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https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/DPAlgebra/Dpow.lean
DividedPowerAlgebra.T_free_and_D_to_QSplit
[506, 1]
[595, 17]
use hK
case h R✝ : Type u inst✝⁶ : CommRing R✝ A : Type u inst✝⁵ : CommRing A inst✝⁴ : DecidableEq A S✝ : Type u inst✝³ : CommRing S✝ inst✝² : Algebra A S✝ I✝ : Ideal S✝ hI✝ : DividedPowers I✝ S₀✝ : Subalgebra A S✝ hIS₀✝ : IsCompl (Subalgebra.toSubmodule S₀✝) (Submodule.restrictScalars A I✝) condTFree : CondTFree A condD : Co...
case h R✝ : Type u inst✝⁶ : CommRing R✝ A : Type u inst✝⁵ : CommRing A inst✝⁴ : DecidableEq A S✝ : Type u inst✝³ : CommRing S✝ inst✝² : Algebra A S✝ I✝ : Ideal S✝ hI✝ : DividedPowers I✝ S₀✝ : Subalgebra A S✝ hIS₀✝ : IsCompl (Subalgebra.toSubmodule S₀✝) (Submodule.restrictScalars A I✝) condTFree : CondTFree A condD : Co...
Please generate a tactic in lean4 to solve the state. STATE: case h R✝ : Type u inst✝⁶ : CommRing R✝ A : Type u inst✝⁵ : CommRing A inst✝⁴ : DecidableEq A S✝ : Type u inst✝³ : CommRing S✝ inst✝² : Algebra A S✝ I✝ : Ideal S✝ hI✝ : DividedPowers I✝ S₀✝ : Subalgebra A S✝ hIS₀✝ : IsCompl (Subalgebra.toSubmodule S₀✝) (Submo...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/DPAlgebra/Dpow.lean
DividedPowerAlgebra.T_free_and_D_to_QSplit
[506, 1]
[595, 17]
have : MvPolynomial S₀ A →ₐ[A] MvPolynomial S₀ A ⊗[A] DividedPowerAlgebra A M := by apply Algebra.TensorProduct.includeLeft
case h R✝ : Type u inst✝⁶ : CommRing R✝ A : Type u inst✝⁵ : CommRing A inst✝⁴ : DecidableEq A S✝ : Type u inst✝³ : CommRing S✝ inst✝² : Algebra A S✝ I✝ : Ideal S✝ hI✝ : DividedPowers I✝ S₀✝ : Subalgebra A S✝ hIS₀✝ : IsCompl (Subalgebra.toSubmodule S₀✝) (Submodule.restrictScalars A I✝) condTFree : CondTFree A condD : Co...
case h R✝ : Type u inst✝⁶ : CommRing R✝ A : Type u inst✝⁵ : CommRing A inst✝⁴ : DecidableEq A S✝ : Type u inst✝³ : CommRing S✝ inst✝² : Algebra A S✝ I✝ : Ideal S✝ hI✝ : DividedPowers I✝ S₀✝ : Subalgebra A S✝ hIS₀✝ : IsCompl (Subalgebra.toSubmodule S₀✝) (Submodule.restrictScalars A I✝) condTFree : CondTFree A condD : Co...
Please generate a tactic in lean4 to solve the state. STATE: case h R✝ : Type u inst✝⁶ : CommRing R✝ A : Type u inst✝⁵ : CommRing A inst✝⁴ : DecidableEq A S✝ : Type u inst✝³ : CommRing S✝ inst✝² : Algebra A S✝ I✝ : Ideal S✝ hI✝ : DividedPowers I✝ S₀✝ : Subalgebra A S✝ hIS₀✝ : IsCompl (Subalgebra.toSubmodule S₀✝) (Submo...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/DPAlgebra/Dpow.lean
DividedPowerAlgebra.T_free_and_D_to_QSplit
[506, 1]
[595, 17]
use (⊥ : Subalgebra R T).restrictScalars A
case h R✝ : Type u inst✝⁶ : CommRing R✝ A : Type u inst✝⁵ : CommRing A inst✝⁴ : DecidableEq A S✝ : Type u inst✝³ : CommRing S✝ inst✝² : Algebra A S✝ I✝ : Ideal S✝ hI✝ : DividedPowers I✝ S₀✝ : Subalgebra A S✝ hIS₀✝ : IsCompl (Subalgebra.toSubmodule S₀✝) (Submodule.restrictScalars A I✝) condTFree : CondTFree A condD : Co...
case h R✝ : Type u inst✝⁶ : CommRing R✝ A : Type u inst✝⁵ : CommRing A inst✝⁴ : DecidableEq A S✝ : Type u inst✝³ : CommRing S✝ inst✝² : Algebra A S✝ I✝ : Ideal S✝ hI✝ : DividedPowers I✝ S₀✝ : Subalgebra A S✝ hIS₀✝ : IsCompl (Subalgebra.toSubmodule S₀✝) (Submodule.restrictScalars A I✝) condTFree : CondTFree A condD : Co...
Please generate a tactic in lean4 to solve the state. STATE: case h R✝ : Type u inst✝⁶ : CommRing R✝ A : Type u inst✝⁵ : CommRing A inst✝⁴ : DecidableEq A S✝ : Type u inst✝³ : CommRing S✝ inst✝² : Algebra A S✝ I✝ : Ideal S✝ hI✝ : DividedPowers I✝ S₀✝ : Subalgebra A S✝ hIS₀✝ : IsCompl (Subalgebra.toSubmodule S₀✝) (Submo...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/DPAlgebra/Dpow.lean
DividedPowerAlgebra.T_free_and_D_to_QSplit
[506, 1]
[595, 17]
refine ⟨?_, ?_⟩
case h R✝ : Type u inst✝⁶ : CommRing R✝ A : Type u inst✝⁵ : CommRing A inst✝⁴ : DecidableEq A S✝ : Type u inst✝³ : CommRing S✝ inst✝² : Algebra A S✝ I✝ : Ideal S✝ hI✝ : DividedPowers I✝ S₀✝ : Subalgebra A S✝ hIS₀✝ : IsCompl (Subalgebra.toSubmodule S₀✝) (Submodule.restrictScalars A I✝) condTFree : CondTFree A condD : Co...
case h.refine_1 R✝ : Type u inst✝⁶ : CommRing R✝ A : Type u inst✝⁵ : CommRing A inst✝⁴ : DecidableEq A S✝ : Type u inst✝³ : CommRing S✝ inst✝² : Algebra A S✝ I✝ : Ideal S✝ hI✝ : DividedPowers I✝ S₀✝ : Subalgebra A S✝ hIS₀✝ : IsCompl (Subalgebra.toSubmodule S₀✝) (Submodule.restrictScalars A I✝) condTFree : CondTFree A c...
