ψ.order
⊢ (∀ (i : ℕ), ↑i = φ.order → (coeff i) (φ + ψ) ≠ 0) ∧ ∀ (i : ℕ), ↑i < φ.order → (coeff i) (φ + ψ) = 0
Module: Mathlib.RingTheory.PowerSeries.Order

Goal state before:
pp: case neg
R : Type u_1
inst✝¹ : Semiring R
n : ℕ
a : R
inst✝ : Decidable (a = 0)
h : ¬a = 0
⊢ ((monomial n) a).order = ↑n

Tactic:
rw [order_eq]

Goal state after:
case neg
R : Type u_1
inst✝¹ : Semiring R
n : ℕ
a : R
inst✝ : Decidable (a = 0)
h : ¬a = 0
⊢ (∀ (i : ℕ), ↑i = ↑n → (coeff i) ((monomial n) a) ≠ 0) ∧ ∀ (i : ℕ), ↑i < ↑n → (coeff i) ((monomial n) a) = 0
Module: Mathlib.RingTheory.PowerSeries.Order

Goal state before:
pp: case neg.left
R : Type u_1
inst✝¹ : Semiring R
n : ℕ
a : R
inst✝ : Decidable (a = 0)
h : ¬a = 0
i : ℕ
hi : ↑i = ↑n
⊢ (coeff i) ((monomial n) a) ≠ 0

pp: case neg.right
R : Type u_1
inst✝¹ : Semiring R
n : ℕ
a : R
inst✝ : Decidable (a = 0)
h : ¬a = 0
i : ℕ
hi : ↑i < ↑n
⊢ (coeff i) ((monomial n) a) = 0

Tactic:
· simp only [Nat.cast_inj] at hi
      rwa [hi, coeff_monomial_same]

Goal state after:
case neg.right
R : Type u_1
inst✝¹ : Semiring R
n : ℕ
a : R
inst✝ : Decidable (a = 0)
h : ¬a = 0
i : ℕ
hi : ↑i < ↑n
⊢ (coeff i) ((monomial n) a) = 0
Module: Mathlib.RingTheory.PowerSeries.PiTopology

Goal state before:
pp: case inr
R : Type u_1
inst✝³ : TopologicalSpace R
inst✝² : Semiring R
ι : Type u_2
f : ι → R⟦X⟧
inst✝¹ : LinearOrder ι
inst✝ : LocallyFiniteOrderBot ι
hempty : Nonempty ι
n : ℕ
h : ∀ (n : ℕ), ∃ a, ∀ (b : ι), a ≤ b → ↑n < (f b).order
i : ι
hi : ∀ (b : ι), i ≤ b → ↑n < (f b).order
⊢ (support fun i ↦ (coeff n) (f i)) ⊆ Set.Iic i

Tactic:
simp_rw [Function.support_subset_iff, Set.mem_Iic]

Goal state after:
case inr
R : Type u_1
inst✝³ : TopologicalSpace R
inst✝² : Semiring R
ι : Type u_2
f : ι → R⟦X⟧
inst✝¹ : LinearOrder ι
inst✝ : LocallyFiniteOrderBot ι
hempty : Nonempty ι
n : ℕ
h : ∀ (n : ℕ), ∃ a, ∀ (b : ι), a ≤ b → ↑n < (f b).order
i : ι
hi : ∀ (b : ι), i ≤ b → ↑n < (f b).order
⊢ ∀ (x : ι), (coeff n) (f x) ≠ 0 → x ≤ i
Module: Mathlib.RingTheory.MvPowerSeries.Evaluation

Goal state before:
pp: σ : Type u_1
R : Type u_2
inst✝⁶ : CommRing R
inst✝⁵ : UniformSpace R
S : Type u_3
inst✝⁴ : CommRing S
inst✝³ : UniformSpace S
φ : R →+* S
a : σ → S
inst✝² : IsUniformAddGroup R
inst✝¹ : IsUniformAddGroup S
inst✝ : IsLinearTopology S S
hφ : Continuous[inst✝⁵.toTopologicalSpace, inst✝³.toTopologicalSpace] ⇑φ
ha : HasEval a
I : Ideal S
hI : ↑I ∈ 𝓝 0
n : σ → ℕ := fun s ↦ sInf {n | a s ^ n.succ ∈ I}
hn_ne : ∀ (s : σ), {n | a s ^ n.succ ∈ I}.Nonempty
hn : (Function.support n).Finite
n₀ : σ →₀ ℕ := Finsupp.ofSupportFinite n hn
D : Set (σ →₀ ℕ) := Iic n₀
hD : D.Finite
this : ∀ᶠ (x : MvPolynomial σ R) in 𝓝 0, ∀ i ∈ D, φ (MvPolynomial.coeff i x) ∈ I
⊢ ∀ᶠ (x : MvPolynomial σ R) in 𝓝 0, (eval₂Hom φ a) x ∈ ↑I

