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https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/ForMathlib/MvPowerSeries/Topology.lean
MvPowerSeries.variables_tendsto_zero
[186, 1]
[213, 20]
rw [tendsto_pi_nhds]
σ : Type u_1 α : Type u_2 inst✝³ : DecidableEq σ inst✝² : TopologicalSpace α inst✝¹ : CommRing α inst✝ : TopologicalRing α ⊢ Filter.Tendsto (fun s => X s) Filter.cofinite (nhds 0)
σ : Type u_1 α : Type u_2 inst✝³ : DecidableEq σ inst✝² : TopologicalSpace α inst✝¹ : CommRing α inst✝ : TopologicalRing α ⊢ ∀ (x : σ →₀ ℕ), Filter.Tendsto (fun i => X i x) Filter.cofinite (nhds (0 x))
Please generate a tactic in lean4 to solve the state. STATE: σ : Type u_1 α : Type u_2 inst✝³ : DecidableEq σ inst✝² : TopologicalSpace α inst✝¹ : CommRing α inst✝ : TopologicalRing α ⊢ Filter.Tendsto (fun s => X s) Filter.cofinite (nhds 0) TACTIC:
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/ForMathlib/MvPowerSeries/Topology.lean
MvPowerSeries.variables_tendsto_zero
[186, 1]
[213, 20]
intro d s hs
σ : Type u_1 α : Type u_2 inst✝³ : DecidableEq σ inst✝² : TopologicalSpace α inst✝¹ : CommRing α inst✝ : TopologicalRing α ⊢ ∀ (x : σ →₀ ℕ), Filter.Tendsto (fun i => X i x) Filter.cofinite (nhds (0 x))
σ : Type u_1 α : Type u_2 inst✝³ : DecidableEq σ inst✝² : TopologicalSpace α inst✝¹ : CommRing α inst✝ : TopologicalRing α d : σ →₀ ℕ s : Set α hs : s ∈ nhds (0 d) ⊢ s ∈ Filter.map (fun i => X i d) Filter.cofinite
Please generate a tactic in lean4 to solve the state. STATE: σ : Type u_1 α : Type u_2 inst✝³ : DecidableEq σ inst✝² : TopologicalSpace α inst✝¹ : CommRing α inst✝ : TopologicalRing α ⊢ ∀ (x : σ →₀ ℕ), Filter.Tendsto (fun i => X i x) Filter.cofinite (nhds (0 x)) TACTIC:
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/ForMathlib/MvPowerSeries/Topology.lean
MvPowerSeries.variables_tendsto_zero
[186, 1]
[213, 20]
rw [Filter.mem_map, Filter.mem_cofinite, ← Set.preimage_compl]
σ : Type u_1 α : Type u_2 inst✝³ : DecidableEq σ inst✝² : TopologicalSpace α inst✝¹ : CommRing α inst✝ : TopologicalRing α d : σ →₀ ℕ s : Set α hs : s ∈ nhds (0 d) ⊢ s ∈ Filter.map (fun i => X i d) Filter.cofinite
σ : Type u_1 α : Type u_2 inst✝³ : DecidableEq σ inst✝² : TopologicalSpace α inst✝¹ : CommRing α inst✝ : TopologicalRing α d : σ →₀ ℕ s : Set α hs : s ∈ nhds (0 d) ⊢ ((fun i => X i d) ⁻¹' sᶜ).Finite
Please generate a tactic in lean4 to solve the state. STATE: σ : Type u_1 α : Type u_2 inst✝³ : DecidableEq σ inst✝² : TopologicalSpace α inst✝¹ : CommRing α inst✝ : TopologicalRing α d : σ →₀ ℕ s : Set α hs : s ∈ nhds (0 d) ⊢ s ∈ Filter.map (fun i => X i d) Filter.cofinite TACTIC:
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/ForMathlib/MvPowerSeries/Topology.lean
MvPowerSeries.variables_tendsto_zero
[186, 1]
[213, 20]
by_cases h : ∃ i, d = Finsupp.single i 1
σ : Type u_1 α : Type u_2 inst✝³ : DecidableEq σ inst✝² : TopologicalSpace α inst✝¹ : CommRing α inst✝ : TopologicalRing α d : σ →₀ ℕ s : Set α hs : s ∈ nhds (0 d) ⊢ ((fun i => X i d) ⁻¹' sᶜ).Finite
case pos σ : Type u_1 α : Type u_2 inst✝³ : DecidableEq σ inst✝² : TopologicalSpace α inst✝¹ : CommRing α inst✝ : TopologicalRing α d : σ →₀ ℕ s : Set α hs : s ∈ nhds (0 d) h : ∃ i, d = Finsupp.single i 1 ⊢ ((fun i => X i d) ⁻¹' sᶜ).Finite case neg σ : Type u_1 α : Type u_2 inst✝³ : DecidableEq σ inst✝² : TopologicalS...
Please generate a tactic in lean4 to solve the state. STATE: σ : Type u_1 α : Type u_2 inst✝³ : DecidableEq σ inst✝² : TopologicalSpace α inst✝¹ : CommRing α inst✝ : TopologicalRing α d : σ →₀ ℕ s : Set α hs : s ∈ nhds (0 d) ⊢ ((fun i => X i d) ⁻¹' sᶜ).Finite TACTIC:
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/ForMathlib/MvPowerSeries/Topology.lean
MvPowerSeries.variables_tendsto_zero
[186, 1]
[213, 20]
. convert Set.finite_empty rw [Set.eq_empty_iff_forall_not_mem] intro x rw [Set.mem_preimage, Set.not_mem_compl_iff] convert mem_of_mem_nhds hs using 1 rw [← coeff_eq_apply (X x) d, coeff_X, if_neg] rfl . intro h' apply h exact ⟨x, h'⟩
case neg σ : Type u_1 α : Type u_2 inst✝³ : DecidableEq σ inst✝² : TopologicalSpace α inst✝¹ : CommRing α inst✝ : TopologicalRing α d : σ →₀ ℕ s : Set α hs : s ∈ nhds (0 d) h : ¬∃ i, d = Finsupp.single i 1 ⊢ ((fun i => X i d) ⁻¹' sᶜ).Finite
no goals
Please generate a tactic in lean4 to solve the state. STATE: case neg σ : Type u_1 α : Type u_2 inst✝³ : DecidableEq σ inst✝² : TopologicalSpace α inst✝¹ : CommRing α inst✝ : TopologicalRing α d : σ →₀ ℕ s : Set α hs : s ∈ nhds (0 d) h : ¬∃ i, d = Finsupp.single i 1 ⊢ ((fun i => X i d) ⁻¹' sᶜ).Finite TACTIC:
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/ForMathlib/MvPowerSeries/Topology.lean
MvPowerSeries.variables_tendsto_zero
[186, 1]
[213, 20]
obtain ⟨i, rfl⟩ := h
case pos σ : Type u_1 α : Type u_2 inst✝³ : DecidableEq σ inst✝² : TopologicalSpace α inst✝¹ : CommRing α inst✝ : TopologicalRing α d : σ →₀ ℕ s : Set α hs : s ∈ nhds (0 d) h : ∃ i, d = Finsupp.single i 1 ⊢ ((fun i => X i d) ⁻¹' sᶜ).Finite
case pos.intro σ : Type u_1 α : Type u_2 inst✝³ : DecidableEq σ inst✝² : TopologicalSpace α inst✝¹ : CommRing α inst✝ : TopologicalRing α s : Set α i : σ hs : s ∈ nhds (0 (Finsupp.single i 1)) ⊢ ((fun i_1 => X i_1 (Finsupp.single i 1)) ⁻¹' sᶜ).Finite
Please generate a tactic in lean4 to solve the state. STATE: case pos σ : Type u_1 α : Type u_2 inst✝³ : DecidableEq σ inst✝² : TopologicalSpace α inst✝¹ : CommRing α inst✝ : TopologicalRing α d : σ →₀ ℕ s : Set α hs : s ∈ nhds (0 d) h : ∃ i, d = Finsupp.single i 1 ⊢ ((fun i => X i d) ⁻¹' sᶜ).Finite TACTIC:
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/ForMathlib/MvPowerSeries/Topology.lean
MvPowerSeries.variables_tendsto_zero
[186, 1]
[213, 20]
apply Set.Finite.subset (Set.finite_singleton i)
case pos.intro σ : Type u_1 α : Type u_2 inst✝³ : DecidableEq σ inst✝² : TopologicalSpace α inst✝¹ : CommRing α inst✝ : TopologicalRing α s : Set α i : σ hs : s ∈ nhds (0 (Finsupp.single i 1)) ⊢ ((fun i_1 => X i_1 (Finsupp.single i 1)) ⁻¹' sᶜ).Finite
case pos.intro σ : Type u_1 α : Type u_2 inst✝³ : DecidableEq σ inst✝² : TopologicalSpace α inst✝¹ : CommRing α inst✝ : TopologicalRing α s : Set α i : σ hs : s ∈ nhds (0 (Finsupp.single i 1)) ⊢ (fun i_1 => X i_1 (Finsupp.single i 1)) ⁻¹' sᶜ ⊆ {i}
Please generate a tactic in lean4 to solve the state. STATE: case pos.intro σ : Type u_1 α : Type u_2 inst✝³ : DecidableEq σ inst✝² : TopologicalSpace α inst✝¹ : CommRing α inst✝ : TopologicalRing α s : Set α i : σ hs : s ∈ nhds (0 (Finsupp.single i 1)) ⊢ ((fun i_1 => X i_1 (Finsupp.single i 1)) ⁻¹' sᶜ).Finite TACTIC:
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/ForMathlib/MvPowerSeries/Topology.lean
MvPowerSeries.variables_tendsto_zero
[186, 1]
[213, 20]
intro x
case pos.intro σ : Type u_1 α : Type u_2 inst✝³ : DecidableEq σ inst✝² : TopologicalSpace α inst✝¹ : CommRing α inst✝ : TopologicalRing α s : Set α i : σ hs : s ∈ nhds (0 (Finsupp.single i 1)) ⊢ (fun i_1 => X i_1 (Finsupp.single i 1)) ⁻¹' sᶜ ⊆ {i}
case pos.intro σ : Type u_1 α : Type u_2 inst✝³ : DecidableEq σ inst✝² : TopologicalSpace α inst✝¹ : CommRing α inst✝ : TopologicalRing α s : Set α i : σ hs : s ∈ nhds (0 (Finsupp.single i 1)) x : σ ⊢ x ∈ (fun i_1 => X i_1 (Finsupp.single i 1)) ⁻¹' sᶜ → x ∈ {i}
Please generate a tactic in lean4 to solve the state. STATE: case pos.intro σ : Type u_1 α : Type u_2 inst✝³ : DecidableEq σ inst✝² : TopologicalSpace α inst✝¹ : CommRing α inst✝ : TopologicalRing α s : Set α i : σ hs : s ∈ nhds (0 (Finsupp.single i 1)) ⊢ (fun i_1 => X i_1 (Finsupp.single i 1)) ⁻¹' sᶜ ⊆ {i} TACTIC:
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/ForMathlib/MvPowerSeries/Topology.lean
MvPowerSeries.variables_tendsto_zero
[186, 1]
[213, 20]
simp only [OfNat.ofNat, Zero.zero] at hs
case pos.intro σ : Type u_1 α : Type u_2 inst✝³ : DecidableEq σ inst✝² : TopologicalSpace α inst✝¹ : CommRing α inst✝ : TopologicalRing α s : Set α i : σ hs : s ∈ nhds (0 (Finsupp.single i 1)) x : σ ⊢ x ∈ (fun i_1 => X i_1 (Finsupp.single i 1)) ⁻¹' sᶜ → x ∈ {i}
case pos.intro σ : Type u_1 α : Type u_2 inst✝³ : DecidableEq σ inst✝² : TopologicalSpace α inst✝¹ : CommRing α inst✝ : TopologicalRing α s : Set α i : σ hs : s ∈ nhds Zero.zero x : σ ⊢ x ∈ (fun i_1 => X i_1 (Finsupp.single i 1)) ⁻¹' sᶜ → x ∈ {i}
Please generate a tactic in lean4 to solve the state. STATE: case pos.intro σ : Type u_1 α : Type u_2 inst✝³ : DecidableEq σ inst✝² : TopologicalSpace α inst✝¹ : CommRing α inst✝ : TopologicalRing α s : Set α i : σ hs : s ∈ nhds (0 (Finsupp.single i 1)) x : σ ⊢ x ∈ (fun i_1 => X i_1 (Finsupp.single i 1)) ⁻¹' sᶜ → x ∈ {...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/ForMathlib/MvPowerSeries/Topology.lean
MvPowerSeries.variables_tendsto_zero
[186, 1]
[213, 20]
rw [Set.mem_preimage, Set.mem_compl_iff, Set.mem_singleton_iff, not_imp_comm]
case pos.intro σ : Type u_1 α : Type u_2 inst✝³ : DecidableEq σ inst✝² : TopologicalSpace α inst✝¹ : CommRing α inst✝ : TopologicalRing α s : Set α i : σ hs : s ∈ nhds Zero.zero x : σ ⊢ x ∈ (fun i_1 => X i_1 (Finsupp.single i 1)) ⁻¹' sᶜ → x ∈ {i}
case pos.intro σ : Type u_1 α : Type u_2 inst✝³ : DecidableEq σ inst✝² : TopologicalSpace α inst✝¹ : CommRing α inst✝ : TopologicalRing α s : Set α i : σ hs : s ∈ nhds Zero.zero x : σ ⊢ ¬x = i → X x (Finsupp.single i 1) ∈ s
Please generate a tactic in lean4 to solve the state. STATE: case pos.intro σ : Type u_1 α : Type u_2 inst✝³ : DecidableEq σ inst✝² : TopologicalSpace α inst✝¹ : CommRing α inst✝ : TopologicalRing α s : Set α i : σ hs : s ∈ nhds Zero.zero x : σ ⊢ x ∈ (fun i_1 => X i_1 (Finsupp.single i 1)) ⁻¹' sᶜ → x ∈ {i} TACTIC:
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/ForMathlib/MvPowerSeries/Topology.lean
MvPowerSeries.variables_tendsto_zero
[186, 1]
[213, 20]
intro hx
case pos.intro σ : Type u_1 α : Type u_2 inst✝³ : DecidableEq σ inst✝² : TopologicalSpace α inst✝¹ : CommRing α inst✝ : TopologicalRing α s : Set α i : σ hs : s ∈ nhds Zero.zero x : σ ⊢ ¬x = i → X x (Finsupp.single i 1) ∈ s
case pos.intro σ : Type u_1 α : Type u_2 inst✝³ : DecidableEq σ inst✝² : TopologicalSpace α inst✝¹ : CommRing α inst✝ : TopologicalRing α s : Set α i : σ hs : s ∈ nhds Zero.zero x : σ hx : ¬x = i ⊢ X x (Finsupp.single i 1) ∈ s
Please generate a tactic in lean4 to solve the state. STATE: case pos.intro σ : Type u_1 α : Type u_2 inst✝³ : DecidableEq σ inst✝² : TopologicalSpace α inst✝¹ : CommRing α inst✝ : TopologicalRing α s : Set α i : σ hs : s ∈ nhds Zero.zero x : σ ⊢ ¬x = i → X x (Finsupp.single i 1) ∈ s TACTIC:
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/ForMathlib/MvPowerSeries/Topology.lean
MvPowerSeries.variables_tendsto_zero
[186, 1]
[213, 20]
convert mem_of_mem_nhds hs
case pos.intro σ : Type u_1 α : Type u_2 inst✝³ : DecidableEq σ inst✝² : TopologicalSpace α inst✝¹ : CommRing α inst✝ : TopologicalRing α s : Set α i : σ hs : s ∈ nhds Zero.zero x : σ hx : ¬x = i ⊢ X x (Finsupp.single i 1) ∈ s
case h.e'_4 σ : Type u_1 α : Type u_2 inst✝³ : DecidableEq σ inst✝² : TopologicalSpace α inst✝¹ : CommRing α inst✝ : TopologicalRing α s : Set α i : σ hs : s ∈ nhds Zero.zero x : σ hx : ¬x = i ⊢ X x (Finsupp.single i 1) = Zero.zero
Please generate a tactic in lean4 to solve the state. STATE: case pos.intro σ : Type u_1 α : Type u_2 inst✝³ : DecidableEq σ inst✝² : TopologicalSpace α inst✝¹ : CommRing α inst✝ : TopologicalRing α s : Set α i : σ hs : s ∈ nhds Zero.zero x : σ hx : ¬x = i ⊢ X x (Finsupp.single i 1) ∈ s TACTIC:
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/ForMathlib/MvPowerSeries/Topology.lean
MvPowerSeries.variables_tendsto_zero
[186, 1]
[213, 20]
rw [← coeff_eq_apply (X x) (Finsupp.single i 1), coeff_X, if_neg]
case h.e'_4 σ : Type u_1 α : Type u_2 inst✝³ : DecidableEq σ inst✝² : TopologicalSpace α inst✝¹ : CommRing α inst✝ : TopologicalRing α s : Set α i : σ hs : s ∈ nhds Zero.zero x : σ hx : ¬x = i ⊢ X x (Finsupp.single i 1) = Zero.zero
case h.e'_4 σ : Type u_1 α : Type u_2 inst✝³ : DecidableEq σ inst✝² : TopologicalSpace α inst✝¹ : CommRing α inst✝ : TopologicalRing α s : Set α i : σ hs : s ∈ nhds Zero.zero x : σ hx : ¬x = i ⊢ 0 = Zero.zero case h.e'_4.hnc σ : Type u_1 α : Type u_2 inst✝³ : DecidableEq σ inst✝² : TopologicalSpace α inst✝¹ : CommRing...