Please generate a tactic in lean4 to solve the state. STATE: case h R✝ : Type u inst✝⁶ : CommRing R✝ A : Type u inst✝⁵ : CommRing A inst✝⁴ : DecidableEq A S✝ : Type u inst✝³ : CommRing S✝ inst✝² : Algebra A S✝ I✝ : Ideal S✝ hI✝ : DividedPowers I✝ S₀✝ : Subalgebra A S✝ hIS₀✝ : IsCompl (Subalgebra.toSubmodule S₀✝) (Submo...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/DPAlgebra/Dpow.lean
DividedPowerAlgebra.T_free_and_D_to_QSplit
[506, 1]
[595, 17]
use Ψ A S hI S₀
case h.refine_2 R✝ : Type u inst✝⁶ : CommRing R✝ A : Type u inst✝⁵ : CommRing A inst✝⁴ : DecidableEq A S✝ : Type u inst✝³ : CommRing S✝ inst✝² : Algebra A S✝ I✝ : Ideal S✝ hI✝ : DividedPowers I✝ S₀✝ : Subalgebra A S✝ hIS₀✝ : IsCompl (Subalgebra.toSubmodule S₀✝) (Submodule.restrictScalars A I✝) condTFree : CondTFree A c...
case h R✝ : Type u inst✝⁶ : CommRing R✝ A : Type u inst✝⁵ : CommRing A inst✝⁴ : DecidableEq A S✝ : Type u inst✝³ : CommRing S✝ inst✝² : Algebra A S✝ I✝ : Ideal S✝ hI✝ : DividedPowers I✝ S₀✝ : Subalgebra A S✝ hIS₀✝ : IsCompl (Subalgebra.toSubmodule S₀✝) (Submodule.restrictScalars A I✝) condTFree : CondTFree A condD : Co...
Please generate a tactic in lean4 to solve the state. STATE: case h.refine_2 R✝ : Type u inst✝⁶ : CommRing R✝ A : Type u inst✝⁵ : CommRing A inst✝⁴ : DecidableEq A S✝ : Type u inst✝³ : CommRing S✝ inst✝² : Algebra A S✝ I✝ : Ideal S✝ hI✝ : DividedPowers I✝ S₀✝ : Subalgebra A S✝ hIS₀✝ : IsCompl (Subalgebra.toSubmodule S₀...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/DPAlgebra/Dpow.lean
DividedPowerAlgebra.T_free_and_D_to_QSplit
[506, 1]
[595, 17]
have hI_le : Ideal.map (Ψ A S hI S₀) idK ≤ I := by convert (dpΨ A S hI S₀ condTFree hM hM_eq).ideal_comp
case h R✝ : Type u inst✝⁶ : CommRing R✝ A : Type u inst✝⁵ : CommRing A inst✝⁴ : DecidableEq A S✝ : Type u inst✝³ : CommRing S✝ inst✝² : Algebra A S✝ I✝ : Ideal S✝ hI✝ : DividedPowers I✝ S₀✝ : Subalgebra A S✝ hIS₀✝ : IsCompl (Subalgebra.toSubmodule S₀✝) (Submodule.restrictScalars A I✝) condTFree : CondTFree A condD : Co...
case h R✝ : Type u inst✝⁶ : CommRing R✝ A : Type u inst✝⁵ : CommRing A inst✝⁴ : DecidableEq A S✝ : Type u inst✝³ : CommRing S✝ inst✝² : Algebra A S✝ I✝ : Ideal S✝ hI✝ : DividedPowers I✝ S₀✝ : Subalgebra A S✝ hIS₀✝ : IsCompl (Subalgebra.toSubmodule S₀✝) (Submodule.restrictScalars A I✝) condTFree : CondTFree A condD : Co...
Please generate a tactic in lean4 to solve the state. STATE: case h R✝ : Type u inst✝⁶ : CommRing R✝ A : Type u inst✝⁵ : CommRing A inst✝⁴ : DecidableEq A S✝ : Type u inst✝³ : CommRing S✝ inst✝² : Algebra A S✝ I✝ : Ideal S✝ hI✝ : DividedPowers I✝ S₀✝ : Subalgebra A S✝ hIS₀✝ : IsCompl (Subalgebra.toSubmodule S₀✝) (Submo...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/DPAlgebra/Dpow.lean
DividedPowerAlgebra.T_free_and_D_to_QSplit
[506, 1]
[595, 17]
constructor
case h R✝ : Type u inst✝⁶ : CommRing R✝ A : Type u inst✝⁵ : CommRing A inst✝⁴ : DecidableEq A S✝ : Type u inst✝³ : CommRing S✝ inst✝² : Algebra A S✝ I✝ : Ideal S✝ hI✝ : DividedPowers I✝ S₀✝ : Subalgebra A S✝ hIS₀✝ : IsCompl (Subalgebra.toSubmodule S₀✝) (Submodule.restrictScalars A I✝) condTFree : CondTFree A condD : Co...
case h.left R✝ : Type u inst✝⁶ : CommRing R✝ A : Type u inst✝⁵ : CommRing A inst✝⁴ : DecidableEq A S✝ : Type u inst✝³ : CommRing S✝ inst✝² : Algebra A S✝ I✝ : Ideal S✝ hI✝ : DividedPowers I✝ S₀✝ : Subalgebra A S✝ hIS₀✝ : IsCompl (Subalgebra.toSubmodule S₀✝) (Submodule.restrictScalars A I✝) condTFree : CondTFree A condD...
Please generate a tactic in lean4 to solve the state. STATE: case h R✝ : Type u inst✝⁶ : CommRing R✝ A : Type u inst✝⁵ : CommRing A inst✝⁴ : DecidableEq A S✝ : Type u inst✝³ : CommRing S✝ inst✝² : Algebra A S✝ I✝ : Ideal S✝ hI✝ : DividedPowers I✝ S₀✝ : Subalgebra A S✝ hIS₀✝ : IsCompl (Subalgebra.toSubmodule S₀✝) (Submo...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/DPAlgebra/Dpow.lean
DividedPowerAlgebra.T_free_and_D_to_QSplit
[506, 1]
[595, 17]
constructor
case h.right R✝ : Type u inst✝⁶ : CommRing R✝ A : Type u inst✝⁵ : CommRing A inst✝⁴ : DecidableEq A S✝ : Type u inst✝³ : CommRing S✝ inst✝² : Algebra A S✝ I✝ : Ideal S✝ hI✝ : DividedPowers I✝ S₀✝ : Subalgebra A S✝ hIS₀✝ : IsCompl (Subalgebra.toSubmodule S₀✝) (Submodule.restrictScalars A I✝) condTFree : CondTFree A cond...
case h.right.left R✝ : Type u inst✝⁶ : CommRing R✝ A : Type u inst✝⁵ : CommRing A inst✝⁴ : DecidableEq A S✝ : Type u inst✝³ : CommRing S✝ inst✝² : Algebra A S✝ I✝ : Ideal S✝ hI✝ : DividedPowers I✝ S₀✝ : Subalgebra A S✝ hIS₀✝ : IsCompl (Subalgebra.toSubmodule S₀✝) (Submodule.restrictScalars A I✝) condTFree : CondTFree A...
Please generate a tactic in lean4 to solve the state. STATE: case h.right R✝ : Type u inst✝⁶ : CommRing R✝ A : Type u inst✝⁵ : CommRing A inst✝⁴ : DecidableEq A S✝ : Type u inst✝³ : CommRing S✝ inst✝² : Algebra A S✝ I✝ : Ideal S✝ hI✝ : DividedPowers I✝ S₀✝ : Subalgebra A S✝ hIS₀✝ : IsCompl (Subalgebra.toSubmodule S₀✝) ...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/DPAlgebra/Dpow.lean
DividedPowerAlgebra.T_free_and_D_to_QSplit
[506, 1]
[595, 17]
apply Ψ_map_eq
case h.right.left R✝ : Type u inst✝⁶ : CommRing R✝ A : Type u inst✝⁵ : CommRing A inst✝⁴ : DecidableEq A S✝ : Type u inst✝³ : CommRing S✝ inst✝² : Algebra A S✝ I✝ : Ideal S✝ hI✝ : DividedPowers I✝ S₀✝ : Subalgebra A S✝ hIS₀✝ : IsCompl (Subalgebra.toSubmodule S₀✝) (Submodule.restrictScalars A I✝) condTFree : CondTFree A...
case h.right.right R✝ : Type u inst✝⁶ : CommRing R✝ A : Type u inst✝⁵ : CommRing A inst✝⁴ : DecidableEq A S✝ : Type u inst✝³ : CommRing S✝ inst✝² : Algebra A S✝ I✝ : Ideal S✝ hI✝ : DividedPowers I✝ S₀✝ : Subalgebra A S✝ hIS₀✝ : IsCompl (Subalgebra.toSubmodule S₀✝) (Submodule.restrictScalars A I✝) condTFree : CondTFree ...