Tactic:
filter_upwards [this] with p hp

Goal state after:
σ : Type u_1
R : Type u_2
inst✝⁶ : CommRing R
inst✝⁵ : UniformSpace R
S : Type u_3
inst✝⁴ : CommRing S
inst✝³ : UniformSpace S
φ : R →+* S
a : σ → S
inst✝² : IsUniformAddGroup R
inst✝¹ : IsUniformAddGroup S
inst✝ : IsLinearTopology S S
hφ : Continuous[inst✝⁵.toTopologicalSpace, inst✝³.toTopologicalSpace] ⇑φ
ha : HasEval a
I : Ideal S
hI : ↑I ∈ 𝓝 0
n : σ → ℕ := fun s ↦ sInf {n | a s ^ n.succ ∈ I}
hn_ne : ∀ (s : σ), {n | a s ^ n.succ ∈ I}.Nonempty
hn : (Function.support n).Finite
n₀ : σ →₀ ℕ := Finsupp.ofSupportFinite n hn
D : Set (σ →₀ ℕ) := Iic n₀
hD : D.Finite
this : ∀ᶠ (x : MvPolynomial σ R) in 𝓝 0, ∀ i ∈ D, φ (MvPolynomial.coeff i x) ∈ I
p : MvPolynomial σ R
hp : ∀ i ∈ D, φ (MvPolynomial.coeff i p) ∈ I
⊢ (eval₂Hom φ a) p ∈ ↑I
Module: Mathlib.RingTheory.MvPowerSeries.Evaluation

Goal state before:
pp: σ : Type u_1
R : Type u_2
inst✝³ : CommRing R
inst✝² : UniformSpace R
S : Type u_3
inst✝¹ : CommRing S
inst✝ : UniformSpace S
φ : R →+* S
a : σ → S
f : MvPolynomial σ R
this : ∃ p, ↑p = ↑f
⊢ eval₂ φ a ↑f = MvPolynomial.eval₂ φ a f

Tactic:
rw [eval₂, dif_pos this]

Goal state after:
σ : Type u_1
R : Type u_2
inst✝³ : CommRing R
inst✝² : UniformSpace R
S : Type u_3
inst✝¹ : CommRing S
inst✝ : UniformSpace S
φ : R →+* S
a : σ → S
f : MvPolynomial σ R
this : ∃ p, ↑p = ↑f
⊢ MvPolynomial.eval₂ φ a this.choose = MvPolynomial.eval₂ φ a f
Module: Mathlib.RingTheory.PowerSeries.Evaluation

Goal state before:
pp: S : Type u_2
inst✝³ : CommRing S
inst✝² : TopologicalSpace S
inst✝¹ : ContinuousAdd S
inst✝ : IsLinearTopology S S
a b : S
ha : HasEval a
hb : HasEval b
⊢ HasEval (a + b)

Tactic:
by
  simp only [hasEval_iff] at ha hb ⊢
  exact ha.add hb

Goal state after:
Module: Mathlib.Analysis.Real.Cardinality

Goal state before:
pp: a b : ℝ
h : a < b
h1 : #↑((fun x ↦ x - a) '' Ioo a b) ≤ #↑(Ioo a b)
⊢ 𝔠 ≤ #↑(Ioo 0 (b - a))

Tactic:
replace h := sub_pos_of_lt h

Goal state after:
a b : ℝ
h1 : #↑((fun x ↦ x - a) '' Ioo a b) ≤ #↑(Ioo a b)
h : 0 < b - a
⊢ 𝔠 ≤ #↑(Ioo 0 (b - a))
Module: Mathlib.RingTheory.MvPowerSeries.Substitution

Goal state before:
pp: case pos
σ : Type u_1
R : Type u_3
inst✝² : CommRing R
τ : Type u_4
S : Type u_5
inst✝¹ : CommRing S
inst✝ : Algebra R S
a : σ → MvPowerSeries τ S
ha : HasSubst a
f : MvPowerSeries σ R
hf : IsNilpotent (constantCoeff f)
d : σ →₀ ℕ
hd : d = 0
⊢ IsNilpotent ((coeff d) f • constantCoeff (d.prod fun s e ↦ a s ^ e))