Please generate a tactic in lean4 to solve the state. STATE: case h.e'_4 σ : Type u_1 α : Type u_2 inst✝³ : DecidableEq σ inst✝² : TopologicalSpace α inst✝¹ : CommRing α inst✝ : TopologicalRing α s : Set α i : σ hs : s ∈ nhds Zero.zero x : σ hx : ¬x = i ⊢ X x (Finsupp.single i 1) = Zero.zero TACTIC:
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/ForMathlib/MvPowerSeries/Topology.lean
MvPowerSeries.variables_tendsto_zero
[186, 1]
[213, 20]
rfl
case h.e'_4 σ : Type u_1 α : Type u_2 inst✝³ : DecidableEq σ inst✝² : TopologicalSpace α inst✝¹ : CommRing α inst✝ : TopologicalRing α s : Set α i : σ hs : s ∈ nhds Zero.zero x : σ hx : ¬x = i ⊢ 0 = Zero.zero case h.e'_4.hnc σ : Type u_1 α : Type u_2 inst✝³ : DecidableEq σ inst✝² : TopologicalSpace α inst✝¹ : CommRing...
case h.e'_4.hnc σ : Type u_1 α : Type u_2 inst✝³ : DecidableEq σ inst✝² : TopologicalSpace α inst✝¹ : CommRing α inst✝ : TopologicalRing α s : Set α i : σ hs : s ∈ nhds Zero.zero x : σ hx : ¬x = i ⊢ ¬Finsupp.single i 1 = Finsupp.single x 1
Please generate a tactic in lean4 to solve the state. STATE: case h.e'_4 σ : Type u_1 α : Type u_2 inst✝³ : DecidableEq σ inst✝² : TopologicalSpace α inst✝¹ : CommRing α inst✝ : TopologicalRing α s : Set α i : σ hs : s ∈ nhds Zero.zero x : σ hx : ¬x = i ⊢ 0 = Zero.zero case h.e'_4.hnc σ : Type u_1 α : Type u_2 inst✝³ ...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/ForMathlib/MvPowerSeries/Topology.lean
MvPowerSeries.variables_tendsto_zero
[186, 1]
[213, 20]
simp only [Finsupp.single_eq_single_iff, Ne.symm hx, and_true, one_ne_zero, and_self, or_self, not_false_eq_true]
case h.e'_4.hnc σ : Type u_1 α : Type u_2 inst✝³ : DecidableEq σ inst✝² : TopologicalSpace α inst✝¹ : CommRing α inst✝ : TopologicalRing α s : Set α i : σ hs : s ∈ nhds Zero.zero x : σ hx : ¬x = i ⊢ ¬Finsupp.single i 1 = Finsupp.single x 1
no goals
Please generate a tactic in lean4 to solve the state. STATE: case h.e'_4.hnc σ : Type u_1 α : Type u_2 inst✝³ : DecidableEq σ inst✝² : TopologicalSpace α inst✝¹ : CommRing α inst✝ : TopologicalRing α s : Set α i : σ hs : s ∈ nhds Zero.zero x : σ hx : ¬x = i ⊢ ¬Finsupp.single i 1 = Finsupp.single x 1 TACTIC:
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/ForMathlib/MvPowerSeries/Topology.lean
MvPowerSeries.variables_tendsto_zero
[186, 1]
[213, 20]
convert Set.finite_empty
case neg σ : Type u_1 α : Type u_2 inst✝³ : DecidableEq σ inst✝² : TopologicalSpace α inst✝¹ : CommRing α inst✝ : TopologicalRing α d : σ →₀ ℕ s : Set α hs : s ∈ nhds (0 d) h : ¬∃ i, d = Finsupp.single i 1 ⊢ ((fun i => X i d) ⁻¹' sᶜ).Finite
case h.e'_2 σ : Type u_1 α : Type u_2 inst✝³ : DecidableEq σ inst✝² : TopologicalSpace α inst✝¹ : CommRing α inst✝ : TopologicalRing α d : σ →₀ ℕ s : Set α hs : s ∈ nhds (0 d) h : ¬∃ i, d = Finsupp.single i 1 ⊢ (fun i => X i d) ⁻¹' sᶜ = ∅
Please generate a tactic in lean4 to solve the state. STATE: case neg σ : Type u_1 α : Type u_2 inst✝³ : DecidableEq σ inst✝² : TopologicalSpace α inst✝¹ : CommRing α inst✝ : TopologicalRing α d : σ →₀ ℕ s : Set α hs : s ∈ nhds (0 d) h : ¬∃ i, d = Finsupp.single i 1 ⊢ ((fun i => X i d) ⁻¹' sᶜ).Finite TACTIC:
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/ForMathlib/MvPowerSeries/Topology.lean
MvPowerSeries.variables_tendsto_zero
[186, 1]
[213, 20]
rw [Set.eq_empty_iff_forall_not_mem]
case h.e'_2 σ : Type u_1 α : Type u_2 inst✝³ : DecidableEq σ inst✝² : TopologicalSpace α inst✝¹ : CommRing α inst✝ : TopologicalRing α d : σ →₀ ℕ s : Set α hs : s ∈ nhds (0 d) h : ¬∃ i, d = Finsupp.single i 1 ⊢ (fun i => X i d) ⁻¹' sᶜ = ∅
case h.e'_2 σ : Type u_1 α : Type u_2 inst✝³ : DecidableEq σ inst✝² : TopologicalSpace α inst✝¹ : CommRing α inst✝ : TopologicalRing α d : σ →₀ ℕ s : Set α hs : s ∈ nhds (0 d) h : ¬∃ i, d = Finsupp.single i 1 ⊢ ∀ (x : σ), x ∉ (fun i => X i d) ⁻¹' sᶜ
Please generate a tactic in lean4 to solve the state. STATE: case h.e'_2 σ : Type u_1 α : Type u_2 inst✝³ : DecidableEq σ inst✝² : TopologicalSpace α inst✝¹ : CommRing α inst✝ : TopologicalRing α d : σ →₀ ℕ s : Set α hs : s ∈ nhds (0 d) h : ¬∃ i, d = Finsupp.single i 1 ⊢ (fun i => X i d) ⁻¹' sᶜ = ∅ TACTIC:
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/ForMathlib/MvPowerSeries/Topology.lean
MvPowerSeries.variables_tendsto_zero
[186, 1]
[213, 20]
intro x
case h.e'_2 σ : Type u_1 α : Type u_2 inst✝³ : DecidableEq σ inst✝² : TopologicalSpace α inst✝¹ : CommRing α inst✝ : TopologicalRing α d : σ →₀ ℕ s : Set α hs : s ∈ nhds (0 d) h : ¬∃ i, d = Finsupp.single i 1 ⊢ ∀ (x : σ), x ∉ (fun i => X i d) ⁻¹' sᶜ
case h.e'_2 σ : Type u_1 α : Type u_2 inst✝³ : DecidableEq σ inst✝² : TopologicalSpace α inst✝¹ : CommRing α inst✝ : TopologicalRing α d : σ →₀ ℕ s : Set α hs : s ∈ nhds (0 d) h : ¬∃ i, d = Finsupp.single i 1 x : σ ⊢ x ∉ (fun i => X i d) ⁻¹' sᶜ
Please generate a tactic in lean4 to solve the state. STATE: case h.e'_2 σ : Type u_1 α : Type u_2 inst✝³ : DecidableEq σ inst✝² : TopologicalSpace α inst✝¹ : CommRing α inst✝ : TopologicalRing α d : σ →₀ ℕ s : Set α hs : s ∈ nhds (0 d) h : ¬∃ i, d = Finsupp.single i 1 ⊢ ∀ (x : σ), x ∉ (fun i => X i d) ⁻¹' sᶜ TACTIC:
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/ForMathlib/MvPowerSeries/Topology.lean
MvPowerSeries.variables_tendsto_zero
[186, 1]
[213, 20]
rw [Set.mem_preimage, Set.not_mem_compl_iff]
case h.e'_2 σ : Type u_1 α : Type u_2 inst✝³ : DecidableEq σ inst✝² : TopologicalSpace α inst✝¹ : CommRing α inst✝ : TopologicalRing α d : σ →₀ ℕ s : Set α hs : s ∈ nhds (0 d) h : ¬∃ i, d = Finsupp.single i 1 x : σ ⊢ x ∉ (fun i => X i d) ⁻¹' sᶜ
case h.e'_2 σ : Type u_1 α : Type u_2 inst✝³ : DecidableEq σ inst✝² : TopologicalSpace α inst✝¹ : CommRing α inst✝ : TopologicalRing α d : σ →₀ ℕ s : Set α hs : s ∈ nhds (0 d) h : ¬∃ i, d = Finsupp.single i 1 x : σ ⊢ X x d ∈ s
Please generate a tactic in lean4 to solve the state. STATE: case h.e'_2 σ : Type u_1 α : Type u_2 inst✝³ : DecidableEq σ inst✝² : TopologicalSpace α inst✝¹ : CommRing α inst✝ : TopologicalRing α d : σ →₀ ℕ s : Set α hs : s ∈ nhds (0 d) h : ¬∃ i, d = Finsupp.single i 1 x : σ ⊢ x ∉ (fun i => X i d) ⁻¹' sᶜ TACTIC:
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/ForMathlib/MvPowerSeries/Topology.lean
MvPowerSeries.variables_tendsto_zero
[186, 1]
[213, 20]
convert mem_of_mem_nhds hs using 1
case h.e'_2 σ : Type u_1 α : Type u_2 inst✝³ : DecidableEq σ inst✝² : TopologicalSpace α inst✝¹ : CommRing α inst✝ : TopologicalRing α d : σ →₀ ℕ s : Set α hs : s ∈ nhds (0 d) h : ¬∃ i, d = Finsupp.single i 1 x : σ ⊢ X x d ∈ s
case h.e'_4 σ : Type u_1 α : Type u_2 inst✝³ : DecidableEq σ inst✝² : TopologicalSpace α inst✝¹ : CommRing α inst✝ : TopologicalRing α d : σ →₀ ℕ s : Set α hs : s ∈ nhds (0 d) h : ¬∃ i, d = Finsupp.single i 1 x : σ ⊢ X x d = 0 d
Please generate a tactic in lean4 to solve the state. STATE: case h.e'_2 σ : Type u_1 α : Type u_2 inst✝³ : DecidableEq σ inst✝² : TopologicalSpace α inst✝¹ : CommRing α inst✝ : TopologicalRing α d : σ →₀ ℕ s : Set α hs : s ∈ nhds (0 d) h : ¬∃ i, d = Finsupp.single i 1 x : σ ⊢ X x d ∈ s TACTIC:
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/ForMathlib/MvPowerSeries/Topology.lean
MvPowerSeries.variables_tendsto_zero
[186, 1]
[213, 20]
rw [← coeff_eq_apply (X x) d, coeff_X, if_neg]
case h.e'_4 σ : Type u_1 α : Type u_2 inst✝³ : DecidableEq σ inst✝² : TopologicalSpace α inst✝¹ : CommRing α inst✝ : TopologicalRing α d : σ →₀ ℕ s : Set α hs : s ∈ nhds (0 d) h : ¬∃ i, d = Finsupp.single i 1 x : σ ⊢ X x d = 0 d
case h.e'_4 σ : Type u_1 α : Type u_2 inst✝³ : DecidableEq σ inst✝² : TopologicalSpace α inst✝¹ : CommRing α inst✝ : TopologicalRing α d : σ →₀ ℕ s : Set α hs : s ∈ nhds (0 d) h : ¬∃ i, d = Finsupp.single i 1 x : σ ⊢ 0 = 0 d case h.e'_4.hnc σ : Type u_1 α : Type u_2 inst✝³ : DecidableEq σ inst✝² : TopologicalSpace α i...
Please generate a tactic in lean4 to solve the state. STATE: case h.e'_4 σ : Type u_1 α : Type u_2 inst✝³ : DecidableEq σ inst✝² : TopologicalSpace α inst✝¹ : CommRing α inst✝ : TopologicalRing α d : σ →₀ ℕ s : Set α hs : s ∈ nhds (0 d) h : ¬∃ i, d = Finsupp.single i 1 x : σ ⊢ X x d = 0 d TACTIC:
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/ForMathlib/MvPowerSeries/Topology.lean
MvPowerSeries.variables_tendsto_zero
[186, 1]
[213, 20]
rfl
case h.e'_4 σ : Type u_1 α : Type u_2 inst✝³ : DecidableEq σ inst✝² : TopologicalSpace α inst✝¹ : CommRing α inst✝ : TopologicalRing α d : σ →₀ ℕ s : Set α hs : s ∈ nhds (0 d) h : ¬∃ i, d = Finsupp.single i 1 x : σ ⊢ 0 = 0 d case h.e'_4.hnc σ : Type u_1 α : Type u_2 inst✝³ : DecidableEq σ inst✝² : TopologicalSpace α i...