Please generate a tactic in lean4 to solve the state. STATE: case h.right.left R✝ : Type u inst✝⁶ : CommRing R✝ A : Type u inst✝⁵ : CommRing A inst✝⁴ : DecidableEq A S✝ : Type u inst✝³ : CommRing S✝ inst✝² : Algebra A S✝ I✝ : Ideal S✝ hI✝ : DividedPowers I✝ S₀✝ : Subalgebra A S✝ hIS₀✝ : IsCompl (Subalgebra.toSubmodule ...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/DPAlgebra/Dpow.lean
DividedPowerAlgebra.T_free_and_D_to_QSplit
[506, 1]
[595, 17]
constructor
case h.right.right R✝ : Type u inst✝⁶ : CommRing R✝ A : Type u inst✝⁵ : CommRing A inst✝⁴ : DecidableEq A S✝ : Type u inst✝³ : CommRing S✝ inst✝² : Algebra A S✝ I✝ : Ideal S✝ hI✝ : DividedPowers I✝ S₀✝ : Subalgebra A S✝ hIS₀✝ : IsCompl (Subalgebra.toSubmodule S₀✝) (Submodule.restrictScalars A I✝) condTFree : CondTFree ...
case h.right.right.left R✝ : Type u inst✝⁶ : CommRing R✝ A : Type u inst✝⁵ : CommRing A inst✝⁴ : DecidableEq A S✝ : Type u inst✝³ : CommRing S✝ inst✝² : Algebra A S✝ I✝ : Ideal S✝ hI✝ : DividedPowers I✝ S₀✝ : Subalgebra A S✝ hIS₀✝ : IsCompl (Subalgebra.toSubmodule S₀✝) (Submodule.restrictScalars A I✝) condTFree : CondT...
Please generate a tactic in lean4 to solve the state. STATE: case h.right.right R✝ : Type u inst✝⁶ : CommRing R✝ A : Type u inst✝⁵ : CommRing A inst✝⁴ : DecidableEq A S✝ : Type u inst✝³ : CommRing S✝ inst✝² : Algebra A S✝ I✝ : Ideal S✝ hI✝ : DividedPowers I✝ S₀✝ : Subalgebra A S✝ hIS₀✝ : IsCompl (Subalgebra.toSubmodule...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/DPAlgebra/Dpow.lean
DividedPowerAlgebra.T_free_and_D_to_QSplit
[506, 1]
[595, 17]
constructor
case h.right.right.right R✝ : Type u inst✝⁶ : CommRing R✝ A : Type u inst✝⁵ : CommRing A inst✝⁴ : DecidableEq A S✝ : Type u inst✝³ : CommRing S✝ inst✝² : Algebra A S✝ I✝ : Ideal S✝ hI✝ : DividedPowers I✝ S₀✝ : Subalgebra A S✝ hIS₀✝ : IsCompl (Subalgebra.toSubmodule S₀✝) (Submodule.restrictScalars A I✝) condTFree : Cond...
case h.right.right.right.left R✝ : Type u inst✝⁶ : CommRing R✝ A : Type u inst✝⁵ : CommRing A inst✝⁴ : DecidableEq A S✝ : Type u inst✝³ : CommRing S✝ inst✝² : Algebra A S✝ I✝ : Ideal S✝ hI✝ : DividedPowers I✝ S₀✝ : Subalgebra A S✝ hIS₀✝ : IsCompl (Subalgebra.toSubmodule S₀✝) (Submodule.restrictScalars A I✝) condTFree :...
Please generate a tactic in lean4 to solve the state. STATE: case h.right.right.right R✝ : Type u inst✝⁶ : CommRing R✝ A : Type u inst✝⁵ : CommRing A inst✝⁴ : DecidableEq A S✝ : Type u inst✝³ : CommRing S✝ inst✝² : Algebra A S✝ I✝ : Ideal S✝ hI✝ : DividedPowers I✝ S₀✝ : Subalgebra A S✝ hIS₀✝ : IsCompl (Subalgebra.toSub...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/DPAlgebra/Dpow.lean
DividedPowerAlgebra.T_free_and_D_to_QSplit
[506, 1]
[595, 17]
infer_instance
case h.right.right.right.right R✝ : Type u inst✝⁶ : CommRing R✝ A : Type u inst✝⁵ : CommRing A inst✝⁴ : DecidableEq A S✝ : Type u inst✝³ : CommRing S✝ inst✝² : Algebra A S✝ I✝ : Ideal S✝ hI✝ : DividedPowers I✝ S₀✝ : Subalgebra A S✝ hIS₀✝ : IsCompl (Subalgebra.toSubmodule S₀✝) (Submodule.restrictScalars A I✝) condTFree ...
no goals
Please generate a tactic in lean4 to solve the state. STATE: case h.right.right.right.right R✝ : Type u inst✝⁶ : CommRing R✝ A : Type u inst✝⁵ : CommRing A inst✝⁴ : DecidableEq A S✝ : Type u inst✝³ : CommRing S✝ inst✝² : Algebra A S✝ I✝ : Ideal S✝ hI✝ : DividedPowers I✝ S₀✝ : Subalgebra A S✝ hIS₀✝ : IsCompl (Subalgebra...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/DPAlgebra/Dpow.lean
DividedPowerAlgebra.T_free_and_D_to_QSplit
[506, 1]
[595, 17]
infer_instance
R✝ : Type u inst✝⁶ : CommRing R✝ A : Type u inst✝⁵ : CommRing A inst✝⁴ : DecidableEq A S✝ : Type u inst✝³ : CommRing S✝ inst✝² : Algebra A S✝ I✝ : Ideal S✝ hI✝ : DividedPowers I✝ S₀✝ : Subalgebra A S✝ hIS₀✝ : IsCompl (Subalgebra.toSubmodule S₀✝) (Submodule.restrictScalars A I✝) condTFree : CondTFree A condD : CondD A h...
no goals
Please generate a tactic in lean4 to solve the state. STATE: R✝ : Type u inst✝⁶ : CommRing R✝ A : Type u inst✝⁵ : CommRing A inst✝⁴ : DecidableEq A S✝ : Type u inst✝³ : CommRing S✝ inst✝² : Algebra A S✝ I✝ : Ideal S✝ hI✝ : DividedPowers I✝ S₀✝ : Subalgebra A S✝ hIS₀✝ : IsCompl (Subalgebra.toSubmodule S₀✝) (Submodule.re...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/DPAlgebra/Dpow.lean
DividedPowerAlgebra.T_free_and_D_to_QSplit
[506, 1]
[595, 17]
infer_instance
R✝ : Type u inst✝⁶ : CommRing R✝ A : Type u inst✝⁵ : CommRing A inst✝⁴ : DecidableEq A S✝ : Type u inst✝³ : CommRing S✝ inst✝² : Algebra A S✝ I✝ : Ideal S✝ hI✝ : DividedPowers I✝ S₀✝ : Subalgebra A S✝ hIS₀✝ : IsCompl (Subalgebra.toSubmodule S₀✝) (Submodule.restrictScalars A I✝) condTFree : CondTFree A condD : CondD A h...