Tactic:
← algebraMap_smul S,

Goal state after:
case pos
σ : Type u_1
R : Type u_3
inst✝² : CommRing R
τ : Type u_4
S : Type u_5
inst✝¹ : CommRing S
inst✝ : Algebra R S
a : σ → MvPowerSeries τ S
ha : HasSubst a
f : MvPowerSeries σ R
hf : IsNilpotent (constantCoeff f)
d : σ →₀ ℕ
hd : d = 0
⊢ IsNilpotent ((algebraMap R S) ((coeff d) f) • constantCoeff (d.prod fun s e ↦ a s ^ e))
Module: Mathlib.RingTheory.MvPowerSeries.Substitution

Goal state before:
pp: case neg
σ : Type u_1
R : Type u_3
inst✝² : CommRing R
τ : Type u_4
S : Type u_5
inst✝¹ : CommRing S
inst✝ : Algebra R S
a : σ → MvPowerSeries τ S
ha : HasSubst a
f : MvPowerSeries σ R
hf : IsNilpotent (constantCoeff f)
d : σ →₀ ℕ
hd : ¬d = 0
i : σ
hi : i ∈ d.support
⊢ IsNilpotent ((coeff d) f • ((∏ x ∈ d.support.erase i, constantCoeff (a x ^ d x)) * constantCoeff (a i ^ d i)))

Tactic:
← algebraMap_smul S,

Goal state after:
case neg
σ : Type u_1
R : Type u_3
inst✝² : CommRing R
τ : Type u_4
S : Type u_5
inst✝¹ : CommRing S
inst✝ : Algebra R S
a : σ → MvPowerSeries τ S
ha : HasSubst a
f : MvPowerSeries σ R
hf : IsNilpotent (constantCoeff f)
d : σ →₀ ℕ
hd : ¬d = 0
i : σ
hi : i ∈ d.support
⊢ IsNilpotent
    ((algebraMap R S) ((coeff d) f) •
      ((∏ x ∈ d.support.erase i, constantCoeff (a x ^ d x)) * constantCoeff (a i ^ d i)))
Module: Mathlib.NumberTheory.ArithmeticFunction.LFunction

Goal state before:
pp: case pos
R : Type u_1
inst✝ : CommSemiring R
q : ℕ
f g : PowerSeries R
n : ℕ
hq : 1 < q
⊢ { toFun := Function.extend (fun x ↦ q ^ x) (fun x ↦ (PowerSeries.coeff x) (f + g)) 0, map_zero' := ⋯ } n =
    ({ toFun := Function.extend (fun x ↦ q ^ x) (fun x ↦ (PowerSeries.coeff x) f) 0, map_zero' := ⋯ } +
        { toFun := Function.extend (fun x ↦ q ^ x) (fun x ↦ (PowerSeries.coeff x) g) 0, map_zero' := ⋯ })
      n

Tactic:
by_cases h : ∃ a, q ^ a = n

Goal state after:
case pos
R : Type u_1
inst✝ : CommSemiring R
q : ℕ
f g : PowerSeries R
n : ℕ
hq : 1 < q
h : ∃ a, q ^ a = n
⊢ { toFun := Function.extend (fun x ↦ q ^ x) (fun x ↦ (PowerSeries.coeff x) (f + g)) 0, map_zero' := ⋯ } n =
    ({ toFun := Function.extend (fun x ↦ q ^ x) (fun x ↦ (PowerSeries.coeff x) f) 0, map_zero' := ⋯ } +
        { toFun := Function.extend (fun x ↦ q ^ x) (fun x ↦ (PowerSeries.coeff x) g) 0, map_zero' := ⋯ })
      n

case neg
R : Type u_1
inst✝ : CommSemiring R
q : ℕ
f g : PowerSeries R
n : ℕ
hq : 1 < q
h : ¬∃ a, q ^ a = n
⊢ { toFun := Function.extend (fun x ↦ q ^ x) (fun x ↦ (PowerSeries.coeff x) (f + g)) 0, map_zero' := ⋯ } n =
    ({ toFun := Function.extend (fun x ↦ q ^ x) (fun x ↦ (PowerSeries.coeff x) f) 0, map_zero' := ⋯ } +
        { toFun := Function.extend (fun x ↦ q ^ x) (fun x ↦ (PowerSeries.coeff x) g) 0, map_zero' := ⋯ })
      n
Module: Mathlib.RingTheory.MvPowerSeries.Substitution