case h.e'_4.hnc σ : Type u_1 α : Type u_2 inst✝³ : DecidableEq σ inst✝² : TopologicalSpace α inst✝¹ : CommRing α inst✝ : TopologicalRing α d : σ →₀ ℕ s : Set α hs : s ∈ nhds (0 d) h : ¬∃ i, d = Finsupp.single i 1 x : σ ⊢ ¬d = Finsupp.single x 1
Please generate a tactic in lean4 to solve the state. STATE: case h.e'_4 σ : Type u_1 α : Type u_2 inst✝³ : DecidableEq σ inst✝² : TopologicalSpace α inst✝¹ : CommRing α inst✝ : TopologicalRing α d : σ →₀ ℕ s : Set α hs : s ∈ nhds (0 d) h : ¬∃ i, d = Finsupp.single i 1 x : σ ⊢ 0 = 0 d case h.e'_4.hnc σ : Type u_1 α : ...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/ForMathlib/MvPowerSeries/Topology.lean
MvPowerSeries.variables_tendsto_zero
[186, 1]
[213, 20]
. intro h' apply h exact ⟨x, h'⟩
case h.e'_4.hnc σ : Type u_1 α : Type u_2 inst✝³ : DecidableEq σ inst✝² : TopologicalSpace α inst✝¹ : CommRing α inst✝ : TopologicalRing α d : σ →₀ ℕ s : Set α hs : s ∈ nhds (0 d) h : ¬∃ i, d = Finsupp.single i 1 x : σ ⊢ ¬d = Finsupp.single x 1
no goals
Please generate a tactic in lean4 to solve the state. STATE: case h.e'_4.hnc σ : Type u_1 α : Type u_2 inst✝³ : DecidableEq σ inst✝² : TopologicalSpace α inst✝¹ : CommRing α inst✝ : TopologicalRing α d : σ →₀ ℕ s : Set α hs : s ∈ nhds (0 d) h : ¬∃ i, d = Finsupp.single i 1 x : σ ⊢ ¬d = Finsupp.single x 1 TACTIC:
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/ForMathlib/MvPowerSeries/Topology.lean
MvPowerSeries.variables_tendsto_zero
[186, 1]
[213, 20]
intro h'
case h.e'_4.hnc σ : Type u_1 α : Type u_2 inst✝³ : DecidableEq σ inst✝² : TopologicalSpace α inst✝¹ : CommRing α inst✝ : TopologicalRing α d : σ →₀ ℕ s : Set α hs : s ∈ nhds (0 d) h : ¬∃ i, d = Finsupp.single i 1 x : σ ⊢ ¬d = Finsupp.single x 1
case h.e'_4.hnc σ : Type u_1 α : Type u_2 inst✝³ : DecidableEq σ inst✝² : TopologicalSpace α inst✝¹ : CommRing α inst✝ : TopologicalRing α d : σ →₀ ℕ s : Set α hs : s ∈ nhds (0 d) h : ¬∃ i, d = Finsupp.single i 1 x : σ h' : d = Finsupp.single x 1 ⊢ False
Please generate a tactic in lean4 to solve the state. STATE: case h.e'_4.hnc σ : Type u_1 α : Type u_2 inst✝³ : DecidableEq σ inst✝² : TopologicalSpace α inst✝¹ : CommRing α inst✝ : TopologicalRing α d : σ →₀ ℕ s : Set α hs : s ∈ nhds (0 d) h : ¬∃ i, d = Finsupp.single i 1 x : σ ⊢ ¬d = Finsupp.single x 1 TACTIC:
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/ForMathlib/MvPowerSeries/Topology.lean
MvPowerSeries.variables_tendsto_zero
[186, 1]
[213, 20]
apply h
case h.e'_4.hnc σ : Type u_1 α : Type u_2 inst✝³ : DecidableEq σ inst✝² : TopologicalSpace α inst✝¹ : CommRing α inst✝ : TopologicalRing α d : σ →₀ ℕ s : Set α hs : s ∈ nhds (0 d) h : ¬∃ i, d = Finsupp.single i 1 x : σ h' : d = Finsupp.single x 1 ⊢ False
case h.e'_4.hnc σ : Type u_1 α : Type u_2 inst✝³ : DecidableEq σ inst✝² : TopologicalSpace α inst✝¹ : CommRing α inst✝ : TopologicalRing α d : σ →₀ ℕ s : Set α hs : s ∈ nhds (0 d) h : ¬∃ i, d = Finsupp.single i 1 x : σ h' : d = Finsupp.single x 1 ⊢ ∃ i, d = Finsupp.single i 1
Please generate a tactic in lean4 to solve the state. STATE: case h.e'_4.hnc σ : Type u_1 α : Type u_2 inst✝³ : DecidableEq σ inst✝² : TopologicalSpace α inst✝¹ : CommRing α inst✝ : TopologicalRing α d : σ →₀ ℕ s : Set α hs : s ∈ nhds (0 d) h : ¬∃ i, d = Finsupp.single i 1 x : σ h' : d = Finsupp.single x 1 ⊢ False TACT...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/ForMathlib/MvPowerSeries/Topology.lean
MvPowerSeries.variables_tendsto_zero
[186, 1]
[213, 20]
exact ⟨x, h'⟩
case h.e'_4.hnc σ : Type u_1 α : Type u_2 inst✝³ : DecidableEq σ inst✝² : TopologicalSpace α inst✝¹ : CommRing α inst✝ : TopologicalRing α d : σ →₀ ℕ s : Set α hs : s ∈ nhds (0 d) h : ¬∃ i, d = Finsupp.single i 1 x : σ h' : d = Finsupp.single x 1 ⊢ ∃ i, d = Finsupp.single i 1
no goals
Please generate a tactic in lean4 to solve the state. STATE: case h.e'_4.hnc σ : Type u_1 α : Type u_2 inst✝³ : DecidableEq σ inst✝² : TopologicalSpace α inst✝¹ : CommRing α inst✝ : TopologicalRing α d : σ →₀ ℕ s : Set α hs : s ∈ nhds (0 d) h : ¬∃ i, d = Finsupp.single i 1 x : σ h' : d = Finsupp.single x 1 ⊢ ∃ i, d = F...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/ForMathlib/MvPowerSeries/Topology.lean
MvPowerSeries.tendsto_pow_zero_of_constantCoeff_nilpotent
[215, 1]
[222, 59]
classical obtain ⟨m, hm⟩ := hf simp_rw [tendsto_iff_coeff_tendsto, coeff_zero] exact fun d => tendsto_atTop_of_eventually_const fun n hn => coeff_eq_zero_of_constantCoeff_nilpotent f m hm d n hn
σ : Type u_2 α : Type u_1 inst✝³ : DecidableEq σ inst✝² : TopologicalSpace α inst✝¹ : CommRing α inst✝ : TopologicalRing α f : MvPowerSeries σ α hf : IsNilpotent ((constantCoeff σ α) f) ⊢ Filter.Tendsto (fun n => f ^ n) Filter.atTop (nhds 0)
no goals
Please generate a tactic in lean4 to solve the state. STATE: σ : Type u_2 α : Type u_1 inst✝³ : DecidableEq σ inst✝² : TopologicalSpace α inst✝¹ : CommRing α inst✝ : TopologicalRing α f : MvPowerSeries σ α hf : IsNilpotent ((constantCoeff σ α) f) ⊢ Filter.Tendsto (fun n => f ^ n) Filter.atTop (nhds 0) TACTIC:
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/ForMathlib/MvPowerSeries/Topology.lean
MvPowerSeries.tendsto_pow_zero_of_constantCoeff_nilpotent
[215, 1]
[222, 59]
obtain ⟨m, hm⟩ := hf
σ : Type u_2 α : Type u_1 inst✝³ : DecidableEq σ inst✝² : TopologicalSpace α inst✝¹ : CommRing α inst✝ : TopologicalRing α f : MvPowerSeries σ α hf : IsNilpotent ((constantCoeff σ α) f) ⊢ Filter.Tendsto (fun n => f ^ n) Filter.atTop (nhds 0)
case intro σ : Type u_2 α : Type u_1 inst✝³ : DecidableEq σ inst✝² : TopologicalSpace α inst✝¹ : CommRing α inst✝ : TopologicalRing α f : MvPowerSeries σ α m : ℕ hm : (constantCoeff σ α) f ^ m = 0 ⊢ Filter.Tendsto (fun n => f ^ n) Filter.atTop (nhds 0)
Please generate a tactic in lean4 to solve the state. STATE: σ : Type u_2 α : Type u_1 inst✝³ : DecidableEq σ inst✝² : TopologicalSpace α inst✝¹ : CommRing α inst✝ : TopologicalRing α f : MvPowerSeries σ α hf : IsNilpotent ((constantCoeff σ α) f) ⊢ Filter.Tendsto (fun n => f ^ n) Filter.atTop (nhds 0) TACTIC:
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/ForMathlib/MvPowerSeries/Topology.lean
MvPowerSeries.tendsto_pow_zero_of_constantCoeff_nilpotent
[215, 1]
[222, 59]
simp_rw [tendsto_iff_coeff_tendsto, coeff_zero]
case intro σ : Type u_2 α : Type u_1 inst✝³ : DecidableEq σ inst✝² : TopologicalSpace α inst✝¹ : CommRing α inst✝ : TopologicalRing α f : MvPowerSeries σ α m : ℕ hm : (constantCoeff σ α) f ^ m = 0 ⊢ Filter.Tendsto (fun n => f ^ n) Filter.atTop (nhds 0)
case intro σ : Type u_2 α : Type u_1 inst✝³ : DecidableEq σ inst✝² : TopologicalSpace α inst✝¹ : CommRing α inst✝ : TopologicalRing α f : MvPowerSeries σ α m : ℕ hm : (constantCoeff σ α) f ^ m = 0 ⊢ ∀ (d : σ →₀ ℕ), Filter.Tendsto (fun i => (coeff α d) (f ^ i)) Filter.atTop (nhds 0)
Please generate a tactic in lean4 to solve the state. STATE: case intro σ : Type u_2 α : Type u_1 inst✝³ : DecidableEq σ inst✝² : TopologicalSpace α inst✝¹ : CommRing α inst✝ : TopologicalRing α f : MvPowerSeries σ α m : ℕ hm : (constantCoeff σ α) f ^ m = 0 ⊢ Filter.Tendsto (fun n => f ^ n) Filter.atTop (nhds 0) TACTIC...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/ForMathlib/MvPowerSeries/Topology.lean
MvPowerSeries.tendsto_pow_zero_of_constantCoeff_nilpotent
[215, 1]
[222, 59]
exact fun d => tendsto_atTop_of_eventually_const fun n hn => coeff_eq_zero_of_constantCoeff_nilpotent f m hm d n hn
case intro σ : Type u_2 α : Type u_1 inst✝³ : DecidableEq σ inst✝² : TopologicalSpace α inst✝¹ : CommRing α inst✝ : TopologicalRing α f : MvPowerSeries σ α m : ℕ hm : (constantCoeff σ α) f ^ m = 0 ⊢ ∀ (d : σ →₀ ℕ), Filter.Tendsto (fun i => (coeff α d) (f ^ i)) Filter.atTop (nhds 0)
no goals
Please generate a tactic in lean4 to solve the state. STATE: case intro σ : Type u_2 α : Type u_1 inst✝³ : DecidableEq σ inst✝² : TopologicalSpace α inst✝¹ : CommRing α inst✝ : TopologicalRing α f : MvPowerSeries σ α m : ℕ hm : (constantCoeff σ α) f ^ m = 0 ⊢ ∀ (d : σ →₀ ℕ), Filter.Tendsto (fun i => (coeff α d) (f ^ i)...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/ForMathlib/MvPowerSeries/Topology.lean
MvPowerSeries.tendsto_pow_zero_of_constantCoeff_zero
[224, 1]
[228, 25]
apply tendsto_pow_zero_of_constantCoeff_nilpotent
σ : Type u_2 α : Type u_1 inst✝³ : DecidableEq σ inst✝² : TopologicalSpace α inst✝¹ : CommRing α inst✝ : TopologicalRing α f : MvPowerSeries σ α hf : (constantCoeff σ α) f = 0 ⊢ Filter.Tendsto (fun n => f ^ n) Filter.atTop (nhds 0)
case hf σ : Type u_2 α : Type u_1 inst✝³ : DecidableEq σ inst✝² : TopologicalSpace α inst✝¹ : CommRing α inst✝ : TopologicalRing α f : MvPowerSeries σ α hf : (constantCoeff σ α) f = 0 ⊢ IsNilpotent ((constantCoeff σ α) f)
Please generate a tactic in lean4 to solve the state. STATE: σ : Type u_2 α : Type u_1 inst✝³ : DecidableEq σ inst✝² : TopologicalSpace α inst✝¹ : CommRing α inst✝ : TopologicalRing α f : MvPowerSeries σ α hf : (constantCoeff σ α) f = 0 ⊢ Filter.Tendsto (fun n => f ^ n) Filter.atTop (nhds 0) TACTIC:
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/ForMathlib/MvPowerSeries/Topology.lean
MvPowerSeries.tendsto_pow_zero_of_constantCoeff_zero
[224, 1]
[228, 25]
rw [hf]
case hf σ : Type u_2 α : Type u_1 inst✝³ : DecidableEq σ inst✝² : TopologicalSpace α inst✝¹ : CommRing α inst✝ : TopologicalRing α f : MvPowerSeries σ α hf : (constantCoeff σ α) f = 0 ⊢ IsNilpotent ((constantCoeff σ α) f)
case hf σ : Type u_2 α : Type u_1 inst✝³ : DecidableEq σ inst✝² : TopologicalSpace α inst✝¹ : CommRing α inst✝ : TopologicalRing α f : MvPowerSeries σ α hf : (constantCoeff σ α) f = 0 ⊢ IsNilpotent 0
Please generate a tactic in lean4 to solve the state. STATE: case hf σ : Type u_2 α : Type u_1 inst✝³ : DecidableEq σ inst✝² : TopologicalSpace α inst✝¹ : CommRing α inst✝ : TopologicalRing α f : MvPowerSeries σ α hf : (constantCoeff σ α) f = 0 ⊢ IsNilpotent ((constantCoeff σ α) f) TACTIC:
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/ForMathlib/MvPowerSeries/Topology.lean
MvPowerSeries.tendsto_pow_zero_of_constantCoeff_zero
[224, 1]
[228, 25]
exact IsNilpotent.zero
case hf σ : Type u_2 α : Type u_1 inst✝³ : DecidableEq σ inst✝² : TopologicalSpace α inst✝¹ : CommRing α inst✝ : TopologicalRing α f : MvPowerSeries σ α hf : (constantCoeff σ α) f = 0 ⊢ IsNilpotent 0
no goals
Please generate a tactic in lean4 to solve the state. STATE: case hf σ : Type u_2 α : Type u_1 inst✝³ : DecidableEq σ inst✝² : TopologicalSpace α inst✝¹ : CommRing α inst✝ : TopologicalRing α f : MvPowerSeries σ α hf : (constantCoeff σ α) f = 0 ⊢ IsNilpotent 0 TACTIC:
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/ForMathlib/MvPowerSeries/Topology.lean
MvPowerSeries.tendsto_pow_of_constantCoeff_nilpotent_iff
[231, 1]
[252, 48]
refine' ⟨_, tendsto_pow_zero_of_constantCoeff_nilpotent ⟩
σ : Type u_2 α : Type u_1 inst✝⁴ : DecidableEq σ inst✝³ : TopologicalSpace α inst✝² : CommRing α inst✝¹ : TopologicalRing α inst✝ : DiscreteTopology α f : MvPowerSeries σ α ⊢ Filter.Tendsto (fun n => f ^ n) Filter.atTop (nhds 0) ↔ IsNilpotent ((constantCoeff σ α) f)
σ : Type u_2 α : Type u_1 inst✝⁴ : DecidableEq σ inst✝³ : TopologicalSpace α inst✝² : CommRing α inst✝¹ : TopologicalRing α inst✝ : DiscreteTopology α f : MvPowerSeries σ α ⊢ Filter.Tendsto (fun n => f ^ n) Filter.atTop (nhds 0) → IsNilpotent ((constantCoeff σ α) f)
Please generate a tactic in lean4 to solve the state. STATE: σ : Type u_2 α : Type u_1 inst✝⁴ : DecidableEq σ inst✝³ : TopologicalSpace α inst✝² : CommRing α inst✝¹ : TopologicalRing α inst✝ : DiscreteTopology α f : MvPowerSeries σ α ⊢ Filter.Tendsto (fun n => f ^ n) Filter.atTop (nhds 0) ↔ IsNilpotent ((constantCoeff ...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/ForMathlib/MvPowerSeries/Topology.lean
MvPowerSeries.tendsto_pow_of_constantCoeff_nilpotent_iff
[231, 1]
[252, 48]
intro h
σ : Type u_2 α : Type u_1 inst✝⁴ : DecidableEq σ inst✝³ : TopologicalSpace α inst✝² : CommRing α inst✝¹ : TopologicalRing α inst✝ : DiscreteTopology α f : MvPowerSeries σ α ⊢ Filter.Tendsto (fun n => f ^ n) Filter.atTop (nhds 0) → IsNilpotent ((constantCoeff σ α) f)
σ : Type u_2 α : Type u_1 inst✝⁴ : DecidableEq σ inst✝³ : TopologicalSpace α inst✝² : CommRing α inst✝¹ : TopologicalRing α inst✝ : DiscreteTopology α f : MvPowerSeries σ α h : Filter.Tendsto (fun n => f ^ n) Filter.atTop (nhds 0) ⊢ IsNilpotent ((constantCoeff σ α) f)
Please generate a tactic in lean4 to solve the state. STATE: σ : Type u_2 α : Type u_1 inst✝⁴ : DecidableEq σ inst✝³ : TopologicalSpace α inst✝² : CommRing α inst✝¹ : TopologicalRing α inst✝ : DiscreteTopology α f : MvPowerSeries σ α ⊢ Filter.Tendsto (fun n => f ^ n) Filter.atTop (nhds 0) → IsNilpotent ((constantCoeff ...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/ForMathlib/MvPowerSeries/Topology.lean
MvPowerSeries.tendsto_pow_of_constantCoeff_nilpotent_iff
[231, 1]
[252, 48]
suffices Filter.Tendsto (fun n : ℕ => constantCoeff σ α (f ^ n)) Filter.atTop (nhds 0) by simp only [Filter.tendsto_def] at this specialize this {0} _ suffices ∀ x : α, {x} ∈ nhds x by exact this 0 rw [← discreteTopology_iff_singleton_mem_nhds]; infer_instance simp only [map_pow, Filter.mem_atTop_sets, ge_if...