no goals
Please generate a tactic in lean4 to solve the state. STATE: R✝ : Type u inst✝⁶ : CommRing R✝ A : Type u inst✝⁵ : CommRing A inst✝⁴ : DecidableEq A S✝ : Type u inst✝³ : CommRing S✝ inst✝² : Algebra A S✝ I✝ : Ideal S✝ hI✝ : DividedPowers I✝ S₀✝ : Subalgebra A S✝ hIS₀✝ : IsCompl (Subalgebra.toSubmodule S₀✝) (Submodule.re...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/DPAlgebra/Dpow.lean
DividedPowerAlgebra.T_free_and_D_to_QSplit
[506, 1]
[595, 17]
simp only [K, Ideal.map_bot, i2, ge_iff_le, bot_le, sup_of_le_right, idK]
R✝ : Type u inst✝⁶ : CommRing R✝ A : Type u inst✝⁵ : CommRing A inst✝⁴ : DecidableEq A S✝ : Type u inst✝³ : CommRing S✝ inst✝² : Algebra A S✝ I✝ : Ideal S✝ hI✝ : DividedPowers I✝ S₀✝ : Subalgebra A S✝ hIS₀✝ : IsCompl (Subalgebra.toSubmodule S₀✝) (Submodule.restrictScalars A I✝) condTFree : CondTFree A condD : CondD A h...
no goals
Please generate a tactic in lean4 to solve the state. STATE: R✝ : Type u inst✝⁶ : CommRing R✝ A : Type u inst✝⁵ : CommRing A inst✝⁴ : DecidableEq A S✝ : Type u inst✝³ : CommRing S✝ inst✝² : Algebra A S✝ I✝ : Ideal S✝ hI✝ : DividedPowers I✝ S₀✝ : Subalgebra A S✝ hIS₀✝ : IsCompl (Subalgebra.toSubmodule S₀✝) (Submodule.re...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/DPAlgebra/Dpow.lean
DividedPowerAlgebra.T_free_and_D_to_QSplit
[506, 1]
[595, 17]
apply Algebra.TensorProduct.includeLeft
R✝ : Type u inst✝⁶ : CommRing R✝ A : Type u inst✝⁵ : CommRing A inst✝⁴ : DecidableEq A S✝ : Type u inst✝³ : CommRing S✝ inst✝² : Algebra A S✝ I✝ : Ideal S✝ hI✝ : DividedPowers I✝ S₀✝ : Subalgebra A S✝ hIS₀✝ : IsCompl (Subalgebra.toSubmodule S₀✝) (Submodule.restrictScalars A I✝) condTFree : CondTFree A condD : CondD A h...
no goals
Please generate a tactic in lean4 to solve the state. STATE: R✝ : Type u inst✝⁶ : CommRing R✝ A : Type u inst✝⁵ : CommRing A inst✝⁴ : DecidableEq A S✝ : Type u inst✝³ : CommRing S✝ inst✝² : Algebra A S✝ I✝ : Ideal S✝ hI✝ : DividedPowers I✝ S₀✝ : Subalgebra A S✝ hIS₀✝ : IsCompl (Subalgebra.toSubmodule S₀✝) (Submodule.re...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/DPAlgebra/Dpow.lean
DividedPowerAlgebra.T_free_and_D_to_QSplit
[506, 1]
[595, 17]
rw [hidK]
case h.refine_1 R✝ : Type u inst✝⁶ : CommRing R✝ A : Type u inst✝⁵ : CommRing A inst✝⁴ : DecidableEq A S✝ : Type u inst✝³ : CommRing S✝ inst✝² : Algebra A S✝ I✝ : Ideal S✝ hI✝ : DividedPowers I✝ S₀✝ : Subalgebra A S✝ hIS₀✝ : IsCompl (Subalgebra.toSubmodule S₀✝) (Submodule.restrictScalars A I✝) condTFree : CondTFree A c...
case h.refine_1 R✝ : Type u inst✝⁶ : CommRing R✝ A : Type u inst✝⁵ : CommRing A inst✝⁴ : DecidableEq A S✝ : Type u inst✝³ : CommRing S✝ inst✝² : Algebra A S✝ I✝ : Ideal S✝ hI✝ : DividedPowers I✝ S₀✝ : Subalgebra A S✝ hIS₀✝ : IsCompl (Subalgebra.toSubmodule S₀✝) (Submodule.restrictScalars A I✝) condTFree : CondTFree A c...
Please generate a tactic in lean4 to solve the state. STATE: case h.refine_1 R✝ : Type u inst✝⁶ : CommRing R✝ A : Type u inst✝⁵ : CommRing A inst✝⁴ : DecidableEq A S✝ : Type u inst✝³ : CommRing S✝ inst✝² : Algebra A S✝ I✝ : Ideal S✝ hI✝ : DividedPowers I✝ S₀✝ : Subalgebra A S✝ hIS₀✝ : IsCompl (Subalgebra.toSubmodule S₀...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/DPAlgebra/Dpow.lean
DividedPowerAlgebra.T_free_and_D_to_QSplit
[506, 1]
[595, 17]
obtain ⟨hd, hc⟩ := Ideal.isAugmentation_baseChange (isCompl_augIdeal A M) (R := MvPolynomial S₀ A)
case h.refine_1 R✝ : Type u inst✝⁶ : CommRing R✝ A : Type u inst✝⁵ : CommRing A inst✝⁴ : DecidableEq A S✝ : Type u inst✝³ : CommRing S✝ inst✝² : Algebra A S✝ I✝ : Ideal S✝ hI✝ : DividedPowers I✝ S₀✝ : Subalgebra A S✝ hIS₀✝ : IsCompl (Subalgebra.toSubmodule S₀✝) (Submodule.restrictScalars A I✝) condTFree : CondTFree A c...
case h.refine_1.mk R✝ : Type u inst✝⁶ : CommRing R✝ A : Type u inst✝⁵ : CommRing A inst✝⁴ : DecidableEq A S✝ : Type u inst✝³ : CommRing S✝ inst✝² : Algebra A S✝ I✝ : Ideal S✝ hI✝ : DividedPowers I✝ S₀✝ : Subalgebra A S✝ hIS₀✝ : IsCompl (Subalgebra.toSubmodule S₀✝) (Submodule.restrictScalars A I✝) condTFree : CondTFree ...