Goal state before:
pp: σ : Type u_1
A : Type u_2
inst✝²¹ : CommSemiring A
R✝ : Type u_3
inst✝²⁰ : CommRing R✝
inst✝¹⁹ : Algebra A R✝
τ : Type u_4
S : Type u_5
inst✝¹⁸ : CommRing S
inst✝¹⁷ : Algebra A S
inst✝¹⁶ : Algebra R✝ S
inst✝¹⁵ : IsScalarTower A R✝ S
a✝¹ a✝ : σ → MvPowerSeries τ S
T✝ : Type u_6
inst✝¹⁴ : CommRing T✝
inst✝¹³ : UniformSpace T✝
inst✝¹² : T2Space T✝
inst✝¹¹ : CompleteSpace T✝
inst✝¹⁰ : IsUniformAddGroup T✝
inst✝⁹ : IsTopologicalRing T✝
inst✝⁸ : IsLinearTopology T✝ T✝
inst✝⁷ : Algebra R✝ T✝
ε : MvPowerSeries τ S →ₐ[R✝] T✝
inst✝⁶ : Algebra S T✝
inst✝⁵ : IsScalarTower R✝ S T✝
υ : Type u_7
T : Type u_8
inst✝⁴ : CommRing T
inst✝³ : Algebra R✝ T
inst✝² : Algebra S T
inst✝¹ : IsScalarTower R✝ S T
b✝ : τ → MvPowerSeries υ T
R : Type u_9
inst✝ : CommSemiring R
a b : σ → R
x✝ : MvPowerSeries σ R
n✝ : σ →₀ ℕ
⊢ (coeff n✝) ((rescale (a * b)) x✝) = (coeff n✝) ((rescale a * rescale b) x✝)

Tactic:
simp [mul_comm, rescale_rescale]

Goal state after:
Module: Mathlib.RingTheory.PowerSeries.Substitution

Goal state before:
pp: R : Type u_2
inst✝¹ : CommRing R
P : R⟦X⟧
hP : constantCoeff P = 0
inst✝ : Invertible ((coeff 1) P)
n : ℕ
this : (coeff n) (subst (∑ i, C (P.substInvFun ↑i) * X ^ ↑i) P) = (coeff n) X
⊢ (coeff n) (subst P.substInv P) = (coeff n) X

Tactic:
rw [← this, coeff_subst', coeff_subst']

Goal state after:
R : Type u_2
inst✝¹ : CommRing R
P : R⟦X⟧
hP : constantCoeff P = 0
inst✝ : Invertible ((coeff 1) P)
n : ℕ
this : (coeff n) (subst (∑ i, C (P.substInvFun ↑i) * X ^ ↑i) P) = (coeff n) X
⊢ ∑ᶠ (d : ℕ), (coeff d) P • (coeff n) (P.substInv ^ d) =
    ∑ᶠ (d : ℕ), (coeff d) P • (coeff n) ((∑ i, C (P.substInvFun ↑i) * X ^ ↑i) ^ d)

case hb
R : Type u_2
inst✝¹ : CommRing R
P : R⟦X⟧
hP : constantCoeff P = 0
inst✝ : Invertible ((coeff 1) P)
n : ℕ
this : (coeff n) (subst (∑ i, C (P.substInvFun ↑i) * X ^ ↑i) P) = (coeff n) X
⊢ HasSubst (∑ i, C (P.substInvFun ↑i) * X ^ ↑i)

case hb
R : Type u_2
inst✝¹ : CommRing R
P : R⟦X⟧
hP : constantCoeff P = 0
inst✝ : Invertible ((coeff 1) P)
n : ℕ
this : (coeff n) (subst (∑ i, C (P.substInvFun ↑i) * X ^ ↑i) P) = (coeff n) X
⊢ HasSubst P.substInv
Module: Mathlib.Analysis.Calculus.FDeriv.Basic

Goal state before:
pp: 𝕜 : Type u_1
inst✝⁶ : NontriviallyNormedField 𝕜
E : Type u_2
inst✝⁵ : AddCommGroup E
inst✝⁴ : Module 𝕜 E
inst✝³ : TopologicalSpace E
F : Type u_3
inst✝² : AddCommGroup F
inst✝¹ : Module 𝕜 F
inst✝ : TopologicalSpace F
f : E → F
f' : E →L[𝕜] F
x : E
s t : Set E
h : t ∈ 𝓝 x
⊢ HasFDerivWithinAt f f' (s ∩ t) x ↔ HasFDerivWithinAt f f' s x

Tactic:
simp [HasFDerivWithinAt, nhdsWithin_restrict' s h]