σ : Type u_2 α : Type u_1 inst✝⁴ : DecidableEq σ inst✝³ : TopologicalSpace α inst✝² : CommRing α inst✝¹ : TopologicalRing α inst✝ : DiscreteTopology α f : MvPowerSeries σ α h : Filter.Tendsto (fun n => f ^ n) Filter.atTop (nhds 0) ⊢ IsNilpotent ((constantCoeff σ α) f)
σ : Type u_2 α : Type u_1 inst✝⁴ : DecidableEq σ inst✝³ : TopologicalSpace α inst✝² : CommRing α inst✝¹ : TopologicalRing α inst✝ : DiscreteTopology α f : MvPowerSeries σ α h : Filter.Tendsto (fun n => f ^ n) Filter.atTop (nhds 0) ⊢ Filter.Tendsto (fun n => (constantCoeff σ α) (f ^ n)) Filter.atTop (nhds 0)
Please generate a tactic in lean4 to solve the state. STATE: σ : Type u_2 α : Type u_1 inst✝⁴ : DecidableEq σ inst✝³ : TopologicalSpace α inst✝² : CommRing α inst✝¹ : TopologicalRing α inst✝ : DiscreteTopology α f : MvPowerSeries σ α h : Filter.Tendsto (fun n => f ^ n) Filter.atTop (nhds 0) ⊢ IsNilpotent ((constantCoef...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/ForMathlib/MvPowerSeries/Topology.lean
MvPowerSeries.tendsto_pow_of_constantCoeff_nilpotent_iff
[231, 1]
[252, 48]
simp only [← @comp_apply _ α ℕ]
σ : Type u_2 α : Type u_1 inst✝⁴ : DecidableEq σ inst✝³ : TopologicalSpace α inst✝² : CommRing α inst✝¹ : TopologicalRing α inst✝ : DiscreteTopology α f : MvPowerSeries σ α h : Filter.Tendsto (fun n => f ^ n) Filter.atTop (nhds 0) ⊢ Filter.Tendsto (fun n => (constantCoeff σ α) (f ^ n)) Filter.atTop (nhds 0)
σ : Type u_2 α : Type u_1 inst✝⁴ : DecidableEq σ inst✝³ : TopologicalSpace α inst✝² : CommRing α inst✝¹ : TopologicalRing α inst✝ : DiscreteTopology α f : MvPowerSeries σ α h : Filter.Tendsto (fun n => f ^ n) Filter.atTop (nhds 0) ⊢ Filter.Tendsto (fun n => (⇑(constantCoeff σ α) ∘ HPow.hPow f) n) Filter.atTop (nhds 0)
Please generate a tactic in lean4 to solve the state. STATE: σ : Type u_2 α : Type u_1 inst✝⁴ : DecidableEq σ inst✝³ : TopologicalSpace α inst✝² : CommRing α inst✝¹ : TopologicalRing α inst✝ : DiscreteTopology α f : MvPowerSeries σ α h : Filter.Tendsto (fun n => f ^ n) Filter.atTop (nhds 0) ⊢ Filter.Tendsto (fun n => (...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/ForMathlib/MvPowerSeries/Topology.lean
MvPowerSeries.tendsto_pow_of_constantCoeff_nilpotent_iff
[231, 1]
[252, 48]
rw [← Filter.tendsto_map'_iff]
σ : Type u_2 α : Type u_1 inst✝⁴ : DecidableEq σ inst✝³ : TopologicalSpace α inst✝² : CommRing α inst✝¹ : TopologicalRing α inst✝ : DiscreteTopology α f : MvPowerSeries σ α h : Filter.Tendsto (fun n => f ^ n) Filter.atTop (nhds 0) ⊢ Filter.Tendsto (fun n => (⇑(constantCoeff σ α) ∘ HPow.hPow f) n) Filter.atTop (nhds 0)
σ : Type u_2 α : Type u_1 inst✝⁴ : DecidableEq σ inst✝³ : TopologicalSpace α inst✝² : CommRing α inst✝¹ : TopologicalRing α inst✝ : DiscreteTopology α f : MvPowerSeries σ α h : Filter.Tendsto (fun n => f ^ n) Filter.atTop (nhds 0) ⊢ Filter.Tendsto (⇑(constantCoeff σ α)) (Filter.map (HPow.hPow f) Filter.atTop) (nhds 0)
Please generate a tactic in lean4 to solve the state. STATE: σ : Type u_2 α : Type u_1 inst✝⁴ : DecidableEq σ inst✝³ : TopologicalSpace α inst✝² : CommRing α inst✝¹ : TopologicalRing α inst✝ : DiscreteTopology α f : MvPowerSeries σ α h : Filter.Tendsto (fun n => f ^ n) Filter.atTop (nhds 0) ⊢ Filter.Tendsto (fun n => (...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/ForMathlib/MvPowerSeries/Topology.lean
MvPowerSeries.tendsto_pow_of_constantCoeff_nilpotent_iff
[231, 1]
[252, 48]
simp only [Filter.Tendsto, Filter.map_le_iff_le_comap] at h ⊢
σ : Type u_2 α : Type u_1 inst✝⁴ : DecidableEq σ inst✝³ : TopologicalSpace α inst✝² : CommRing α inst✝¹ : TopologicalRing α inst✝ : DiscreteTopology α f : MvPowerSeries σ α h : Filter.Tendsto (fun n => f ^ n) Filter.atTop (nhds 0) ⊢ Filter.Tendsto (⇑(constantCoeff σ α)) (Filter.map (HPow.hPow f) Filter.atTop) (nhds 0)
σ : Type u_2 α : Type u_1 inst✝⁴ : DecidableEq σ inst✝³ : TopologicalSpace α inst✝² : CommRing α inst✝¹ : TopologicalRing α inst✝ : DiscreteTopology α f : MvPowerSeries σ α h : Filter.atTop ≤ Filter.comap (fun n => f ^ n) (nhds 0) ⊢ Filter.atTop ≤ Filter.comap (HPow.hPow f) (Filter.comap (⇑(constantCoeff σ α)) (nhds 0)...
Please generate a tactic in lean4 to solve the state. STATE: σ : Type u_2 α : Type u_1 inst✝⁴ : DecidableEq σ inst✝³ : TopologicalSpace α inst✝² : CommRing α inst✝¹ : TopologicalRing α inst✝ : DiscreteTopology α f : MvPowerSeries σ α h : Filter.Tendsto (fun n => f ^ n) Filter.atTop (nhds 0) ⊢ Filter.Tendsto (⇑(constant...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/ForMathlib/MvPowerSeries/Topology.lean
MvPowerSeries.tendsto_pow_of_constantCoeff_nilpotent_iff
[231, 1]
[252, 48]
apply le_trans h
σ : Type u_2 α : Type u_1 inst✝⁴ : DecidableEq σ inst✝³ : TopologicalSpace α inst✝² : CommRing α inst✝¹ : TopologicalRing α inst✝ : DiscreteTopology α f : MvPowerSeries σ α h : Filter.atTop ≤ Filter.comap (fun n => f ^ n) (nhds 0) ⊢ Filter.atTop ≤ Filter.comap (HPow.hPow f) (Filter.comap (⇑(constantCoeff σ α)) (nhds 0)...
σ : Type u_2 α : Type u_1 inst✝⁴ : DecidableEq σ inst✝³ : TopologicalSpace α inst✝² : CommRing α inst✝¹ : TopologicalRing α inst✝ : DiscreteTopology α f : MvPowerSeries σ α h : Filter.atTop ≤ Filter.comap (fun n => f ^ n) (nhds 0) ⊢ Filter.comap (fun n => f ^ n) (nhds 0) ≤ Filter.comap (HPow.hPow f) (Filter.comap (⇑(co...
Please generate a tactic in lean4 to solve the state. STATE: σ : Type u_2 α : Type u_1 inst✝⁴ : DecidableEq σ inst✝³ : TopologicalSpace α inst✝² : CommRing α inst✝¹ : TopologicalRing α inst✝ : DiscreteTopology α f : MvPowerSeries σ α h : Filter.atTop ≤ Filter.comap (fun n => f ^ n) (nhds 0) ⊢ Filter.atTop ≤ Filter.coma...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/ForMathlib/MvPowerSeries/Topology.lean
MvPowerSeries.tendsto_pow_of_constantCoeff_nilpotent_iff
[231, 1]
[252, 48]
apply Filter.comap_mono
σ : Type u_2 α : Type u_1 inst✝⁴ : DecidableEq σ inst✝³ : TopologicalSpace α inst✝² : CommRing α inst✝¹ : TopologicalRing α inst✝ : DiscreteTopology α f : MvPowerSeries σ α h : Filter.atTop ≤ Filter.comap (fun n => f ^ n) (nhds 0) ⊢ Filter.comap (fun n => f ^ n) (nhds 0) ≤ Filter.comap (HPow.hPow f) (Filter.comap (⇑(co...
case a σ : Type u_2 α : Type u_1 inst✝⁴ : DecidableEq σ inst✝³ : TopologicalSpace α inst✝² : CommRing α inst✝¹ : TopologicalRing α inst✝ : DiscreteTopology α f : MvPowerSeries σ α h : Filter.atTop ≤ Filter.comap (fun n => f ^ n) (nhds 0) ⊢ nhds 0 ≤ Filter.comap (⇑(constantCoeff σ α)) (nhds 0)
Please generate a tactic in lean4 to solve the state. STATE: σ : Type u_2 α : Type u_1 inst✝⁴ : DecidableEq σ inst✝³ : TopologicalSpace α inst✝² : CommRing α inst✝¹ : TopologicalRing α inst✝ : DiscreteTopology α f : MvPowerSeries σ α h : Filter.atTop ≤ Filter.comap (fun n => f ^ n) (nhds 0) ⊢ Filter.comap (fun n => f ^...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/ForMathlib/MvPowerSeries/Topology.lean
MvPowerSeries.tendsto_pow_of_constantCoeff_nilpotent_iff
[231, 1]
[252, 48]
rw [← Filter.map_le_iff_le_comap]
case a σ : Type u_2 α : Type u_1 inst✝⁴ : DecidableEq σ inst✝³ : TopologicalSpace α inst✝² : CommRing α inst✝¹ : TopologicalRing α inst✝ : DiscreteTopology α f : MvPowerSeries σ α h : Filter.atTop ≤ Filter.comap (fun n => f ^ n) (nhds 0) ⊢ nhds 0 ≤ Filter.comap (⇑(constantCoeff σ α)) (nhds 0)
case a σ : Type u_2 α : Type u_1 inst✝⁴ : DecidableEq σ inst✝³ : TopologicalSpace α inst✝² : CommRing α inst✝¹ : TopologicalRing α inst✝ : DiscreteTopology α f : MvPowerSeries σ α h : Filter.atTop ≤ Filter.comap (fun n => f ^ n) (nhds 0) ⊢ Filter.map (⇑(constantCoeff σ α)) (nhds 0) ≤ nhds 0
Please generate a tactic in lean4 to solve the state. STATE: case a σ : Type u_2 α : Type u_1 inst✝⁴ : DecidableEq σ inst✝³ : TopologicalSpace α inst✝² : CommRing α inst✝¹ : TopologicalRing α inst✝ : DiscreteTopology α f : MvPowerSeries σ α h : Filter.atTop ≤ Filter.comap (fun n => f ^ n) (nhds 0) ⊢ nhds 0 ≤ Filter.com...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/ForMathlib/MvPowerSeries/Topology.lean
MvPowerSeries.tendsto_pow_of_constantCoeff_nilpotent_iff
[231, 1]
[252, 48]
apply continuous_constantCoeff.continuousAt
case a σ : Type u_2 α : Type u_1 inst✝⁴ : DecidableEq σ inst✝³ : TopologicalSpace α inst✝² : CommRing α inst✝¹ : TopologicalRing α inst✝ : DiscreteTopology α f : MvPowerSeries σ α h : Filter.atTop ≤ Filter.comap (fun n => f ^ n) (nhds 0) ⊢ Filter.map (⇑(constantCoeff σ α)) (nhds 0) ≤ nhds 0
no goals
Please generate a tactic in lean4 to solve the state. STATE: case a σ : Type u_2 α : Type u_1 inst✝⁴ : DecidableEq σ inst✝³ : TopologicalSpace α inst✝² : CommRing α inst✝¹ : TopologicalRing α inst✝ : DiscreteTopology α f : MvPowerSeries σ α h : Filter.atTop ≤ Filter.comap (fun n => f ^ n) (nhds 0) ⊢ Filter.map (⇑(const...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/ForMathlib/MvPowerSeries/Topology.lean
MvPowerSeries.tendsto_pow_of_constantCoeff_nilpotent_iff
[231, 1]
[252, 48]
simp only [Filter.tendsto_def] at this
σ : Type u_2 α : Type u_1 inst✝⁴ : DecidableEq σ inst✝³ : TopologicalSpace α inst✝² : CommRing α inst✝¹ : TopologicalRing α inst✝ : DiscreteTopology α f : MvPowerSeries σ α h : Filter.Tendsto (fun n => f ^ n) Filter.atTop (nhds 0) this : Filter.Tendsto (fun n => (constantCoeff σ α) (f ^ n)) Filter.atTop (nhds 0) ⊢ IsNi...
σ : Type u_2 α : Type u_1 inst✝⁴ : DecidableEq σ inst✝³ : TopologicalSpace α inst✝² : CommRing α inst✝¹ : TopologicalRing α inst✝ : DiscreteTopology α f : MvPowerSeries σ α h : Filter.Tendsto (fun n => f ^ n) Filter.atTop (nhds 0) this : ∀ s ∈ nhds 0, (fun n => (constantCoeff σ α) (f ^ n)) ⁻¹' s ∈ Filter.atTop ⊢ IsNilp...
Please generate a tactic in lean4 to solve the state. STATE: σ : Type u_2 α : Type u_1 inst✝⁴ : DecidableEq σ inst✝³ : TopologicalSpace α inst✝² : CommRing α inst✝¹ : TopologicalRing α inst✝ : DiscreteTopology α f : MvPowerSeries σ α h : Filter.Tendsto (fun n => f ^ n) Filter.atTop (nhds 0) this : Filter.Tendsto (fun n...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/ForMathlib/MvPowerSeries/Topology.lean
MvPowerSeries.tendsto_pow_of_constantCoeff_nilpotent_iff
[231, 1]
[252, 48]
specialize this {0} _
σ : Type u_2 α : Type u_1 inst✝⁴ : DecidableEq σ inst✝³ : TopologicalSpace α inst✝² : CommRing α inst✝¹ : TopologicalRing α inst✝ : DiscreteTopology α f : MvPowerSeries σ α h : Filter.Tendsto (fun n => f ^ n) Filter.atTop (nhds 0) this : ∀ s ∈ nhds 0, (fun n => (constantCoeff σ α) (f ^ n)) ⁻¹' s ∈ Filter.atTop ⊢ IsNilp...
σ : Type u_2 α : Type u_1 inst✝⁴ : DecidableEq σ inst✝³ : TopologicalSpace α inst✝² : CommRing α inst✝¹ : TopologicalRing α inst✝ : DiscreteTopology α f : MvPowerSeries σ α h : Filter.Tendsto (fun n => f ^ n) Filter.atTop (nhds 0) this : ∀ s ∈ nhds 0, (fun n => (constantCoeff σ α) (f ^ n)) ⁻¹' s ∈ Filter.atTop ⊢ {0} ∈ ...
Please generate a tactic in lean4 to solve the state. STATE: σ : Type u_2 α : Type u_1 inst✝⁴ : DecidableEq σ inst✝³ : TopologicalSpace α inst✝² : CommRing α inst✝¹ : TopologicalRing α inst✝ : DiscreteTopology α f : MvPowerSeries σ α h : Filter.Tendsto (fun n => f ^ n) Filter.atTop (nhds 0) this : ∀ s ∈ nhds 0, (fun n ...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/ForMathlib/MvPowerSeries/Topology.lean
MvPowerSeries.tendsto_pow_of_constantCoeff_nilpotent_iff
[231, 1]
[252, 48]
suffices ∀ x : α, {x} ∈ nhds x by exact this 0
σ : Type u_2 α : Type u_1 inst✝⁴ : DecidableEq σ inst✝³ : TopologicalSpace α inst✝² : CommRing α inst✝¹ : TopologicalRing α inst✝ : DiscreteTopology α f : MvPowerSeries σ α h : Filter.Tendsto (fun n => f ^ n) Filter.atTop (nhds 0) this : ∀ s ∈ nhds 0, (fun n => (constantCoeff σ α) (f ^ n)) ⁻¹' s ∈ Filter.atTop ⊢ {0} ∈ ...
σ : Type u_2 α : Type u_1 inst✝⁴ : DecidableEq σ inst✝³ : TopologicalSpace α inst✝² : CommRing α inst✝¹ : TopologicalRing α inst✝ : DiscreteTopology α f : MvPowerSeries σ α h : Filter.Tendsto (fun n => f ^ n) Filter.atTop (nhds 0) this : ∀ s ∈ nhds 0, (fun n => (constantCoeff σ α) (f ^ n)) ⁻¹' s ∈ Filter.atTop ⊢ ∀ (x :...