Please generate a tactic in lean4 to solve the state. STATE: case h.refine_1 R✝ : Type u inst✝⁶ : CommRing R✝ A : Type u inst✝⁵ : CommRing A inst✝⁴ : DecidableEq A S✝ : Type u inst✝³ : CommRing S✝ inst✝² : Algebra A S✝ I✝ : Ideal S✝ hI✝ : DividedPowers I✝ S₀✝ : Subalgebra A S✝ hIS₀✝ : IsCompl (Subalgebra.toSubmodule S₀...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/DPAlgebra/Dpow.lean
DividedPowerAlgebra.T_free_and_D_to_QSplit
[506, 1]
[595, 17]
apply IsCompl.mk
case h.refine_1.mk R✝ : Type u inst✝⁶ : CommRing R✝ A : Type u inst✝⁵ : CommRing A inst✝⁴ : DecidableEq A S✝ : Type u inst✝³ : CommRing S✝ inst✝² : Algebra A S✝ I✝ : Ideal S✝ hI✝ : DividedPowers I✝ S₀✝ : Subalgebra A S✝ hIS₀✝ : IsCompl (Subalgebra.toSubmodule S₀✝) (Submodule.restrictScalars A I✝) condTFree : CondTFree ...
case h.refine_1.mk.disjoint R✝ : Type u inst✝⁶ : CommRing R✝ A : Type u inst✝⁵ : CommRing A inst✝⁴ : DecidableEq A S✝ : Type u inst✝³ : CommRing S✝ inst✝² : Algebra A S✝ I✝ : Ideal S✝ hI✝ : DividedPowers I✝ S₀✝ : Subalgebra A S✝ hIS₀✝ : IsCompl (Subalgebra.toSubmodule S₀✝) (Submodule.restrictScalars A I✝) condTFree : C...
Please generate a tactic in lean4 to solve the state. STATE: case h.refine_1.mk R✝ : Type u inst✝⁶ : CommRing R✝ A : Type u inst✝⁵ : CommRing A inst✝⁴ : DecidableEq A S✝ : Type u inst✝³ : CommRing S✝ inst✝² : Algebra A S✝ I✝ : Ideal S✝ hI✝ : DividedPowers I✝ S₀✝ : Subalgebra A S✝ hIS₀✝ : IsCompl (Subalgebra.toSubmodule...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/DPAlgebra/Dpow.lean
DividedPowerAlgebra.T_free_and_D_to_QSplit
[506, 1]
[595, 17]
simp only [Submodule.disjoint_def, Subalgebra.mem_toSubmodule, Submodule.restrictScalars_mem] at hd ⊢
case h.refine_1.mk.disjoint R✝ : Type u inst✝⁶ : CommRing R✝ A : Type u inst✝⁵ : CommRing A inst✝⁴ : DecidableEq A S✝ : Type u inst✝³ : CommRing S✝ inst✝² : Algebra A S✝ I✝ : Ideal S✝ hI✝ : DividedPowers I✝ S₀✝ : Subalgebra A S✝ hIS₀✝ : IsCompl (Subalgebra.toSubmodule S₀✝) (Submodule.restrictScalars A I✝) condTFree : C...
case h.refine_1.mk.disjoint R✝ : Type u inst✝⁶ : CommRing R✝ A : Type u inst✝⁵ : CommRing A inst✝⁴ : DecidableEq A S✝ : Type u inst✝³ : CommRing S✝ inst✝² : Algebra A S✝ I✝ : Ideal S✝ hI✝ : DividedPowers I✝ S₀✝ : Subalgebra A S✝ hIS₀✝ : IsCompl (Subalgebra.toSubmodule S₀✝) (Submodule.restrictScalars A I✝) condTFree : C...
Please generate a tactic in lean4 to solve the state. STATE: case h.refine_1.mk.disjoint R✝ : Type u inst✝⁶ : CommRing R✝ A : Type u inst✝⁵ : CommRing A inst✝⁴ : DecidableEq A S✝ : Type u inst✝³ : CommRing S✝ inst✝² : Algebra A S✝ I✝ : Ideal S✝ hI✝ : DividedPowers I✝ S₀✝ : Subalgebra A S✝ hIS₀✝ : IsCompl (Subalgebra.to...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/DPAlgebra/Dpow.lean
DividedPowerAlgebra.T_free_and_D_to_QSplit
[506, 1]
[595, 17]
intro x hx hx'
case h.refine_1.mk.disjoint R✝ : Type u inst✝⁶ : CommRing R✝ A : Type u inst✝⁵ : CommRing A inst✝⁴ : DecidableEq A S✝ : Type u inst✝³ : CommRing S✝ inst✝² : Algebra A S✝ I✝ : Ideal S✝ hI✝ : DividedPowers I✝ S₀✝ : Subalgebra A S✝ hIS₀✝ : IsCompl (Subalgebra.toSubmodule S₀✝) (Submodule.restrictScalars A I✝) condTFree : C...
case h.refine_1.mk.disjoint R✝ : Type u inst✝⁶ : CommRing R✝ A : Type u inst✝⁵ : CommRing A inst✝⁴ : DecidableEq A S✝ : Type u inst✝³ : CommRing S✝ inst✝² : Algebra A S✝ I✝ : Ideal S✝ hI✝ : DividedPowers I✝ S₀✝ : Subalgebra A S✝ hIS₀✝ : IsCompl (Subalgebra.toSubmodule S₀✝) (Submodule.restrictScalars A I✝) condTFree : C...
Please generate a tactic in lean4 to solve the state. STATE: case h.refine_1.mk.disjoint R✝ : Type u inst✝⁶ : CommRing R✝ A : Type u inst✝⁵ : CommRing A inst✝⁴ : DecidableEq A S✝ : Type u inst✝³ : CommRing S✝ inst✝² : Algebra A S✝ I✝ : Ideal S✝ hI✝ : DividedPowers I✝ S₀✝ : Subalgebra A S✝ hIS₀✝ : IsCompl (Subalgebra.to...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/DPAlgebra/Dpow.lean
DividedPowerAlgebra.T_free_and_D_to_QSplit
[506, 1]
[595, 17]
refine hd x ?_ hx'
case h.refine_1.mk.disjoint R✝ : Type u inst✝⁶ : CommRing R✝ A : Type u inst✝⁵ : CommRing A inst✝⁴ : DecidableEq A S✝ : Type u inst✝³ : CommRing S✝ inst✝² : Algebra A S✝ I✝ : Ideal S✝ hI✝ : DividedPowers I✝ S₀✝ : Subalgebra A S✝ hIS₀✝ : IsCompl (Subalgebra.toSubmodule S₀✝) (Submodule.restrictScalars A I✝) condTFree : C...
case h.refine_1.mk.disjoint R✝ : Type u inst✝⁶ : CommRing R✝ A : Type u inst✝⁵ : CommRing A inst✝⁴ : DecidableEq A S✝ : Type u inst✝³ : CommRing S✝ inst✝² : Algebra A S✝ I✝ : Ideal S✝ hI✝ : DividedPowers I✝ S₀✝ : Subalgebra A S✝ hIS₀✝ : IsCompl (Subalgebra.toSubmodule S₀✝) (Submodule.restrictScalars A I✝) condTFree : C...