Goal state after:
Module: Mathlib.Analysis.Calculus.FDeriv.Basic

Goal state before:
pp: 𝕜 : Type u_1
inst✝¹¹ : NontriviallyNormedField 𝕜
E : Type u_2
inst✝¹⁰ : AddCommGroup E
inst✝⁹ : Module 𝕜 E
inst✝⁸ : TopologicalSpace E
F : Type u_3
inst✝⁷ : AddCommGroup F
inst✝⁶ : Module 𝕜 F
inst✝⁵ : TopologicalSpace F
f : E → F
x : E
s : Set E
inst✝⁴ : ContinuousAdd E
inst✝³ : ContinuousSMul 𝕜 E
inst✝² : ContinuousAdd F
inst✝¹ : ContinuousSMul 𝕜 F
inst✝ : T2Space F
hs : UniqueDiffWithinAt 𝕜 s x
h : DifferentiableAt 𝕜 f x
⊢ fderivWithin 𝕜 f s x = fderiv 𝕜 f x

Tactic:
rw [← fderivWithin_univ]

Goal state after:
𝕜 : Type u_1
inst✝¹¹ : NontriviallyNormedField 𝕜
E : Type u_2
inst✝¹⁰ : AddCommGroup E
inst✝⁹ : Module 𝕜 E
inst✝⁸ : TopologicalSpace E
F : Type u_3
inst✝⁷ : AddCommGroup F
inst✝⁶ : Module 𝕜 F
inst✝⁵ : TopologicalSpace F
f : E → F
x : E
s : Set E
inst✝⁴ : ContinuousAdd E
inst✝³ : ContinuousSMul 𝕜 E
inst✝² : ContinuousAdd F
inst✝¹ : ContinuousSMul 𝕜 F
inst✝ : T2Space F
hs : UniqueDiffWithinAt 𝕜 s x
h : DifferentiableAt 𝕜 f x
⊢ fderivWithin 𝕜 f s x = fderivWithin 𝕜 f univ x
Module: Mathlib.Analysis.Analytic.ConvergenceRadius

Goal state before:
pp: 𝕜 : Type u_1
E : Type u_3
F : Type u_4
inst✝⁴ : NontriviallyNormedField 𝕜
inst✝³ : NormedAddCommGroup E
inst✝² : NormedSpace 𝕜 E
inst✝¹ : NormedAddCommGroup F
inst✝ : NormedSpace 𝕜 F
⊢ radius 0 = ∞

Tactic:
by
  rw [← constFormalMultilinearSeries_zero]
  exact constFormalMultilinearSeries_radius

Goal state after:
Module: Mathlib.Analysis.Analytic.ChangeOrigin

Goal state before:
pp: 𝕜 : Type u_1
E : Type u_2
F : Type u_3
inst✝⁴ : NontriviallyNormedField 𝕜
inst✝³ : NormedAddCommGroup E
inst✝² : NormedSpace 𝕜 E
inst✝¹ : NormedAddCommGroup F
inst✝ : NormedSpace 𝕜 F
p : FormalMultilinearSeries 𝕜 E F
x y : E
r : ℝ≥0
k l : ℕ
s : Finset (Fin (k + l))
hs : s.card = l
this :
  ∀ (k' l' : ℕ),
    k' = k →
      l' = l →
        ∀ (hkl : k + l = k' + l') (hs' : (Finset.map (finCongr hkl).toEmbedding s).card = l'),
          ⟨k', ⟨l', ⟨Finset.map (finCongr hkl).toEmbedding s, hs'⟩⟩⟩ = ⟨k, ⟨l, ⟨s, hs⟩⟩⟩
⊢ ⟨k + l - s.card, ⟨s.card, ⟨Finset.map (finCongr ⋯).toEmbedding s, ⋯⟩⟩⟩ = ⟨k, ⟨l, ⟨s, hs⟩⟩⟩

Tactic:
apply this <;> simp only [hs, add_tsub_cancel_right]

Goal state after:
Module: Mathlib.Analysis.Analytic.ChangeOrigin

Goal state before:
pp: 𝕜 : Type u_1
E : Type u_2
F : Type u_3
inst✝⁴ : NontriviallyNormedField 𝕜
inst✝³ : NormedAddCommGroup E
inst✝² : NormedSpace 𝕜 E
inst✝¹ : NormedAddCommGroup F
inst✝ : NormedSpace 𝕜 F
p : FormalMultilinearSeries 𝕜 E F
x : E
r : ℝ≥0
_h0 : 0 < r
hr : ↑‖x‖₊ + ↑r < p.radius
⊢ ↑r ≤ (p.changeOrigin x).radius