Please generate a tactic in lean4 to solve the state. STATE: σ : Type u_2 α : Type u_1 inst✝⁴ : DecidableEq σ inst✝³ : TopologicalSpace α inst✝² : CommRing α inst✝¹ : TopologicalRing α inst✝ : DiscreteTopology α f : MvPowerSeries σ α h : Filter.Tendsto (fun n => f ^ n) Filter.atTop (nhds 0) this : ∀ s ∈ nhds 0, (fun n ...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/ForMathlib/MvPowerSeries/Topology.lean
MvPowerSeries.tendsto_pow_of_constantCoeff_nilpotent_iff
[231, 1]
[252, 48]
rw [← discreteTopology_iff_singleton_mem_nhds]
σ : Type u_2 α : Type u_1 inst✝⁴ : DecidableEq σ inst✝³ : TopologicalSpace α inst✝² : CommRing α inst✝¹ : TopologicalRing α inst✝ : DiscreteTopology α f : MvPowerSeries σ α h : Filter.Tendsto (fun n => f ^ n) Filter.atTop (nhds 0) this : ∀ s ∈ nhds 0, (fun n => (constantCoeff σ α) (f ^ n)) ⁻¹' s ∈ Filter.atTop ⊢ ∀ (x :...
σ : Type u_2 α : Type u_1 inst✝⁴ : DecidableEq σ inst✝³ : TopologicalSpace α inst✝² : CommRing α inst✝¹ : TopologicalRing α inst✝ : DiscreteTopology α f : MvPowerSeries σ α h : Filter.Tendsto (fun n => f ^ n) Filter.atTop (nhds 0) this : ∀ s ∈ nhds 0, (fun n => (constantCoeff σ α) (f ^ n)) ⁻¹' s ∈ Filter.atTop ⊢ Discre...
Please generate a tactic in lean4 to solve the state. STATE: σ : Type u_2 α : Type u_1 inst✝⁴ : DecidableEq σ inst✝³ : TopologicalSpace α inst✝² : CommRing α inst✝¹ : TopologicalRing α inst✝ : DiscreteTopology α f : MvPowerSeries σ α h : Filter.Tendsto (fun n => f ^ n) Filter.atTop (nhds 0) this : ∀ s ∈ nhds 0, (fun n ...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/ForMathlib/MvPowerSeries/Topology.lean
MvPowerSeries.tendsto_pow_of_constantCoeff_nilpotent_iff
[231, 1]
[252, 48]
infer_instance
σ : Type u_2 α : Type u_1 inst✝⁴ : DecidableEq σ inst✝³ : TopologicalSpace α inst✝² : CommRing α inst✝¹ : TopologicalRing α inst✝ : DiscreteTopology α f : MvPowerSeries σ α h : Filter.Tendsto (fun n => f ^ n) Filter.atTop (nhds 0) this : ∀ s ∈ nhds 0, (fun n => (constantCoeff σ α) (f ^ n)) ⁻¹' s ∈ Filter.atTop ⊢ Discre...
σ : Type u_2 α : Type u_1 inst✝⁴ : DecidableEq σ inst✝³ : TopologicalSpace α inst✝² : CommRing α inst✝¹ : TopologicalRing α inst✝ : DiscreteTopology α f : MvPowerSeries σ α h : Filter.Tendsto (fun n => f ^ n) Filter.atTop (nhds 0) this : (fun n => (constantCoeff σ α) (f ^ n)) ⁻¹' {0} ∈ Filter.atTop ⊢ IsNilpotent ((cons...
Please generate a tactic in lean4 to solve the state. STATE: σ : Type u_2 α : Type u_1 inst✝⁴ : DecidableEq σ inst✝³ : TopologicalSpace α inst✝² : CommRing α inst✝¹ : TopologicalRing α inst✝ : DiscreteTopology α f : MvPowerSeries σ α h : Filter.Tendsto (fun n => f ^ n) Filter.atTop (nhds 0) this : ∀ s ∈ nhds 0, (fun n ...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/ForMathlib/MvPowerSeries/Topology.lean
MvPowerSeries.tendsto_pow_of_constantCoeff_nilpotent_iff
[231, 1]
[252, 48]
simp only [map_pow, Filter.mem_atTop_sets, ge_iff_le, Set.mem_preimage, Set.mem_singleton_iff] at this
σ : Type u_2 α : Type u_1 inst✝⁴ : DecidableEq σ inst✝³ : TopologicalSpace α inst✝² : CommRing α inst✝¹ : TopologicalRing α inst✝ : DiscreteTopology α f : MvPowerSeries σ α h : Filter.Tendsto (fun n => f ^ n) Filter.atTop (nhds 0) this : (fun n => (constantCoeff σ α) (f ^ n)) ⁻¹' {0} ∈ Filter.atTop ⊢ IsNilpotent ((cons...
σ : Type u_2 α : Type u_1 inst✝⁴ : DecidableEq σ inst✝³ : TopologicalSpace α inst✝² : CommRing α inst✝¹ : TopologicalRing α inst✝ : DiscreteTopology α f : MvPowerSeries σ α h : Filter.Tendsto (fun n => f ^ n) Filter.atTop (nhds 0) this : ∃ a, ∀ (b : ℕ), a ≤ b → (constantCoeff σ α) f ^ b = 0 ⊢ IsNilpotent ((constantCoef...
Please generate a tactic in lean4 to solve the state. STATE: σ : Type u_2 α : Type u_1 inst✝⁴ : DecidableEq σ inst✝³ : TopologicalSpace α inst✝² : CommRing α inst✝¹ : TopologicalRing α inst✝ : DiscreteTopology α f : MvPowerSeries σ α h : Filter.Tendsto (fun n => f ^ n) Filter.atTop (nhds 0) this : (fun n => (constantCo...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/ForMathlib/MvPowerSeries/Topology.lean
MvPowerSeries.tendsto_pow_of_constantCoeff_nilpotent_iff
[231, 1]
[252, 48]
obtain ⟨m, hm⟩ := this
σ : Type u_2 α : Type u_1 inst✝⁴ : DecidableEq σ inst✝³ : TopologicalSpace α inst✝² : CommRing α inst✝¹ : TopologicalRing α inst✝ : DiscreteTopology α f : MvPowerSeries σ α h : Filter.Tendsto (fun n => f ^ n) Filter.atTop (nhds 0) this : ∃ a, ∀ (b : ℕ), a ≤ b → (constantCoeff σ α) f ^ b = 0 ⊢ IsNilpotent ((constantCoef...
case intro σ : Type u_2 α : Type u_1 inst✝⁴ : DecidableEq σ inst✝³ : TopologicalSpace α inst✝² : CommRing α inst✝¹ : TopologicalRing α inst✝ : DiscreteTopology α f : MvPowerSeries σ α h : Filter.Tendsto (fun n => f ^ n) Filter.atTop (nhds 0) m : ℕ hm : ∀ (b : ℕ), m ≤ b → (constantCoeff σ α) f ^ b = 0 ⊢ IsNilpotent ((co...
Please generate a tactic in lean4 to solve the state. STATE: σ : Type u_2 α : Type u_1 inst✝⁴ : DecidableEq σ inst✝³ : TopologicalSpace α inst✝² : CommRing α inst✝¹ : TopologicalRing α inst✝ : DiscreteTopology α f : MvPowerSeries σ α h : Filter.Tendsto (fun n => f ^ n) Filter.atTop (nhds 0) this : ∃ a, ∀ (b : ℕ), a ≤ b...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/ForMathlib/MvPowerSeries/Topology.lean
MvPowerSeries.tendsto_pow_of_constantCoeff_nilpotent_iff
[231, 1]
[252, 48]
use m
case intro σ : Type u_2 α : Type u_1 inst✝⁴ : DecidableEq σ inst✝³ : TopologicalSpace α inst✝² : CommRing α inst✝¹ : TopologicalRing α inst✝ : DiscreteTopology α f : MvPowerSeries σ α h : Filter.Tendsto (fun n => f ^ n) Filter.atTop (nhds 0) m : ℕ hm : ∀ (b : ℕ), m ≤ b → (constantCoeff σ α) f ^ b = 0 ⊢ IsNilpotent ((co...
case h σ : Type u_2 α : Type u_1 inst✝⁴ : DecidableEq σ inst✝³ : TopologicalSpace α inst✝² : CommRing α inst✝¹ : TopologicalRing α inst✝ : DiscreteTopology α f : MvPowerSeries σ α h : Filter.Tendsto (fun n => f ^ n) Filter.atTop (nhds 0) m : ℕ hm : ∀ (b : ℕ), m ≤ b → (constantCoeff σ α) f ^ b = 0 ⊢ (constantCoeff σ α) ...
Please generate a tactic in lean4 to solve the state. STATE: case intro σ : Type u_2 α : Type u_1 inst✝⁴ : DecidableEq σ inst✝³ : TopologicalSpace α inst✝² : CommRing α inst✝¹ : TopologicalRing α inst✝ : DiscreteTopology α f : MvPowerSeries σ α h : Filter.Tendsto (fun n => f ^ n) Filter.atTop (nhds 0) m : ℕ hm : ∀ (b :...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/ForMathlib/MvPowerSeries/Topology.lean
MvPowerSeries.tendsto_pow_of_constantCoeff_nilpotent_iff
[231, 1]
[252, 48]
apply hm m (le_refl m)
case h σ : Type u_2 α : Type u_1 inst✝⁴ : DecidableEq σ inst✝³ : TopologicalSpace α inst✝² : CommRing α inst✝¹ : TopologicalRing α inst✝ : DiscreteTopology α f : MvPowerSeries σ α h : Filter.Tendsto (fun n => f ^ n) Filter.atTop (nhds 0) m : ℕ hm : ∀ (b : ℕ), m ≤ b → (constantCoeff σ α) f ^ b = 0 ⊢ (constantCoeff σ α) ...
no goals
Please generate a tactic in lean4 to solve the state. STATE: case h σ : Type u_2 α : Type u_1 inst✝⁴ : DecidableEq σ inst✝³ : TopologicalSpace α inst✝² : CommRing α inst✝¹ : TopologicalRing α inst✝ : DiscreteTopology α f : MvPowerSeries σ α h : Filter.Tendsto (fun n => f ^ n) Filter.atTop (nhds 0) m : ℕ hm : ∀ (b : ℕ),...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/ForMathlib/MvPowerSeries/Topology.lean
MvPowerSeries.tendsto_pow_of_constantCoeff_nilpotent_iff
[231, 1]
[252, 48]
exact this 0
σ : Type u_2 α : Type u_1 inst✝⁴ : DecidableEq σ inst✝³ : TopologicalSpace α inst✝² : CommRing α inst✝¹ : TopologicalRing α inst✝ : DiscreteTopology α f : MvPowerSeries σ α h : Filter.Tendsto (fun n => f ^ n) Filter.atTop (nhds 0) this✝ : ∀ s ∈ nhds 0, (fun n => (constantCoeff σ α) (f ^ n)) ⁻¹' s ∈ Filter.atTop this : ...
no goals
Please generate a tactic in lean4 to solve the state. STATE: σ : Type u_2 α : Type u_1 inst✝⁴ : DecidableEq σ inst✝³ : TopologicalSpace α inst✝² : CommRing α inst✝¹ : TopologicalRing α inst✝ : DiscreteTopology α f : MvPowerSeries σ α h : Filter.Tendsto (fun n => f ^ n) Filter.atTop (nhds 0) this✝ : ∀ s ∈ nhds 0, (fun n...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/ForMathlib/MvPowerSeries/Topology.lean
MvPowerSeries.hasSum_of_monomials_self
[265, 1]
[275, 27]
rw [Pi.hasSum]
σ : Type u_2 α : Type u_1 inst✝¹ : Semiring α inst✝ : TopologicalSpace α f : MvPowerSeries σ α ⊢ HasSum (fun d => (monomial α d) ((coeff α d) f)) f
σ : Type u_2 α : Type u_1 inst✝¹ : Semiring α inst✝ : TopologicalSpace α f : MvPowerSeries σ α ⊢ ∀ (x : σ →₀ ℕ), HasSum (fun i => (monomial α i) ((coeff α i) f) x) (f x)
Please generate a tactic in lean4 to solve the state. STATE: σ : Type u_2 α : Type u_1 inst✝¹ : Semiring α inst✝ : TopologicalSpace α f : MvPowerSeries σ α ⊢ HasSum (fun d => (monomial α d) ((coeff α d) f)) f TACTIC:
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/ForMathlib/MvPowerSeries/Topology.lean
MvPowerSeries.hasSum_of_monomials_self
[265, 1]
[275, 27]
intro d
σ : Type u_2 α : Type u_1 inst✝¹ : Semiring α inst✝ : TopologicalSpace α f : MvPowerSeries σ α ⊢ ∀ (x : σ →₀ ℕ), HasSum (fun i => (monomial α i) ((coeff α i) f) x) (f x)
σ : Type u_2 α : Type u_1 inst✝¹ : Semiring α inst✝ : TopologicalSpace α f : MvPowerSeries σ α d : σ →₀ ℕ ⊢ HasSum (fun i => (monomial α i) ((coeff α i) f) d) (f d)
Please generate a tactic in lean4 to solve the state. STATE: σ : Type u_2 α : Type u_1 inst✝¹ : Semiring α inst✝ : TopologicalSpace α f : MvPowerSeries σ α ⊢ ∀ (x : σ →₀ ℕ), HasSum (fun i => (monomial α i) ((coeff α i) f) x) (f x) TACTIC:
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/ForMathlib/MvPowerSeries/Topology.lean
MvPowerSeries.hasSum_of_monomials_self
[265, 1]
[275, 27]
have hd : ∀ (d' : σ →₀ ℕ), d' ≠ d → (monomial α d') ((coeff α d') f) d = 0 := by intro d' h change coeff α d ((monomial α d') ((coeff α d') f)) = 0 rw [coeff_monomial_ne (Ne.symm h)]
σ : Type u_2 α : Type u_1 inst✝¹ : Semiring α inst✝ : TopologicalSpace α f : MvPowerSeries σ α d : σ →₀ ℕ ⊢ HasSum (fun i => (monomial α i) ((coeff α i) f) d) (f d)
σ : Type u_2 α : Type u_1 inst✝¹ : Semiring α inst✝ : TopologicalSpace α f : MvPowerSeries σ α d : σ →₀ ℕ hd : ∀ (d' : σ →₀ ℕ), d' ≠ d → (monomial α d') ((coeff α d') f) d = 0 ⊢ HasSum (fun i => (monomial α i) ((coeff α i) f) d) (f d)
Please generate a tactic in lean4 to solve the state. STATE: σ : Type u_2 α : Type u_1 inst✝¹ : Semiring α inst✝ : TopologicalSpace α f : MvPowerSeries σ α d : σ →₀ ℕ ⊢ HasSum (fun i => (monomial α i) ((coeff α i) f) d) (f d) TACTIC:
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/ForMathlib/MvPowerSeries/Topology.lean
MvPowerSeries.hasSum_of_monomials_self
[265, 1]
[275, 27]
convert hasSum_single d hd using 1
σ : Type u_2 α : Type u_1 inst✝¹ : Semiring α inst✝ : TopologicalSpace α f : MvPowerSeries σ α d : σ →₀ ℕ hd : ∀ (d' : σ →₀ ℕ), d' ≠ d → (monomial α d') ((coeff α d') f) d = 0 ⊢ HasSum (fun i => (monomial α i) ((coeff α i) f) d) (f d)
case h.e'_6 σ : Type u_2 α : Type u_1 inst✝¹ : Semiring α inst✝ : TopologicalSpace α f : MvPowerSeries σ α d : σ →₀ ℕ hd : ∀ (d' : σ →₀ ℕ), d' ≠ d → (monomial α d') ((coeff α d') f) d = 0 ⊢ f d = (monomial α d) ((coeff α d) f) d
Please generate a tactic in lean4 to solve the state. STATE: σ : Type u_2 α : Type u_1 inst✝¹ : Semiring α inst✝ : TopologicalSpace α f : MvPowerSeries σ α d : σ →₀ ℕ hd : ∀ (d' : σ →₀ ℕ), d' ≠ d → (monomial α d') ((coeff α d') f) d = 0 ⊢ HasSum (fun i => (monomial α i) ((coeff α i) f) d) (f d) TACTIC:
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/ForMathlib/MvPowerSeries/Topology.lean
MvPowerSeries.hasSum_of_monomials_self
[265, 1]
[275, 27]
intro d' h
σ : Type u_2 α : Type u_1 inst✝¹ : Semiring α inst✝ : TopologicalSpace α f : MvPowerSeries σ α d : σ →₀ ℕ ⊢ ∀ (d' : σ →₀ ℕ), d' ≠ d → (monomial α d') ((coeff α d') f) d = 0
σ : Type u_2 α : Type u_1 inst✝¹ : Semiring α inst✝ : TopologicalSpace α f : MvPowerSeries σ α d d' : σ →₀ ℕ h : d' ≠ d ⊢ (monomial α d') ((coeff α d') f) d = 0