Please generate a tactic in lean4 to solve the state. STATE: case h.refine_1.mk.disjoint R✝ : Type u inst✝⁶ : CommRing R✝ A : Type u inst✝⁵ : CommRing A inst✝⁴ : DecidableEq A S✝ : Type u inst✝³ : CommRing S✝ inst✝² : Algebra A S✝ I✝ : Ideal S✝ hI✝ : DividedPowers I✝ S₀✝ : Subalgebra A S✝ hIS₀✝ : IsCompl (Subalgebra.to...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/DPAlgebra/Dpow.lean
DividedPowerAlgebra.T_free_and_D_to_QSplit
[506, 1]
[595, 17]
rw [Algebra.mem_bot] at hx
case h.refine_1.mk.disjoint R✝ : Type u inst✝⁶ : CommRing R✝ A : Type u inst✝⁵ : CommRing A inst✝⁴ : DecidableEq A S✝ : Type u inst✝³ : CommRing S✝ inst✝² : Algebra A S✝ I✝ : Ideal S✝ hI✝ : DividedPowers I✝ S₀✝ : Subalgebra A S✝ hIS₀✝ : IsCompl (Subalgebra.toSubmodule S₀✝) (Submodule.restrictScalars A I✝) condTFree : C...
case h.refine_1.mk.disjoint R✝ : Type u inst✝⁶ : CommRing R✝ A : Type u inst✝⁵ : CommRing A inst✝⁴ : DecidableEq A S✝ : Type u inst✝³ : CommRing S✝ inst✝² : Algebra A S✝ I✝ : Ideal S✝ hI✝ : DividedPowers I✝ S₀✝ : Subalgebra A S✝ hIS₀✝ : IsCompl (Subalgebra.toSubmodule S₀✝) (Submodule.restrictScalars A I✝) condTFree : C...
Please generate a tactic in lean4 to solve the state. STATE: case h.refine_1.mk.disjoint R✝ : Type u inst✝⁶ : CommRing R✝ A : Type u inst✝⁵ : CommRing A inst✝⁴ : DecidableEq A S✝ : Type u inst✝³ : CommRing S✝ inst✝² : Algebra A S✝ I✝ : Ideal S✝ hI✝ : DividedPowers I✝ S₀✝ : Subalgebra A S✝ hIS₀✝ : IsCompl (Subalgebra.to...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/DPAlgebra/Dpow.lean
DividedPowerAlgebra.T_free_and_D_to_QSplit
[506, 1]
[595, 17]
obtain ⟨⟨x, hx⟩, rfl⟩ := hx
case h.refine_1.mk.disjoint R✝ : Type u inst✝⁶ : CommRing R✝ A : Type u inst✝⁵ : CommRing A inst✝⁴ : DecidableEq A S✝ : Type u inst✝³ : CommRing S✝ inst✝² : Algebra A S✝ I✝ : Ideal S✝ hI✝ : DividedPowers I✝ S₀✝ : Subalgebra A S✝ hIS₀✝ : IsCompl (Subalgebra.toSubmodule S₀✝) (Submodule.restrictScalars A I✝) condTFree : C...
case h.refine_1.mk.disjoint.intro.mk R✝ : Type u inst✝⁶ : CommRing R✝ A : Type u inst✝⁵ : CommRing A inst✝⁴ : DecidableEq A S✝ : Type u inst✝³ : CommRing S✝ inst✝² : Algebra A S✝ I✝ : Ideal S✝ hI✝ : DividedPowers I✝ S₀✝ : Subalgebra A S✝ hIS₀✝ : IsCompl (Subalgebra.toSubmodule S₀✝) (Submodule.restrictScalars A I✝) cond...
Please generate a tactic in lean4 to solve the state. STATE: case h.refine_1.mk.disjoint R✝ : Type u inst✝⁶ : CommRing R✝ A : Type u inst✝⁵ : CommRing A inst✝⁴ : DecidableEq A S✝ : Type u inst✝³ : CommRing S✝ inst✝² : Algebra A S✝ I✝ : Ideal S✝ hI✝ : DividedPowers I✝ S₀✝ : Subalgebra A S✝ hIS₀✝ : IsCompl (Subalgebra.to...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/DPAlgebra/Dpow.lean
DividedPowerAlgebra.T_free_and_D_to_QSplit
[506, 1]
[595, 17]
simp only [Subalgebra.mem_restrictScalars, Algebra.mem_bot] at hx
case h.refine_1.mk.disjoint.intro.mk R✝ : Type u inst✝⁶ : CommRing R✝ A : Type u inst✝⁵ : CommRing A inst✝⁴ : DecidableEq A S✝ : Type u inst✝³ : CommRing S✝ inst✝² : Algebra A S✝ I✝ : Ideal S✝ hI✝ : DividedPowers I✝ S₀✝ : Subalgebra A S✝ hIS₀✝ : IsCompl (Subalgebra.toSubmodule S₀✝) (Submodule.restrictScalars A I✝) cond...
case h.refine_1.mk.disjoint.intro.mk R✝ : Type u inst✝⁶ : CommRing R✝ A : Type u inst✝⁵ : CommRing A inst✝⁴ : DecidableEq A S✝ : Type u inst✝³ : CommRing S✝ inst✝² : Algebra A S✝ I✝ : Ideal S✝ hI✝ : DividedPowers I✝ S₀✝ : Subalgebra A S✝ hIS₀✝ : IsCompl (Subalgebra.toSubmodule S₀✝) (Submodule.restrictScalars A I✝) cond...
Please generate a tactic in lean4 to solve the state. STATE: case h.refine_1.mk.disjoint.intro.mk R✝ : Type u inst✝⁶ : CommRing R✝ A : Type u inst✝⁵ : CommRing A inst✝⁴ : DecidableEq A S✝ : Type u inst✝³ : CommRing S✝ inst✝² : Algebra A S✝ I✝ : Ideal S✝ hI✝ : DividedPowers I✝ S₀✝ : Subalgebra A S✝ hIS₀✝ : IsCompl (Suba...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/DPAlgebra/Dpow.lean
DividedPowerAlgebra.T_free_and_D_to_QSplit
[506, 1]
[595, 17]
obtain ⟨x, rfl⟩ := hx
case h.refine_1.mk.disjoint.intro.mk R✝ : Type u inst✝⁶ : CommRing R✝ A : Type u inst✝⁵ : CommRing A inst✝⁴ : DecidableEq A S✝ : Type u inst✝³ : CommRing S✝ inst✝² : Algebra A S✝ I✝ : Ideal S✝ hI✝ : DividedPowers I✝ S₀✝ : Subalgebra A S✝ hIS₀✝ : IsCompl (Subalgebra.toSubmodule S₀✝) (Submodule.restrictScalars A I✝) cond...
case h.refine_1.mk.disjoint.intro.mk.intro R✝ : Type u inst✝⁶ : CommRing R✝ A : Type u inst✝⁵ : CommRing A inst✝⁴ : DecidableEq A S✝ : Type u inst✝³ : CommRing S✝ inst✝² : Algebra A S✝ I✝ : Ideal S✝ hI✝ : DividedPowers I✝ S₀✝ : Subalgebra A S✝ hIS₀✝ : IsCompl (Subalgebra.toSubmodule S₀✝) (Submodule.restrictScalars A I✝...
Please generate a tactic in lean4 to solve the state. STATE: case h.refine_1.mk.disjoint.intro.mk R✝ : Type u inst✝⁶ : CommRing R✝ A : Type u inst✝⁵ : CommRing A inst✝⁴ : DecidableEq A S✝ : Type u inst✝³ : CommRing S✝ inst✝² : Algebra A S✝ I✝ : Ideal S✝ hI✝ : DividedPowers I✝ S₀✝ : Subalgebra A S✝ hIS₀✝ : IsCompl (Suba...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/DPAlgebra/Dpow.lean
DividedPowerAlgebra.T_free_and_D_to_QSplit
[506, 1]
[595, 17]
rw [Algebra.mem_bot]
case h.refine_1.mk.disjoint.intro.mk.intro R✝ : Type u inst✝⁶ : CommRing R✝ A : Type u inst✝⁵ : CommRing A inst✝⁴ : DecidableEq A S✝ : Type u inst✝³ : CommRing S✝ inst✝² : Algebra A S✝ I✝ : Ideal S✝ hI✝ : DividedPowers I✝ S₀✝ : Subalgebra A S✝ hIS₀✝ : IsCompl (Subalgebra.toSubmodule S₀✝) (Submodule.restrictScalars A I✝...
case h.refine_1.mk.disjoint.intro.mk.intro R✝ : Type u inst✝⁶ : CommRing R✝ A : Type u inst✝⁵ : CommRing A inst✝⁴ : DecidableEq A S✝ : Type u inst✝³ : CommRing S✝ inst✝² : Algebra A S✝ I✝ : Ideal S✝ hI✝ : DividedPowers I✝ S₀✝ : Subalgebra A S✝ hIS₀✝ : IsCompl (Subalgebra.toSubmodule S₀✝) (Submodule.restrictScalars A I✝...