Tactic:
have hr' : (‖x‖₊ : ℝ≥0∞) < p.radius := (le_add_right le_rfl).trans_lt hr

Goal state after:
𝕜 : Type u_1
E : Type u_2
F : Type u_3
inst✝⁴ : NontriviallyNormedField 𝕜
inst✝³ : NormedAddCommGroup E
inst✝² : NormedSpace 𝕜 E
inst✝¹ : NormedAddCommGroup F
inst✝ : NormedSpace 𝕜 F
p : FormalMultilinearSeries 𝕜 E F
x : E
r : ℝ≥0
_h0 : 0 < r
hr : ↑‖x‖₊ + ↑r < p.radius
hr' : ↑‖x‖₊ < p.radius
⊢ ↑r ≤ (p.changeOrigin x).radius
Module: Mathlib.Analysis.Analytic.ConvergenceRadius

Goal state before:
pp: 𝕜 : Type u_1
E : Type u_3
F : Type u_4
inst✝⁴ : NontriviallyNormedField 𝕜
inst✝³ : NormedAddCommGroup E
inst✝² : NormedSpace 𝕜 E
inst✝¹ : NormedAddCommGroup F
inst✝ : NormedSpace 𝕜 F
p : FormalMultilinearSeries 𝕜 E F
r : ℝ≥0
h : ↑r < p.radius
⊢ Summable fun n ↦ ‖p n‖₊ * r ^ n

Tactic:
rw [← NNReal.summable_coe]

Goal state after:
𝕜 : Type u_1
E : Type u_3
F : Type u_4
inst✝⁴ : NontriviallyNormedField 𝕜
inst✝³ : NormedAddCommGroup E
inst✝² : NormedSpace 𝕜 E
inst✝¹ : NormedAddCommGroup F
inst✝ : NormedSpace 𝕜 F
p : FormalMultilinearSeries 𝕜 E F
r : ℝ≥0
h : ↑r < p.radius
⊢ Summable fun a ↦ ↑(‖p a‖₊ * r ^ a)
Module: Mathlib.Analysis.Analytic.ConvergenceRadius

Goal state before:
pp: case mp
𝕜 : Type u_1
E : Type u_3
F : Type u_4
inst✝⁴ : NontriviallyNormedField 𝕜
inst✝³ : NormedAddCommGroup E
inst✝² : NormedSpace 𝕜 E
inst✝¹ : NormedAddCommGroup F
inst✝ : NormedSpace 𝕜 F
p : FormalMultilinearSeries 𝕜 E F
h : p.radius = ∞
⊢ ∀ (r : ℝ≥0), Summable fun n ↦ ‖p n‖ * ↑r ^ n

Tactic:
r

Goal state after:
case mp
𝕜 : Type u_1
E : Type u_3
F : Type u_4
inst✝⁴ : NontriviallyNormedField 𝕜
inst✝³ : NormedAddCommGroup E
inst✝² : NormedSpace 𝕜 E
inst✝¹ : NormedAddCommGroup F
inst✝ : NormedSpace 𝕜 F
p : FormalMultilinearSeries 𝕜 E F
h : p.radius = ∞
r : ℝ≥0
⊢ Summable fun n ↦ ‖p n‖ * ↑r ^ n
Module: Mathlib.Analysis.Analytic.ConvergenceRadius

Goal state before:
pp: case a
𝕜 : Type u_1
E : Type u_3
F : Type u_4
inst✝⁴ : NontriviallyNormedField 𝕜
inst✝³ : NormedAddCommGroup E
inst✝² : NormedSpace 𝕜 E
inst✝¹ : NormedAddCommGroup F
inst✝ : NormedSpace 𝕜 F
p : FormalMultilinearSeries 𝕜 E F
r : ℝ≥0
⊢ ⨆ C, ⨆ (_ : ∀ (n : ℕ), ‖p (n + 1)‖ * ↑r ^ n ≤ C), ↑r ≤ ⨆ C, ⨆ (_ : ∀ (n : ℕ), ‖p n‖ * ↑r ^ n ≤ C), ↑r

Tactic:
apply iSup_mono'

Goal state after:
case a
𝕜 : Type u_1
E : Type u_3
F : Type u_4
inst✝⁴ : NontriviallyNormedField 𝕜
inst✝³ : NormedAddCommGroup E
inst✝² : NormedSpace 𝕜 E
inst✝¹ : NormedAddCommGroup F
inst✝ : NormedSpace 𝕜 F
p : FormalMultilinearSeries 𝕜 E F
r : ℝ≥0
⊢ ∀ (i : ℝ), ∃ i', ⨆ (_ : ∀ (n : ℕ), ‖p (n + 1)‖ * ↑r ^ n ≤ i), ↑r ≤ ⨆ (_ : ∀ (n : ℕ), ‖p n‖ * ↑r ^ n ≤ i'), ↑r
Module: Mathlib.Analysis.Analytic.ConvergenceRadius