Please generate a tactic in lean4 to solve the state. STATE: σ : Type u_2 α : Type u_1 inst✝¹ : Semiring α inst✝ : TopologicalSpace α f : MvPowerSeries σ α d : σ →₀ ℕ ⊢ ∀ (d' : σ →₀ ℕ), d' ≠ d → (monomial α d') ((coeff α d') f) d = 0 TACTIC:
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/ForMathlib/MvPowerSeries/Topology.lean
MvPowerSeries.hasSum_of_monomials_self
[265, 1]
[275, 27]
change coeff α d ((monomial α d') ((coeff α d') f)) = 0
σ : Type u_2 α : Type u_1 inst✝¹ : Semiring α inst✝ : TopologicalSpace α f : MvPowerSeries σ α d d' : σ →₀ ℕ h : d' ≠ d ⊢ (monomial α d') ((coeff α d') f) d = 0
σ : Type u_2 α : Type u_1 inst✝¹ : Semiring α inst✝ : TopologicalSpace α f : MvPowerSeries σ α d d' : σ →₀ ℕ h : d' ≠ d ⊢ (coeff α d) ((monomial α d') ((coeff α d') f)) = 0
Please generate a tactic in lean4 to solve the state. STATE: σ : Type u_2 α : Type u_1 inst✝¹ : Semiring α inst✝ : TopologicalSpace α f : MvPowerSeries σ α d d' : σ →₀ ℕ h : d' ≠ d ⊢ (monomial α d') ((coeff α d') f) d = 0 TACTIC:
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/ForMathlib/MvPowerSeries/Topology.lean
MvPowerSeries.hasSum_of_monomials_self
[265, 1]
[275, 27]
rw [coeff_monomial_ne (Ne.symm h)]
σ : Type u_2 α : Type u_1 inst✝¹ : Semiring α inst✝ : TopologicalSpace α f : MvPowerSeries σ α d d' : σ →₀ ℕ h : d' ≠ d ⊢ (coeff α d) ((monomial α d') ((coeff α d') f)) = 0
no goals
Please generate a tactic in lean4 to solve the state. STATE: σ : Type u_2 α : Type u_1 inst✝¹ : Semiring α inst✝ : TopologicalSpace α f : MvPowerSeries σ α d d' : σ →₀ ℕ h : d' ≠ d ⊢ (coeff α d) ((monomial α d') ((coeff α d') f)) = 0 TACTIC:
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/ForMathlib/MvPowerSeries/Topology.lean
MvPowerSeries.hasSum_of_monomials_self
[265, 1]
[275, 27]
rw [← coeff_apply f d, ← coeff_apply (monomial α d (coeff α d f)) d, coeff_apply, coeff_monomial_same]
case h.e'_6 σ : Type u_2 α : Type u_1 inst✝¹ : Semiring α inst✝ : TopologicalSpace α f : MvPowerSeries σ α d : σ →₀ ℕ hd : ∀ (d' : σ →₀ ℕ), d' ≠ d → (monomial α d') ((coeff α d') f) d = 0 ⊢ f d = (monomial α d) ((coeff α d) f) d
no goals
Please generate a tactic in lean4 to solve the state. STATE: case h.e'_6 σ : Type u_2 α : Type u_1 inst✝¹ : Semiring α inst✝ : TopologicalSpace α f : MvPowerSeries σ α d : σ →₀ ℕ hd : ∀ (d' : σ →₀ ℕ), d' ≠ d → (monomial α d') ((coeff α d') f) d = 0 ⊢ f d = (monomial α d) ((coeff α d) f) d TACTIC:
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/ForMathlib/MvPowerSeries/Topology.lean
MvPowerSeries.hasSum_of_homogeneous_components_self
[283, 1]
[294, 42]
rw [Pi.hasSum]
σ : Type u_2 α : Type u_1 inst✝¹ : Semiring α inst✝ : TopologicalSpace α w : σ → ℕ f : MvPowerSeries σ α ⊢ HasSum (fun p => (homogeneousComponent w p) f) f
σ : Type u_2 α : Type u_1 inst✝¹ : Semiring α inst✝ : TopologicalSpace α w : σ → ℕ f : MvPowerSeries σ α ⊢ ∀ (x : σ →₀ ℕ), HasSum (fun i => (homogeneousComponent w i) f x) (f x)
Please generate a tactic in lean4 to solve the state. STATE: σ : Type u_2 α : Type u_1 inst✝¹ : Semiring α inst✝ : TopologicalSpace α w : σ → ℕ f : MvPowerSeries σ α ⊢ HasSum (fun p => (homogeneousComponent w p) f) f TACTIC:
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/ForMathlib/MvPowerSeries/Topology.lean
MvPowerSeries.hasSum_of_homogeneous_components_self
[283, 1]
[294, 42]
intro d
σ : Type u_2 α : Type u_1 inst✝¹ : Semiring α inst✝ : TopologicalSpace α w : σ → ℕ f : MvPowerSeries σ α ⊢ ∀ (x : σ →₀ ℕ), HasSum (fun i => (homogeneousComponent w i) f x) (f x)
σ : Type u_2 α : Type u_1 inst✝¹ : Semiring α inst✝ : TopologicalSpace α w : σ → ℕ f : MvPowerSeries σ α d : σ →₀ ℕ ⊢ HasSum (fun i => (homogeneousComponent w i) f d) (f d)
Please generate a tactic in lean4 to solve the state. STATE: σ : Type u_2 α : Type u_1 inst✝¹ : Semiring α inst✝ : TopologicalSpace α w : σ → ℕ f : MvPowerSeries σ α ⊢ ∀ (x : σ →₀ ℕ), HasSum (fun i => (homogeneousComponent w i) f x) (f x) TACTIC:
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/ForMathlib/MvPowerSeries/Topology.lean
MvPowerSeries.hasSum_of_homogeneous_components_self
[283, 1]
[294, 42]
have hd : ∀ (b' : ℕ), b' ≠ (weight w) d → (homogeneousComponent w b') f d = 0 := by intro p h rw [← coeff_apply (homogeneousComponent w p f) d, coeff_homogeneousComponent, if_neg (Ne.symm h)]
σ : Type u_2 α : Type u_1 inst✝¹ : Semiring α inst✝ : TopologicalSpace α w : σ → ℕ f : MvPowerSeries σ α d : σ →₀ ℕ ⊢ HasSum (fun i => (homogeneousComponent w i) f d) (f d)
σ : Type u_2 α : Type u_1 inst✝¹ : Semiring α inst✝ : TopologicalSpace α w : σ → ℕ f : MvPowerSeries σ α d : σ →₀ ℕ hd : ∀ (b' : ℕ), b' ≠ (weight w) d → (homogeneousComponent w b') f d = 0 ⊢ HasSum (fun i => (homogeneousComponent w i) f d) (f d)
Please generate a tactic in lean4 to solve the state. STATE: σ : Type u_2 α : Type u_1 inst✝¹ : Semiring α inst✝ : TopologicalSpace α w : σ → ℕ f : MvPowerSeries σ α d : σ →₀ ℕ ⊢ HasSum (fun i => (homogeneousComponent w i) f d) (f d) TACTIC:
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/ForMathlib/MvPowerSeries/Topology.lean
MvPowerSeries.hasSum_of_homogeneous_components_self
[283, 1]
[294, 42]
convert hasSum_single (weight w d) hd using 1
σ : Type u_2 α : Type u_1 inst✝¹ : Semiring α inst✝ : TopologicalSpace α w : σ → ℕ f : MvPowerSeries σ α d : σ →₀ ℕ hd : ∀ (b' : ℕ), b' ≠ (weight w) d → (homogeneousComponent w b') f d = 0 ⊢ HasSum (fun i => (homogeneousComponent w i) f d) (f d)
case h.e'_6 σ : Type u_2 α : Type u_1 inst✝¹ : Semiring α inst✝ : TopologicalSpace α w : σ → ℕ f : MvPowerSeries σ α d : σ →₀ ℕ hd : ∀ (b' : ℕ), b' ≠ (weight w) d → (homogeneousComponent w b') f d = 0 ⊢ f d = (homogeneousComponent w ((weight w) d)) f d
Please generate a tactic in lean4 to solve the state. STATE: σ : Type u_2 α : Type u_1 inst✝¹ : Semiring α inst✝ : TopologicalSpace α w : σ → ℕ f : MvPowerSeries σ α d : σ →₀ ℕ hd : ∀ (b' : ℕ), b' ≠ (weight w) d → (homogeneousComponent w b') f d = 0 ⊢ HasSum (fun i => (homogeneousComponent w i) f d) (f d) TACTIC:
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/ForMathlib/MvPowerSeries/Topology.lean
MvPowerSeries.hasSum_of_homogeneous_components_self
[283, 1]
[294, 42]
intro p h
σ : Type u_2 α : Type u_1 inst✝¹ : Semiring α inst✝ : TopologicalSpace α w : σ → ℕ f : MvPowerSeries σ α d : σ →₀ ℕ ⊢ ∀ (b' : ℕ), b' ≠ (weight w) d → (homogeneousComponent w b') f d = 0
σ : Type u_2 α : Type u_1 inst✝¹ : Semiring α inst✝ : TopologicalSpace α w : σ → ℕ f : MvPowerSeries σ α d : σ →₀ ℕ p : ℕ h : p ≠ (weight w) d ⊢ (homogeneousComponent w p) f d = 0
Please generate a tactic in lean4 to solve the state. STATE: σ : Type u_2 α : Type u_1 inst✝¹ : Semiring α inst✝ : TopologicalSpace α w : σ → ℕ f : MvPowerSeries σ α d : σ →₀ ℕ ⊢ ∀ (b' : ℕ), b' ≠ (weight w) d → (homogeneousComponent w b') f d = 0 TACTIC:
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/ForMathlib/MvPowerSeries/Topology.lean
MvPowerSeries.hasSum_of_homogeneous_components_self
[283, 1]
[294, 42]
rw [← coeff_apply (homogeneousComponent w p f) d, coeff_homogeneousComponent, if_neg (Ne.symm h)]
σ : Type u_2 α : Type u_1 inst✝¹ : Semiring α inst✝ : TopologicalSpace α w : σ → ℕ f : MvPowerSeries σ α d : σ →₀ ℕ p : ℕ h : p ≠ (weight w) d ⊢ (homogeneousComponent w p) f d = 0
no goals
Please generate a tactic in lean4 to solve the state. STATE: σ : Type u_2 α : Type u_1 inst✝¹ : Semiring α inst✝ : TopologicalSpace α w : σ → ℕ f : MvPowerSeries σ α d : σ →₀ ℕ p : ℕ h : p ≠ (weight w) d ⊢ (homogeneousComponent w p) f d = 0 TACTIC:
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/ForMathlib/MvPowerSeries/Topology.lean
MvPowerSeries.hasSum_of_homogeneous_components_self
[283, 1]
[294, 42]
rw [← coeff_apply f d, ← coeff_apply (homogeneousComponent w (weight w d) f) d, coeff_homogeneousComponent]
case h.e'_6 σ : Type u_2 α : Type u_1 inst✝¹ : Semiring α inst✝ : TopologicalSpace α w : σ → ℕ f : MvPowerSeries σ α d : σ →₀ ℕ hd : ∀ (b' : ℕ), b' ≠ (weight w) d → (homogeneousComponent w b') f d = 0 ⊢ f d = (homogeneousComponent w ((weight w) d)) f d
case h.e'_6 σ : Type u_2 α : Type u_1 inst✝¹ : Semiring α inst✝ : TopologicalSpace α w : σ → ℕ f : MvPowerSeries σ α d : σ →₀ ℕ hd : ∀ (b' : ℕ), b' ≠ (weight w) d → (homogeneousComponent w b') f d = 0 ⊢ (coeff α d) f = if (weight w) d = (weight w) d then (coeff α d) f else 0
Please generate a tactic in lean4 to solve the state. STATE: case h.e'_6 σ : Type u_2 α : Type u_1 inst✝¹ : Semiring α inst✝ : TopologicalSpace α w : σ → ℕ f : MvPowerSeries σ α d : σ →₀ ℕ hd : ∀ (b' : ℕ), b' ≠ (weight w) d → (homogeneousComponent w b') f d = 0 ⊢ f d = (homogeneousComponent w ((weight w) d)) f d TACTIC...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/ForMathlib/MvPowerSeries/Topology.lean
MvPowerSeries.hasSum_of_homogeneous_components_self
[283, 1]
[294, 42]
simp only [eq_self_iff_true, if_true]
case h.e'_6 σ : Type u_2 α : Type u_1 inst✝¹ : Semiring α inst✝ : TopologicalSpace α w : σ → ℕ f : MvPowerSeries σ α d : σ →₀ ℕ hd : ∀ (b' : ℕ), b' ≠ (weight w) d → (homogeneousComponent w b') f d = 0 ⊢ (coeff α d) f = if (weight w) d = (weight w) d then (coeff α d) f else 0
no goals
Please generate a tactic in lean4 to solve the state. STATE: case h.e'_6 σ : Type u_2 α : Type u_1 inst✝¹ : Semiring α inst✝ : TopologicalSpace α w : σ → ℕ f : MvPowerSeries σ α d : σ →₀ ℕ hd : ∀ (b' : ℕ), b' ≠ (weight w) d → (homogeneousComponent w b') f d = 0 ⊢ (coeff α d) f = if (weight w) d = (weight w) d then (coe...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/ForMathlib/MvPowerSeries/Topology.lean
MvPowerSeries.as_tsum_of_homogeneous_components_self
[300, 1]
[304, 53]
haveI := t2Space σ α
σ : Type u_2 α : Type u_1 inst✝² : Semiring α inst✝¹ : TopologicalSpace α inst✝ : T2Space α w : σ → ℕ f : MvPowerSeries σ α ⊢ f = ∑' (p : ℕ), (homogeneousComponent w p) f
σ : Type u_2 α : Type u_1 inst✝² : Semiring α inst✝¹ : TopologicalSpace α inst✝ : T2Space α w : σ → ℕ f : MvPowerSeries σ α this : T2Space (MvPowerSeries σ α) ⊢ f = ∑' (p : ℕ), (homogeneousComponent w p) f
Please generate a tactic in lean4 to solve the state. STATE: σ : Type u_2 α : Type u_1 inst✝² : Semiring α inst✝¹ : TopologicalSpace α inst✝ : T2Space α w : σ → ℕ f : MvPowerSeries σ α ⊢ f = ∑' (p : ℕ), (homogeneousComponent w p) f TACTIC:
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/ForMathlib/MvPowerSeries/Topology.lean
MvPowerSeries.as_tsum_of_homogeneous_components_self
[300, 1]
[304, 53]
exact HasSum.unique (hasSum_of_homogeneous_components_self w f) (homogeneous_components_self_summable w f).hasSum
σ : Type u_2 α : Type u_1 inst✝² : Semiring α inst✝¹ : TopologicalSpace α inst✝ : T2Space α w : σ → ℕ f : MvPowerSeries σ α this : T2Space (MvPowerSeries σ α) ⊢ f = ∑' (p : ℕ), (homogeneousComponent w p) f
no goals
Please generate a tactic in lean4 to solve the state. STATE: σ : Type u_2 α : Type u_1 inst✝² : Semiring α inst✝¹ : TopologicalSpace α inst✝ : T2Space α w : σ → ℕ f : MvPowerSeries σ α this : T2Space (MvPowerSeries σ α) ⊢ f = ∑' (p : ℕ), (homogeneousComponent w p) f TACTIC:
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
Polynomial.C_eq_smul_one
[5, 1]
[6, 25]
rw [← C_mul', mul_one]
R : Type u_1 inst✝ : Semiring R a : R ⊢ C a = a • 1
no goals
Please generate a tactic in lean4 to solve the state. STATE: R : Type u_1 inst✝ : Semiring R a : R ⊢ C a = a • 1 TACTIC:
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_factorsThrough
[35, 1]
[110, 59]
dsimp [Function.FactorsThrough]
A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ) {a : A}, a ∈ I ⊓ J → hI.dpow n a = hJ.dpow n a n : ℕ ⊢ Function.FactorsThrough (fun x => match x with | (a, b) => ∑ k ∈ range (n + 1), hI.dpow k ↑a * hJ.dpow (n - k) ↑b) fun x => mat...