Please generate a tactic in lean4 to solve the state. STATE: case h.refine_1.mk.disjoint.intro.mk.intro R✝ : Type u inst✝⁶ : CommRing R✝ A : Type u inst✝⁵ : CommRing A inst✝⁴ : DecidableEq A S✝ : Type u inst✝³ : CommRing S✝ inst✝² : Algebra A S✝ I✝ : Ideal S✝ hI✝ : DividedPowers I✝ S₀✝ : Subalgebra A S✝ hIS₀✝ : IsCompl...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/DPAlgebra/Dpow.lean
DividedPowerAlgebra.T_free_and_D_to_QSplit
[506, 1]
[595, 17]
exact ⟨x, rfl⟩
case h.refine_1.mk.disjoint.intro.mk.intro R✝ : Type u inst✝⁶ : CommRing R✝ A : Type u inst✝⁵ : CommRing A inst✝⁴ : DecidableEq A S✝ : Type u inst✝³ : CommRing S✝ inst✝² : Algebra A S✝ I✝ : Ideal S✝ hI✝ : DividedPowers I✝ S₀✝ : Subalgebra A S✝ hIS₀✝ : IsCompl (Subalgebra.toSubmodule S₀✝) (Submodule.restrictScalars A I✝...
no goals
Please generate a tactic in lean4 to solve the state. STATE: case h.refine_1.mk.disjoint.intro.mk.intro R✝ : Type u inst✝⁶ : CommRing R✝ A : Type u inst✝⁵ : CommRing A inst✝⁴ : DecidableEq A S✝ : Type u inst✝³ : CommRing S✝ inst✝² : Algebra A S✝ I✝ : Ideal S✝ hI✝ : DividedPowers I✝ S₀✝ : Subalgebra A S✝ hIS₀✝ : IsCompl...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/DPAlgebra/Dpow.lean
DividedPowerAlgebra.T_free_and_D_to_QSplit
[506, 1]
[595, 17]
simp only [codisjoint_iff, eq_top_iff]
case h.refine_1.mk.codisjoint R✝ : Type u inst✝⁶ : CommRing R✝ A : Type u inst✝⁵ : CommRing A inst✝⁴ : DecidableEq A S✝ : Type u inst✝³ : CommRing S✝ inst✝² : Algebra A S✝ I✝ : Ideal S✝ hI✝ : DividedPowers I✝ S₀✝ : Subalgebra A S✝ hIS₀✝ : IsCompl (Subalgebra.toSubmodule S₀✝) (Submodule.restrictScalars A I✝) condTFree :...
case h.refine_1.mk.codisjoint R✝ : Type u inst✝⁶ : CommRing R✝ A : Type u inst✝⁵ : CommRing A inst✝⁴ : DecidableEq A S✝ : Type u inst✝³ : CommRing S✝ inst✝² : Algebra A S✝ I✝ : Ideal S✝ hI✝ : DividedPowers I✝ S₀✝ : Subalgebra A S✝ hIS₀✝ : IsCompl (Subalgebra.toSubmodule S₀✝) (Submodule.restrictScalars A I✝) condTFree :...
Please generate a tactic in lean4 to solve the state. STATE: case h.refine_1.mk.codisjoint R✝ : Type u inst✝⁶ : CommRing R✝ A : Type u inst✝⁵ : CommRing A inst✝⁴ : DecidableEq A S✝ : Type u inst✝³ : CommRing S✝ inst✝² : Algebra A S✝ I✝ : Ideal S✝ hI✝ : DividedPowers I✝ S₀✝ : Subalgebra A S✝ hIS₀✝ : IsCompl (Subalgebra....
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/DPAlgebra/Dpow.lean
DividedPowerAlgebra.T_free_and_D_to_QSplit
[506, 1]
[595, 17]
intro x _
case h.refine_1.mk.codisjoint R✝ : Type u inst✝⁶ : CommRing R✝ A : Type u inst✝⁵ : CommRing A inst✝⁴ : DecidableEq A S✝ : Type u inst✝³ : CommRing S✝ inst✝² : Algebra A S✝ I✝ : Ideal S✝ hI✝ : DividedPowers I✝ S₀✝ : Subalgebra A S✝ hIS₀✝ : IsCompl (Subalgebra.toSubmodule S₀✝) (Submodule.restrictScalars A I✝) condTFree :...
case h.refine_1.mk.codisjoint R✝ : Type u inst✝⁶ : CommRing R✝ A : Type u inst✝⁵ : CommRing A inst✝⁴ : DecidableEq A S✝ : Type u inst✝³ : CommRing S✝ inst✝² : Algebra A S✝ I✝ : Ideal S✝ hI✝ : DividedPowers I✝ S₀✝ : Subalgebra A S✝ hIS₀✝ : IsCompl (Subalgebra.toSubmodule S₀✝) (Submodule.restrictScalars A I✝) condTFree :...
Please generate a tactic in lean4 to solve the state. STATE: case h.refine_1.mk.codisjoint R✝ : Type u inst✝⁶ : CommRing R✝ A : Type u inst✝⁵ : CommRing A inst✝⁴ : DecidableEq A S✝ : Type u inst✝³ : CommRing S✝ inst✝² : Algebra A S✝ I✝ : Ideal S✝ hI✝ : DividedPowers I✝ S₀✝ : Subalgebra A S✝ hIS₀✝ : IsCompl (Subalgebra....
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/DPAlgebra/Dpow.lean
DividedPowerAlgebra.T_free_and_D_to_QSplit
[506, 1]
[595, 17]
rw [Submodule.mem_sup]
case h.refine_1.mk.codisjoint R✝ : Type u inst✝⁶ : CommRing R✝ A : Type u inst✝⁵ : CommRing A inst✝⁴ : DecidableEq A S✝ : Type u inst✝³ : CommRing S✝ inst✝² : Algebra A S✝ I✝ : Ideal S✝ hI✝ : DividedPowers I✝ S₀✝ : Subalgebra A S✝ hIS₀✝ : IsCompl (Subalgebra.toSubmodule S₀✝) (Submodule.restrictScalars A I✝) condTFree :...
case h.refine_1.mk.codisjoint R✝ : Type u inst✝⁶ : CommRing R✝ A : Type u inst✝⁵ : CommRing A inst✝⁴ : DecidableEq A S✝ : Type u inst✝³ : CommRing S✝ inst✝² : Algebra A S✝ I✝ : Ideal S✝ hI✝ : DividedPowers I✝ S₀✝ : Subalgebra A S✝ hIS₀✝ : IsCompl (Subalgebra.toSubmodule S₀✝) (Submodule.restrictScalars A I✝) condTFree :...