Goal state before:
pp: case h
𝕜 : Type u_1
E : Type u_3
F : Type u_4
inst✝⁴ : NontriviallyNormedField 𝕜
inst✝³ : NormedAddCommGroup E
inst✝² : NormedSpace 𝕜 E
inst✝¹ : NormedAddCommGroup F
inst✝ : NormedSpace 𝕜 F
p : FormalMultilinearSeries 𝕜 E F
r : ℝ≥0
C : ℝ
⊢ ⨆ (_ : ∀ (n : ℕ), ‖p (n + 1)‖ * ↑r ^ n ≤ C), ↑r ≤ ⨆ (_ : ∀ (n : ℕ), ‖p n‖ * ↑r ^ n ≤ max ‖p 0‖ (C * ↑r)), ↑r

Tactic:
apply iSup_mono'

Goal state after:
case h
𝕜 : Type u_1
E : Type u_3
F : Type u_4
inst✝⁴ : NontriviallyNormedField 𝕜
inst✝³ : NormedAddCommGroup E
inst✝² : NormedSpace 𝕜 E
inst✝¹ : NormedAddCommGroup F
inst✝ : NormedSpace 𝕜 F
p : FormalMultilinearSeries 𝕜 E F
r : ℝ≥0
C : ℝ
⊢ (∀ (n : ℕ), ‖p (n + 1)‖ * ↑r ^ n ≤ C) → ∃ (_ : ∀ (n : ℕ), ‖p n‖ * ↑r ^ n ≤ max ‖p 0‖ (C * ↑r)), ↑r ≤ ↑r
Module: Mathlib.Analysis.Analytic.ConvergenceRadius

Goal state before:
pp: case a
𝕜 : Type u_1
E : Type u_3
F : Type u_4
inst✝⁴ : NontriviallyNormedField 𝕜
inst✝³ : NormedAddCommGroup E
inst✝² : NormedSpace 𝕜 E
inst✝¹ : NormedAddCommGroup F
inst✝ : NormedSpace 𝕜 F
p : FormalMultilinearSeries 𝕜 E F
r : ℝ≥0
⊢ ⨆ C, ⨆ (_ : ∀ (n : ℕ), ‖p n‖ * ↑r ^ n ≤ C), ↑r ≤ ⨆ C, ⨆ (_ : ∀ (n : ℕ), ‖p (n + 1)‖ * ↑r ^ n ≤ C), ↑r

Tactic:
apply iSup_mono'

Goal state after:
case a
𝕜 : Type u_1
E : Type u_3
F : Type u_4
inst✝⁴ : NontriviallyNormedField 𝕜
inst✝³ : NormedAddCommGroup E
inst✝² : NormedSpace 𝕜 E
inst✝¹ : NormedAddCommGroup F
inst✝ : NormedSpace 𝕜 F
p : FormalMultilinearSeries 𝕜 E F
r : ℝ≥0
⊢ ∀ (i : ℝ), ∃ i', ⨆ (_ : ∀ (n : ℕ), ‖p n‖ * ↑r ^ n ≤ i), ↑r ≤ ⨆ (_ : ∀ (n : ℕ), ‖p (n + 1)‖ * ↑r ^ n ≤ i'), ↑r
Module: Mathlib.Analysis.Analytic.ConvergenceRadius

Goal state before:
pp: case h
𝕜 : Type u_1
E : Type u_3
F : Type u_4
inst✝⁴ : NontriviallyNormedField 𝕜
inst✝³ : NormedAddCommGroup E
inst✝² : NormedSpace 𝕜 E
inst✝¹ : NormedAddCommGroup F
inst✝ : NormedSpace 𝕜 F
p : FormalMultilinearSeries 𝕜 E F
r : ℝ≥0
C : ℝ
⊢ ⨆ (_ : ∀ (n : ℕ), ‖p n‖ * ↑r ^ n ≤ C), ↑r ≤ ⨆ (_ : ∀ (n : ℕ), ‖p (n + 1)‖ * ↑r ^ n ≤ max ‖p 1‖ (C / ↑r)), ↑r

Tactic:
apply iSup_mono'

Goal state after:
case h
𝕜 : Type u_1
E : Type u_3
F : Type u_4
inst✝⁴ : NontriviallyNormedField 𝕜
inst✝³ : NormedAddCommGroup E
inst✝² : NormedSpace 𝕜 E
inst✝¹ : NormedAddCommGroup F
inst✝ : NormedSpace 𝕜 F
p : FormalMultilinearSeries 𝕜 E F
r : ℝ≥0
C : ℝ
⊢ (∀ (n : ℕ), ‖p n‖ * ↑r ^ n ≤ C) → ∃ (_ : ∀ (n : ℕ), ‖p (n + 1)‖ * ↑r ^ n ≤ max ‖p 1‖ (C / ↑r)), ↑r ≤ ↑r
Module: Mathlib.Analysis.Analytic.ChangeOrigin