A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ) {a : A}, a ∈ I ⊓ J → hI.dpow n a = hJ.dpow n a n : ℕ ⊢ ∀ ⦃a b : ↥I × ↥J⦄, ↑a.1 + ↑a.2 = ↑b.1 + ↑b.2 → ∑ k ∈ range (n + 1), hI.dpow k ↑a.1 * hJ.dpow (n - k) ↑a.2 = ∑ k ∈ range (n + 1), hI.d...
Please generate a tactic in lean4 to solve the state. STATE: A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ) {a : A}, a ∈ I ⊓ J → hI.dpow n a = hJ.dpow n a n : ℕ ⊢ Function.FactorsThrough (fun x => match x with | (a, b) => ∑ k ∈ range (n ...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_factorsThrough
[35, 1]
[110, 59]
rintro ⟨⟨a, ha⟩, ⟨b, hb⟩⟩ ⟨⟨a', ha'⟩, ⟨b', hb'⟩⟩ H
A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ) {a : A}, a ∈ I ⊓ J → hI.dpow n a = hJ.dpow n a n : ℕ ⊢ ∀ ⦃a b : ↥I × ↥J⦄, ↑a.1 + ↑a.2 = ↑b.1 + ↑b.2 → ∑ k ∈ range (n + 1), hI.dpow k ↑a.1 * hJ.dpow (n - k) ↑a.2 = ∑ k ∈ range (n + 1), hI.d...
case mk.mk.mk.mk.mk.mk A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ) {a : A}, a ∈ I ⊓ J → hI.dpow n a = hJ.dpow n a n : ℕ a : A ha : a ∈ I b : A hb : b ∈ J a' : A ha' : a' ∈ I b' : A hb' : b' ∈ J H : ↑(⟨a, ha⟩, ⟨b, hb⟩).1 + ↑(⟨a, ha⟩, ⟨b, hb⟩).2 = ↑(⟨a...
Please generate a tactic in lean4 to solve the state. STATE: A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ) {a : A}, a ∈ I ⊓ J → hI.dpow n a = hJ.dpow n a n : ℕ ⊢ ∀ ⦃a b : ↥I × ↥J⦄, ↑a.1 + ↑a.2 = ↑b.1 + ↑b.2 → ∑ k ∈ range (n + 1), hI.dpow k ↑a...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_factorsThrough
[35, 1]
[110, 59]
dsimp only at H ⊢
case mk.mk.mk.mk.mk.mk A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ) {a : A}, a ∈ I ⊓ J → hI.dpow n a = hJ.dpow n a n : ℕ a : A ha : a ∈ I b : A hb : b ∈ J a' : A ha' : a' ∈ I b' : A hb' : b' ∈ J H : ↑(⟨a, ha⟩, ⟨b, hb⟩).1 + ↑(⟨a, ha⟩, ⟨b, hb⟩).2 = ↑(⟨a...
case mk.mk.mk.mk.mk.mk A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ) {a : A}, a ∈ I ⊓ J → hI.dpow n a = hJ.dpow n a n : ℕ a : A ha : a ∈ I b : A hb : b ∈ J a' : A ha' : a' ∈ I b' : A hb' : b' ∈ J H : a + b = a' + b' ⊢ ∑ k ∈ range (n + 1), hI.dpow k a *...
Please generate a tactic in lean4 to solve the state. STATE: case mk.mk.mk.mk.mk.mk A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ) {a : A}, a ∈ I ⊓ J → hI.dpow n a = hJ.dpow n a n : ℕ a : A ha : a ∈ I b : A hb : b ∈ J a' : A ha' : a' ∈ I b' : A hb' : b'...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_factorsThrough
[35, 1]
[110, 59]
set c := a - a' with hc
case mk.mk.mk.mk.mk.mk A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ) {a : A}, a ∈ I ⊓ J → hI.dpow n a = hJ.dpow n a n : ℕ a : A ha : a ∈ I b : A hb : b ∈ J a' : A ha' : a' ∈ I b' : A hb' : b' ∈ J H : a + b = a' + b' ⊢ ∑ k ∈ range (n + 1), hI.dpow k a *...
case mk.mk.mk.mk.mk.mk A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ) {a : A}, a ∈ I ⊓ J → hI.dpow n a = hJ.dpow n a n : ℕ a : A ha : a ∈ I b : A hb : b ∈ J a' : A ha' : a' ∈ I b' : A hb' : b' ∈ J H : a + b = a' + b' c : A := a - a' hc : c = a - a' ⊢ ∑ ...
Please generate a tactic in lean4 to solve the state. STATE: case mk.mk.mk.mk.mk.mk A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ) {a : A}, a ∈ I ⊓ J → hI.dpow n a = hJ.dpow n a n : ℕ a : A ha : a ∈ I b : A hb : b ∈ J a' : A ha' : a' ∈ I b' : A hb' : b'...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_factorsThrough
[35, 1]
[110, 59]
have haa' : a = a' + c := by simp only [hc, add_sub_cancel]
case mk.mk.mk.mk.mk.mk A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ) {a : A}, a ∈ I ⊓ J → hI.dpow n a = hJ.dpow n a n : ℕ a : A ha : a ∈ I b : A hb : b ∈ J a' : A ha' : a' ∈ I b' : A hb' : b' ∈ J H : a + b = a' + b' c : A := a - a' hc : c = a - a' ⊢ ∑ ...
case mk.mk.mk.mk.mk.mk A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ) {a : A}, a ∈ I ⊓ J → hI.dpow n a = hJ.dpow n a n : ℕ a : A ha : a ∈ I b : A hb : b ∈ J a' : A ha' : a' ∈ I b' : A hb' : b' ∈ J H : a + b = a' + b' c : A := a - a' hc : c = a - a' haa'...
Please generate a tactic in lean4 to solve the state. STATE: case mk.mk.mk.mk.mk.mk A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ) {a : A}, a ∈ I ⊓ J → hI.dpow n a = hJ.dpow n a n : ℕ a : A ha : a ∈ I b : A hb : b ∈ J a' : A ha' : a' ∈ I b' : A hb' : b'...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_factorsThrough
[35, 1]
[110, 59]
have hbb' : b' = b + c := by rw [← sub_eq_iff_eq_add'] at H ; rw [← H]; rw [haa']; ring
case mk.mk.mk.mk.mk.mk A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ) {a : A}, a ∈ I ⊓ J → hI.dpow n a = hJ.dpow n a n : ℕ a : A ha : a ∈ I b : A hb : b ∈ J a' : A ha' : a' ∈ I b' : A hb' : b' ∈ J H : a + b = a' + b' c : A := a - a' hc : c = a - a' haa'...
case mk.mk.mk.mk.mk.mk A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ) {a : A}, a ∈ I ⊓ J → hI.dpow n a = hJ.dpow n a n : ℕ a : A ha : a ∈ I b : A hb : b ∈ J a' : A ha' : a' ∈ I b' : A hb' : b' ∈ J H : a + b = a' + b' c : A := a - a' hc : c = a - a' haa'...
Please generate a tactic in lean4 to solve the state. STATE: case mk.mk.mk.mk.mk.mk A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ) {a : A}, a ∈ I ⊓ J → hI.dpow n a = hJ.dpow n a n : ℕ a : A ha : a ∈ I b : A hb : b ∈ J a' : A ha' : a' ∈ I b' : A hb' : b'...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_factorsThrough
[35, 1]
[110, 59]
have hcI : c ∈ I := sub_mem ha ha'
case mk.mk.mk.mk.mk.mk A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ) {a : A}, a ∈ I ⊓ J → hI.dpow n a = hJ.dpow n a n : ℕ a : A ha : a ∈ I b : A hb : b ∈ J a' : A ha' : a' ∈ I b' : A hb' : b' ∈ J H : a + b = a' + b' c : A := a - a' hc : c = a - a' haa'...
case mk.mk.mk.mk.mk.mk A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ) {a : A}, a ∈ I ⊓ J → hI.dpow n a = hJ.dpow n a n : ℕ a : A ha : a ∈ I b : A hb : b ∈ J a' : A ha' : a' ∈ I b' : A hb' : b' ∈ J H : a + b = a' + b' c : A := a - a' hc : c = a - a' haa'...
Please generate a tactic in lean4 to solve the state. STATE: case mk.mk.mk.mk.mk.mk A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ) {a : A}, a ∈ I ⊓ J → hI.dpow n a = hJ.dpow n a n : ℕ a : A ha : a ∈ I b : A hb : b ∈ J a' : A ha' : a' ∈ I b' : A hb' : b'...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_factorsThrough
[35, 1]
[110, 59]
have hcJ : c ∈ J := by rw [← sub_eq_iff_eq_add'.mpr hbb']; exact sub_mem hb' hb
case mk.mk.mk.mk.mk.mk A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ) {a : A}, a ∈ I ⊓ J → hI.dpow n a = hJ.dpow n a n : ℕ a : A ha : a ∈ I b : A hb : b ∈ J a' : A ha' : a' ∈ I b' : A hb' : b' ∈ J H : a + b = a' + b' c : A := a - a' hc : c = a - a' haa'...
case mk.mk.mk.mk.mk.mk A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ) {a : A}, a ∈ I ⊓ J → hI.dpow n a = hJ.dpow n a n : ℕ a : A ha : a ∈ I b : A hb : b ∈ J a' : A ha' : a' ∈ I b' : A hb' : b' ∈ J H : a + b = a' + b' c : A := a - a' hc : c = a - a' haa'...
Please generate a tactic in lean4 to solve the state. STATE: case mk.mk.mk.mk.mk.mk A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ) {a : A}, a ∈ I ⊓ J → hI.dpow n a = hJ.dpow n a n : ℕ a : A ha : a ∈ I b : A hb : b ∈ J a' : A ha' : a' ∈ I b' : A hb' : b'...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_factorsThrough
[35, 1]
[110, 59]
rw [haa', hbb']
case mk.mk.mk.mk.mk.mk A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ) {a : A}, a ∈ I ⊓ J → hI.dpow n a = hJ.dpow n a n : ℕ a : A ha : a ∈ I b : A hb : b ∈ J a' : A ha' : a' ∈ I b' : A hb' : b' ∈ J H : a + b = a' + b' c : A := a - a' hc : c = a - a' haa'...
case mk.mk.mk.mk.mk.mk A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ) {a : A}, a ∈ I ⊓ J → hI.dpow n a = hJ.dpow n a n : ℕ a : A ha : a ∈ I b : A hb : b ∈ J a' : A ha' : a' ∈ I b' : A hb' : b' ∈ J H : a + b = a' + b' c : A := a - a' hc : c = a - a' haa'...
Please generate a tactic in lean4 to solve the state. STATE: case mk.mk.mk.mk.mk.mk A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ) {a : A}, a ∈ I ⊓ J → hI.dpow n a = hJ.dpow n a n : ℕ a : A ha : a ∈ I b : A hb : b ∈ J a' : A ha' : a' ∈ I b' : A hb' : b'...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_factorsThrough
[35, 1]
[110, 59]
have Ha'c : ((Finset.range (n + 1)).sum fun k : ℕ => hI.dpow k (a' + c) * hJ.dpow (n - k) b) = (Finset.range (n + 1)).sum fun k : ℕ => (Finset.range (k + 1)).sum fun l : ℕ => hI.dpow l a' * hJ.dpow (n - k) b * hI.dpow (k - l) c := by apply Finset.sum_congr rfl intro k _ rw [hI.dpow_add' k ha' ...
case mk.mk.mk.mk.mk.mk A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ) {a : A}, a ∈ I ⊓ J → hI.dpow n a = hJ.dpow n a n : ℕ a : A ha : a ∈ I b : A hb : b ∈ J a' : A ha' : a' ∈ I b' : A hb' : b' ∈ J H : a + b = a' + b' c : A := a - a' hc : c = a - a' haa'...
case mk.mk.mk.mk.mk.mk A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ) {a : A}, a ∈ I ⊓ J → hI.dpow n a = hJ.dpow n a n : ℕ a : A ha : a ∈ I b : A hb : b ∈ J a' : A ha' : a' ∈ I b' : A hb' : b' ∈ J H : a + b = a' + b' c : A := a - a' hc : c = a - a' haa'...
Please generate a tactic in lean4 to solve the state. STATE: case mk.mk.mk.mk.mk.mk A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ) {a : A}, a ∈ I ⊓ J → hI.dpow n a = hJ.dpow n a n : ℕ a : A ha : a ∈ I b : A hb : b ∈ J a' : A ha' : a' ∈ I b' : A hb' : b'...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_factorsThrough
[35, 1]
[110, 59]
rw [Ha'c]
case mk.mk.mk.mk.mk.mk A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ) {a : A}, a ∈ I ⊓ J → hI.dpow n a = hJ.dpow n a n : ℕ a : A ha : a ∈ I b : A hb : b ∈ J a' : A ha' : a' ∈ I b' : A hb' : b' ∈ J H : a + b = a' + b' c : A := a - a' hc : c = a - a' haa'...
case mk.mk.mk.mk.mk.mk A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ) {a : A}, a ∈ I ⊓ J → hI.dpow n a = hJ.dpow n a n : ℕ a : A ha : a ∈ I b : A hb : b ∈ J a' : A ha' : a' ∈ I b' : A hb' : b' ∈ J H : a + b = a' + b' c : A := a - a' hc : c = a - a' haa'...
Please generate a tactic in lean4 to solve the state. STATE: case mk.mk.mk.mk.mk.mk A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ) {a : A}, a ∈ I ⊓ J → hI.dpow n a = hJ.dpow n a n : ℕ a : A ha : a ∈ I b : A hb : b ∈ J a' : A ha' : a' ∈ I b' : A hb' : b'...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_factorsThrough
[35, 1]
[110, 59]
rw [Finset.sum_sigma']
case mk.mk.mk.mk.mk.mk A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ) {a : A}, a ∈ I ⊓ J → hI.dpow n a = hJ.dpow n a n : ℕ a : A ha : a ∈ I b : A hb : b ∈ J a' : A ha' : a' ∈ I b' : A hb' : b' ∈ J H : a + b = a' + b' c : A := a - a' hc : c = a - a' haa'...
case mk.mk.mk.mk.mk.mk A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ) {a : A}, a ∈ I ⊓ J → hI.dpow n a = hJ.dpow n a n : ℕ a : A ha : a ∈ I b : A hb : b ∈ J a' : A ha' : a' ∈ I b' : A hb' : b' ∈ J H : a + b = a' + b' c : A := a - a' hc : c = a - a' haa'...
Please generate a tactic in lean4 to solve the state. STATE: case mk.mk.mk.mk.mk.mk A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ) {a : A}, a ∈ I ⊓ J → hI.dpow n a = hJ.dpow n a n : ℕ a : A ha : a ∈ I b : A hb : b ∈ J a' : A ha' : a' ∈ I b' : A hb' : b'...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_factorsThrough
[35, 1]
[110, 59]
have Hbc : ((Finset.range (n + 1)).sum fun k : ℕ => hI.dpow k a' * hJ.dpow (n - k) (b + c)) = (Finset.range (n + 1)).sum fun k : ℕ => (Finset.range (n - k + 1)).sum fun l : ℕ => hI.dpow k a' * hJ.dpow l b * hJ.dpow (n - k - l) c := by apply Finset.sum_congr rfl intro k _ rw [hJ.dpow_add' (n - ...
case mk.mk.mk.mk.mk.mk A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ) {a : A}, a ∈ I ⊓ J → hI.dpow n a = hJ.dpow n a n : ℕ a : A ha : a ∈ I b : A hb : b ∈ J a' : A ha' : a' ∈ I b' : A hb' : b' ∈ J H : a + b = a' + b' c : A := a - a' hc : c = a - a' haa'...
case mk.mk.mk.mk.mk.mk A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ) {a : A}, a ∈ I ⊓ J → hI.dpow n a = hJ.dpow n a n : ℕ a : A ha : a ∈ I b : A hb : b ∈ J a' : A ha' : a' ∈ I b' : A hb' : b' ∈ J H : a + b = a' + b' c : A := a - a' hc : c = a - a' haa'...