Goal state before:
pp: 𝕜 : Type u_1
E : Type u_2
F : Type u_3
inst✝⁵ : NontriviallyNormedField 𝕜
inst✝⁴ : NormedAddCommGroup E
inst✝³ : NormedSpace 𝕜 E
inst✝² : NormedAddCommGroup F
inst✝¹ : NormedSpace 𝕜 F
inst✝ : CompleteSpace F
f : E → F
p : FormalMultilinearSeries 𝕜 E F
x y : E
r : ℝ≥0∞
hf : HasFPowerSeriesOnBall f p x r
h : ↑‖y‖₊ < r
⊢ HasFPowerSeriesOnBall f (p.changeOrigin y) (x + y) (r - ↑‖y‖₊)

Tactic:
← hasFPowerSeriesWithinOnBall_univ

Goal state after:
𝕜 : Type u_1
E : Type u_2
F : Type u_3
inst✝⁵ : NontriviallyNormedField 𝕜
inst✝⁴ : NormedAddCommGroup E
inst✝³ : NormedSpace 𝕜 E
inst✝² : NormedAddCommGroup F
inst✝¹ : NormedSpace 𝕜 F
inst✝ : CompleteSpace F
f : E → F
p : FormalMultilinearSeries 𝕜 E F
x y : E
r : ℝ≥0∞
hf : HasFPowerSeriesWithinOnBall f p univ x r
h : ↑‖y‖₊ < r
⊢ HasFPowerSeriesWithinOnBall f (p.changeOrigin y) univ (x + y) (r - ↑‖y‖₊)
Module: Mathlib.Analysis.Analytic.ChangeOrigin

Goal state before:
pp: 𝕜 : Type u_1
E : Type u_2
F : Type u_3
inst✝⁵ : NontriviallyNormedField 𝕜
inst✝⁴ : NormedAddCommGroup E
inst✝³ : NormedSpace 𝕜 E
inst✝² : NormedAddCommGroup F
inst✝¹ : NormedSpace 𝕜 F
inst✝ : CompleteSpace F
f : E → F
p : FormalMultilinearSeries 𝕜 E F
x y : E
r : ℝ≥0∞
hf : HasFPowerSeriesOnBall f p x r
h : y ∈ Metric.eball x r
⊢ AnalyticAt 𝕜 f y

Tactic:
← hasFPowerSeriesWithinOnBall_univ

Goal state after:
𝕜 : Type u_1
E : Type u_2
F : Type u_3
inst✝⁵ : NontriviallyNormedField 𝕜
inst✝⁴ : NormedAddCommGroup E
inst✝³ : NormedSpace 𝕜 E
inst✝² : NormedAddCommGroup F
inst✝¹ : NormedSpace 𝕜 F
inst✝ : CompleteSpace F
f : E → F
p : FormalMultilinearSeries 𝕜 E F
x y : E
r : ℝ≥0∞
hf : HasFPowerSeriesWithinOnBall f p univ x r
h : y ∈ Metric.eball x r
⊢ AnalyticAt 𝕜 f y
Module: Mathlib.Analysis.Analytic.Basic

Goal state before:
pp: 𝕜 : Type u_1
E : Type u_2
F : Type u_3
inst✝⁴ : NontriviallyNormedField 𝕜
inst✝³ : NormedAddCommGroup E
inst✝² : NormedSpace 𝕜 E
inst✝¹ : NormedAddCommGroup F
inst✝ : NormedSpace 𝕜 F
f : E → F
p : FormalMultilinearSeries 𝕜 E F
s : Set E
x : E
r : ℝ≥0∞
hf : HasFPowerSeriesOnBall f p x r
⊢ HasFPowerSeriesWithinOnBall f p s x r

Tactic:
← hasFPowerSeriesWithinOnBall_univ

Goal state after:
𝕜 : Type u_1
E : Type u_2
F : Type u_3
inst✝⁴ : NontriviallyNormedField 𝕜
inst✝³ : NormedAddCommGroup E
inst✝² : NormedSpace 𝕜 E
inst✝¹ : NormedAddCommGroup F
inst✝ : NormedSpace 𝕜 F
f : E → F
p : FormalMultilinearSeries 𝕜 E F
s : Set E
x : E
r : ℝ≥0∞
hf : HasFPowerSeriesWithinOnBall f p univ x r
⊢ HasFPowerSeriesWithinOnBall f p s x r