Please generate a tactic in lean4 to solve the state. STATE: case mk.mk.mk.mk.mk.mk A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ) {a : A}, a ∈ I ⊓ J → hI.dpow n a = hJ.dpow n a n : ℕ a : A ha : a ∈ I b : A hb : b ∈ J a' : A ha' : a' ∈ I b' : A hb' : b'...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_factorsThrough
[35, 1]
[110, 59]
rw [Hbc]
case mk.mk.mk.mk.mk.mk A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ) {a : A}, a ∈ I ⊓ J → hI.dpow n a = hJ.dpow n a n : ℕ a : A ha : a ∈ I b : A hb : b ∈ J a' : A ha' : a' ∈ I b' : A hb' : b' ∈ J H : a + b = a' + b' c : A := a - a' hc : c = a - a' haa'...
case mk.mk.mk.mk.mk.mk A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ) {a : A}, a ∈ I ⊓ J → hI.dpow n a = hJ.dpow n a n : ℕ a : A ha : a ∈ I b : A hb : b ∈ J a' : A ha' : a' ∈ I b' : A hb' : b' ∈ J H : a + b = a' + b' c : A := a - a' hc : c = a - a' haa'...
Please generate a tactic in lean4 to solve the state. STATE: case mk.mk.mk.mk.mk.mk A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ) {a : A}, a ∈ I ⊓ J → hI.dpow n a = hJ.dpow n a n : ℕ a : A ha : a ∈ I b : A hb : b ∈ J a' : A ha' : a' ∈ I b' : A hb' : b'...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_factorsThrough
[35, 1]
[110, 59]
rw [Finset.sum_sigma']
case mk.mk.mk.mk.mk.mk A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ) {a : A}, a ∈ I ⊓ J → hI.dpow n a = hJ.dpow n a n : ℕ a : A ha : a ∈ I b : A hb : b ∈ J a' : A ha' : a' ∈ I b' : A hb' : b' ∈ J H : a + b = a' + b' c : A := a - a' hc : c = a - a' haa'...
case mk.mk.mk.mk.mk.mk A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ) {a : A}, a ∈ I ⊓ J → hI.dpow n a = hJ.dpow n a n : ℕ a : A ha : a ∈ I b : A hb : b ∈ J a' : A ha' : a' ∈ I b' : A hb' : b' ∈ J H : a + b = a' + b' c : A := a - a' hc : c = a - a' haa'...
Please generate a tactic in lean4 to solve the state. STATE: case mk.mk.mk.mk.mk.mk A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ) {a : A}, a ∈ I ⊓ J → hI.dpow n a = hJ.dpow n a n : ℕ a : A ha : a ∈ I b : A hb : b ∈ J a' : A ha' : a' ∈ I b' : A hb' : b'...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_factorsThrough
[35, 1]
[110, 59]
set s := (Finset.range (n + 1)).sigma fun a : ℕ => Finset.range (a + 1) with hs_def
case mk.mk.mk.mk.mk.mk A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ) {a : A}, a ∈ I ⊓ J → hI.dpow n a = hJ.dpow n a n : ℕ a : A ha : a ∈ I b : A hb : b ∈ J a' : A ha' : a' ∈ I b' : A hb' : b' ∈ J H : a + b = a' + b' c : A := a - a' hc : c = a - a' haa'...
case mk.mk.mk.mk.mk.mk A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ) {a : A}, a ∈ I ⊓ J → hI.dpow n a = hJ.dpow n a n : ℕ a : A ha : a ∈ I b : A hb : b ∈ J a' : A ha' : a' ∈ I b' : A hb' : b' ∈ J H : a + b = a' + b' c : A := a - a' hc : c = a - a' haa'...
Please generate a tactic in lean4 to solve the state. STATE: case mk.mk.mk.mk.mk.mk A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ) {a : A}, a ∈ I ⊓ J → hI.dpow n a = hJ.dpow n a n : ℕ a : A ha : a ∈ I b : A hb : b ∈ J a' : A ha' : a' ∈ I b' : A hb' : b'...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_factorsThrough
[35, 1]
[110, 59]
set i : ∀ x : Σ _ : ℕ, ℕ, x ∈ s → Σ _ : ℕ, ℕ := fun ⟨k, m⟩ _ => ⟨m, n - k⟩ with hi_def
case mk.mk.mk.mk.mk.mk A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ) {a : A}, a ∈ I ⊓ J → hI.dpow n a = hJ.dpow n a n : ℕ a : A ha : a ∈ I b : A hb : b ∈ J a' : A ha' : a' ∈ I b' : A hb' : b' ∈ J H : a + b = a' + b' c : A := a - a' hc : c = a - a' haa'...
case mk.mk.mk.mk.mk.mk A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ) {a : A}, a ∈ I ⊓ J → hI.dpow n a = hJ.dpow n a n : ℕ a : A ha : a ∈ I b : A hb : b ∈ J a' : A ha' : a' ∈ I b' : A hb' : b' ∈ J H : a + b = a' + b' c : A := a - a' hc : c = a - a' haa'...
Please generate a tactic in lean4 to solve the state. STATE: case mk.mk.mk.mk.mk.mk A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ) {a : A}, a ∈ I ⊓ J → hI.dpow n a = hJ.dpow n a n : ℕ a : A ha : a ∈ I b : A hb : b ∈ J a' : A ha' : a' ∈ I b' : A hb' : b'...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_factorsThrough
[35, 1]
[110, 59]
set t := (Finset.range (n + 1)).sigma fun a : ℕ => Finset.range (n - a + 1) with ht_def
case mk.mk.mk.mk.mk.mk A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ) {a : A}, a ∈ I ⊓ J → hI.dpow n a = hJ.dpow n a n : ℕ a : A ha : a ∈ I b : A hb : b ∈ J a' : A ha' : a' ∈ I b' : A hb' : b' ∈ J H : a + b = a' + b' c : A := a - a' hc : c = a - a' haa'...
case mk.mk.mk.mk.mk.mk A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ) {a : A}, a ∈ I ⊓ J → hI.dpow n a = hJ.dpow n a n : ℕ a : A ha : a ∈ I b : A hb : b ∈ J a' : A ha' : a' ∈ I b' : A hb' : b' ∈ J H : a + b = a' + b' c : A := a - a' hc : c = a - a' haa'...
Please generate a tactic in lean4 to solve the state. STATE: case mk.mk.mk.mk.mk.mk A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ) {a : A}, a ∈ I ⊓ J → hI.dpow n a = hJ.dpow n a n : ℕ a : A ha : a ∈ I b : A hb : b ∈ J a' : A ha' : a' ∈ I b' : A hb' : b'...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_factorsThrough
[35, 1]
[110, 59]
set j : ∀ y : Σ _ : ℕ, ℕ, y ∈ t → Σ _ : ℕ, ℕ := fun ⟨k, m⟩ _ => ⟨n - m, k⟩ with hj_def
case mk.mk.mk.mk.mk.mk A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ) {a : A}, a ∈ I ⊓ J → hI.dpow n a = hJ.dpow n a n : ℕ a : A ha : a ∈ I b : A hb : b ∈ J a' : A ha' : a' ∈ I b' : A hb' : b' ∈ J H : a + b = a' + b' c : A := a - a' hc : c = a - a' haa'...
case mk.mk.mk.mk.mk.mk A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ) {a : A}, a ∈ I ⊓ J → hI.dpow n a = hJ.dpow n a n : ℕ a : A ha : a ∈ I b : A hb : b ∈ J a' : A ha' : a' ∈ I b' : A hb' : b' ∈ J H : a + b = a' + b' c : A := a - a' hc : c = a - a' haa'...
Please generate a tactic in lean4 to solve the state. STATE: case mk.mk.mk.mk.mk.mk A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ) {a : A}, a ∈ I ⊓ J → hI.dpow n a = hJ.dpow n a n : ℕ a : A ha : a ∈ I b : A hb : b ∈ J a' : A ha' : a' ∈ I b' : A hb' : b'...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_factorsThrough
[35, 1]
[110, 59]
rw [Finset.sum_bij' i j _ _ _ _]
case mk.mk.mk.mk.mk.mk A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ) {a : A}, a ∈ I ⊓ J → hI.dpow n a = hJ.dpow n a n : ℕ a : A ha : a ∈ I b : A hb : b ∈ J a' : A ha' : a' ∈ I b' : A hb' : b' ∈ J H : a + b = a' + b' c : A := a - a' hc : c = a - a' haa'...
case mk.mk.mk.mk.mk.mk A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ) {a : A}, a ∈ I ⊓ J → hI.dpow n a = hJ.dpow n a n : ℕ a : A ha : a ∈ I b : A hb : b ∈ J a' : A ha' : a' ∈ I b' : A hb' : b' ∈ J H : a + b = a' + b' c : A := a - a' hc : c = a - a' haa'...
Please generate a tactic in lean4 to solve the state. STATE: case mk.mk.mk.mk.mk.mk A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ) {a : A}, a ∈ I ⊓ J → hI.dpow n a = hJ.dpow n a n : ℕ a : A ha : a ∈ I b : A hb : b ∈ J a' : A ha' : a' ∈ I b' : A hb' : b'...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_factorsThrough
[35, 1]
[110, 59]
simp only [hc, add_sub_cancel]
A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ) {a : A}, a ∈ I ⊓ J → hI.dpow n a = hJ.dpow n a n : ℕ a : A ha : a ∈ I b : A hb : b ∈ J a' : A ha' : a' ∈ I b' : A hb' : b' ∈ J H : a + b = a' + b' c : A := a - a' hc : c = a - a' ⊢ a = a' + c
no goals
Please generate a tactic in lean4 to solve the state. STATE: A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ) {a : A}, a ∈ I ⊓ J → hI.dpow n a = hJ.dpow n a n : ℕ a : A ha : a ∈ I b : A hb : b ∈ J a' : A ha' : a' ∈ I b' : A hb' : b' ∈ J H : a + b = a' + b...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_factorsThrough
[35, 1]
[110, 59]
rw [← sub_eq_iff_eq_add'] at H
A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ) {a : A}, a ∈ I ⊓ J → hI.dpow n a = hJ.dpow n a n : ℕ a : A ha : a ∈ I b : A hb : b ∈ J a' : A ha' : a' ∈ I b' : A hb' : b' ∈ J H : a + b = a' + b' c : A := a - a' hc : c = a - a' haa' : a = a' + c ⊢ b' = b ...
A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ) {a : A}, a ∈ I ⊓ J → hI.dpow n a = hJ.dpow n a n : ℕ a : A ha : a ∈ I b : A hb : b ∈ J a' : A ha' : a' ∈ I b' : A hb' : b' ∈ J H : a + b - a' = b' c : A := a - a' hc : c = a - a' haa' : a = a' + c ⊢ b' = b ...
Please generate a tactic in lean4 to solve the state. STATE: A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ) {a : A}, a ∈ I ⊓ J → hI.dpow n a = hJ.dpow n a n : ℕ a : A ha : a ∈ I b : A hb : b ∈ J a' : A ha' : a' ∈ I b' : A hb' : b' ∈ J H : a + b = a' + b...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_factorsThrough
[35, 1]
[110, 59]
rw [← H]
A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ) {a : A}, a ∈ I ⊓ J → hI.dpow n a = hJ.dpow n a n : ℕ a : A ha : a ∈ I b : A hb : b ∈ J a' : A ha' : a' ∈ I b' : A hb' : b' ∈ J H : a + b - a' = b' c : A := a - a' hc : c = a - a' haa' : a = a' + c ⊢ b' = b ...
A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ) {a : A}, a ∈ I ⊓ J → hI.dpow n a = hJ.dpow n a n : ℕ a : A ha : a ∈ I b : A hb : b ∈ J a' : A ha' : a' ∈ I b' : A hb' : b' ∈ J H : a + b - a' = b' c : A := a - a' hc : c = a - a' haa' : a = a' + c ⊢ a + b -...
Please generate a tactic in lean4 to solve the state. STATE: A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ) {a : A}, a ∈ I ⊓ J → hI.dpow n a = hJ.dpow n a n : ℕ a : A ha : a ∈ I b : A hb : b ∈ J a' : A ha' : a' ∈ I b' : A hb' : b' ∈ J H : a + b - a' = b...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_factorsThrough
[35, 1]
[110, 59]
rw [haa']
A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ) {a : A}, a ∈ I ⊓ J → hI.dpow n a = hJ.dpow n a n : ℕ a : A ha : a ∈ I b : A hb : b ∈ J a' : A ha' : a' ∈ I b' : A hb' : b' ∈ J H : a + b - a' = b' c : A := a - a' hc : c = a - a' haa' : a = a' + c ⊢ a + b -...
A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ) {a : A}, a ∈ I ⊓ J → hI.dpow n a = hJ.dpow n a n : ℕ a : A ha : a ∈ I b : A hb : b ∈ J a' : A ha' : a' ∈ I b' : A hb' : b' ∈ J H : a + b - a' = b' c : A := a - a' hc : c = a - a' haa' : a = a' + c ⊢ a' + c ...
Please generate a tactic in lean4 to solve the state. STATE: A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ) {a : A}, a ∈ I ⊓ J → hI.dpow n a = hJ.dpow n a n : ℕ a : A ha : a ∈ I b : A hb : b ∈ J a' : A ha' : a' ∈ I b' : A hb' : b' ∈ J H : a + b - a' = b...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_factorsThrough
[35, 1]
[110, 59]
ring
A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ) {a : A}, a ∈ I ⊓ J → hI.dpow n a = hJ.dpow n a n : ℕ a : A ha : a ∈ I b : A hb : b ∈ J a' : A ha' : a' ∈ I b' : A hb' : b' ∈ J H : a + b - a' = b' c : A := a - a' hc : c = a - a' haa' : a = a' + c ⊢ a' + c ...
no goals
Please generate a tactic in lean4 to solve the state. STATE: A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ) {a : A}, a ∈ I ⊓ J → hI.dpow n a = hJ.dpow n a n : ℕ a : A ha : a ∈ I b : A hb : b ∈ J a' : A ha' : a' ∈ I b' : A hb' : b' ∈ J H : a + b - a' = b...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_factorsThrough
[35, 1]
[110, 59]
rw [← sub_eq_iff_eq_add'.mpr hbb']
A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ) {a : A}, a ∈ I ⊓ J → hI.dpow n a = hJ.dpow n a n : ℕ a : A ha : a ∈ I b : A hb : b ∈ J a' : A ha' : a' ∈ I b' : A hb' : b' ∈ J H : a + b = a' + b' c : A := a - a' hc : c = a - a' haa' : a = a' + c hbb' : b'...
A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ) {a : A}, a ∈ I ⊓ J → hI.dpow n a = hJ.dpow n a n : ℕ a : A ha : a ∈ I b : A hb : b ∈ J a' : A ha' : a' ∈ I b' : A hb' : b' ∈ J H : a + b = a' + b' c : A := a - a' hc : c = a - a' haa' : a = a' + c hbb' : b'...
Please generate a tactic in lean4 to solve the state. STATE: A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ) {a : A}, a ∈ I ⊓ J → hI.dpow n a = hJ.dpow n a n : ℕ a : A ha : a ∈ I b : A hb : b ∈ J a' : A ha' : a' ∈ I b' : A hb' : b' ∈ J H : a + b = a' + b...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_factorsThrough
[35, 1]
[110, 59]
exact sub_mem hb' hb
A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ) {a : A}, a ∈ I ⊓ J → hI.dpow n a = hJ.dpow n a n : ℕ a : A ha : a ∈ I b : A hb : b ∈ J a' : A ha' : a' ∈ I b' : A hb' : b' ∈ J H : a + b = a' + b' c : A := a - a' hc : c = a - a' haa' : a = a' + c hbb' : b'...
no goals
Please generate a tactic in lean4 to solve the state. STATE: A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ) {a : A}, a ∈ I ⊓ J → hI.dpow n a = hJ.dpow n a n : ℕ a : A ha : a ∈ I b : A hb : b ∈ J a' : A ha' : a' ∈ I b' : A hb' : b' ∈ J H : a + b = a' + b...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_factorsThrough
[35, 1]
[110, 59]
apply Finset.sum_congr rfl
A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ) {a : A}, a ∈ I ⊓ J → hI.dpow n a = hJ.dpow n a n : ℕ a : A ha : a ∈ I b : A hb : b ∈ J a' : A ha' : a' ∈ I b' : A hb' : b' ∈ J H : a + b = a' + b' c : A := a - a' hc : c = a - a' haa' : a = a' + c hbb' : b'...
A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ) {a : A}, a ∈ I ⊓ J → hI.dpow n a = hJ.dpow n a n : ℕ a : A ha : a ∈ I b : A hb : b ∈ J a' : A ha' : a' ∈ I b' : A hb' : b' ∈ J H : a + b = a' + b' c : A := a - a' hc : c = a - a' haa' : a = a' + c hbb' : b'...
Please generate a tactic in lean4 to solve the state. STATE: A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ) {a : A}, a ∈ I ⊓ J → hI.dpow n a = hJ.dpow n a n : ℕ a : A ha : a ∈ I b : A hb : b ∈ J a' : A ha' : a' ∈ I b' : A hb' : b' ∈ J H : a + b = a' + b...