Please generate a tactic in lean4 to solve the state. STATE: case h.refine_1.mk.codisjoint R✝ : Type u inst✝⁶ : CommRing R✝ A : Type u inst✝⁵ : CommRing A inst✝⁴ : DecidableEq A S✝ : Type u inst✝³ : CommRing S✝ inst✝² : Algebra A S✝ I✝ : Ideal S✝ hI✝ : DividedPowers I✝ S₀✝ : Subalgebra A S✝ hIS₀✝ : IsCompl (Subalgebra....
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/DPAlgebra/Dpow.lean
DividedPowerAlgebra.T_free_and_D_to_QSplit
[506, 1]
[595, 17]
obtain ⟨y, hy, z, hz, rfl⟩ := Submodule.exists_add_eq_of_codisjoint hc x
case h.refine_1.mk.codisjoint R✝ : Type u inst✝⁶ : CommRing R✝ A : Type u inst✝⁵ : CommRing A inst✝⁴ : DecidableEq A S✝ : Type u inst✝³ : CommRing S✝ inst✝² : Algebra A S✝ I✝ : Ideal S✝ hI✝ : DividedPowers I✝ S₀✝ : Subalgebra A S✝ hIS₀✝ : IsCompl (Subalgebra.toSubmodule S₀✝) (Submodule.restrictScalars A I✝) condTFree :...
case h.refine_1.mk.codisjoint.intro.intro.intro.intro R✝ : Type u inst✝⁶ : CommRing R✝ A : Type u inst✝⁵ : CommRing A inst✝⁴ : DecidableEq A S✝ : Type u inst✝³ : CommRing S✝ inst✝² : Algebra A S✝ I✝ : Ideal S✝ hI✝ : DividedPowers I✝ S₀✝ : Subalgebra A S✝ hIS₀✝ : IsCompl (Subalgebra.toSubmodule S₀✝) (Submodule.restrictS...
Please generate a tactic in lean4 to solve the state. STATE: case h.refine_1.mk.codisjoint R✝ : Type u inst✝⁶ : CommRing R✝ A : Type u inst✝⁵ : CommRing A inst✝⁴ : DecidableEq A S✝ : Type u inst✝³ : CommRing S✝ inst✝² : Algebra A S✝ I✝ : Ideal S✝ hI✝ : DividedPowers I✝ S₀✝ : Subalgebra A S✝ hIS₀✝ : IsCompl (Subalgebra....
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/DPAlgebra/Dpow.lean
DividedPowerAlgebra.T_free_and_D_to_QSplit
[506, 1]
[595, 17]
refine ⟨y, ?_, z, hz, rfl⟩
case h.refine_1.mk.codisjoint.intro.intro.intro.intro R✝ : Type u inst✝⁶ : CommRing R✝ A : Type u inst✝⁵ : CommRing A inst✝⁴ : DecidableEq A S✝ : Type u inst✝³ : CommRing S✝ inst✝² : Algebra A S✝ I✝ : Ideal S✝ hI✝ : DividedPowers I✝ S₀✝ : Subalgebra A S✝ hIS₀✝ : IsCompl (Subalgebra.toSubmodule S₀✝) (Submodule.restrictS...
case h.refine_1.mk.codisjoint.intro.intro.intro.intro R✝ : Type u inst✝⁶ : CommRing R✝ A : Type u inst✝⁵ : CommRing A inst✝⁴ : DecidableEq A S✝ : Type u inst✝³ : CommRing S✝ inst✝² : Algebra A S✝ I✝ : Ideal S✝ hI✝ : DividedPowers I✝ S₀✝ : Subalgebra A S✝ hIS₀✝ : IsCompl (Subalgebra.toSubmodule S₀✝) (Submodule.restrictS...
Please generate a tactic in lean4 to solve the state. STATE: case h.refine_1.mk.codisjoint.intro.intro.intro.intro R✝ : Type u inst✝⁶ : CommRing R✝ A : Type u inst✝⁵ : CommRing A inst✝⁴ : DecidableEq A S✝ : Type u inst✝³ : CommRing S✝ inst✝² : Algebra A S✝ I✝ : Ideal S✝ hI✝ : DividedPowers I✝ S₀✝ : Subalgebra A S✝ hIS₀...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/DPAlgebra/Dpow.lean
DividedPowerAlgebra.T_free_and_D_to_QSplit
[506, 1]
[595, 17]
rw [Subalgebra.mem_toSubmodule, Algebra.mem_bot] at hy ⊢
case h.refine_1.mk.codisjoint.intro.intro.intro.intro R✝ : Type u inst✝⁶ : CommRing R✝ A : Type u inst✝⁵ : CommRing A inst✝⁴ : DecidableEq A S✝ : Type u inst✝³ : CommRing S✝ inst✝² : Algebra A S✝ I✝ : Ideal S✝ hI✝ : DividedPowers I✝ S₀✝ : Subalgebra A S✝ hIS₀✝ : IsCompl (Subalgebra.toSubmodule S₀✝) (Submodule.restrictS...
case h.refine_1.mk.codisjoint.intro.intro.intro.intro R✝ : Type u inst✝⁶ : CommRing R✝ A : Type u inst✝⁵ : CommRing A inst✝⁴ : DecidableEq A S✝ : Type u inst✝³ : CommRing S✝ inst✝² : Algebra A S✝ I✝ : Ideal S✝ hI✝ : DividedPowers I✝ S₀✝ : Subalgebra A S✝ hIS₀✝ : IsCompl (Subalgebra.toSubmodule S₀✝) (Submodule.restrictS...
Please generate a tactic in lean4 to solve the state. STATE: case h.refine_1.mk.codisjoint.intro.intro.intro.intro R✝ : Type u inst✝⁶ : CommRing R✝ A : Type u inst✝⁵ : CommRing A inst✝⁴ : DecidableEq A S✝ : Type u inst✝³ : CommRing S✝ inst✝² : Algebra A S✝ I✝ : Ideal S✝ hI✝ : DividedPowers I✝ S₀✝ : Subalgebra A S✝ hIS₀...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/DPAlgebra/Dpow.lean
DividedPowerAlgebra.T_free_and_D_to_QSplit
[506, 1]
[595, 17]
obtain ⟨y, rfl⟩ := hy
case h.refine_1.mk.codisjoint.intro.intro.intro.intro R✝ : Type u inst✝⁶ : CommRing R✝ A : Type u inst✝⁵ : CommRing A inst✝⁴ : DecidableEq A S✝ : Type u inst✝³ : CommRing S✝ inst✝² : Algebra A S✝ I✝ : Ideal S✝ hI✝ : DividedPowers I✝ S₀✝ : Subalgebra A S✝ hIS₀✝ : IsCompl (Subalgebra.toSubmodule S₀✝) (Submodule.restrictS...
case h.refine_1.mk.codisjoint.intro.intro.intro.intro.intro R✝ : Type u inst✝⁶ : CommRing R✝ A : Type u inst✝⁵ : CommRing A inst✝⁴ : DecidableEq A S✝ : Type u inst✝³ : CommRing S✝ inst✝² : Algebra A S✝ I✝ : Ideal S✝ hI✝ : DividedPowers I✝ S₀✝ : Subalgebra A S✝ hIS₀✝ : IsCompl (Subalgebra.toSubmodule S₀✝) (Submodule.res...
Please generate a tactic in lean4 to solve the state. STATE: case h.refine_1.mk.codisjoint.intro.intro.intro.intro R✝ : Type u inst✝⁶ : CommRing R✝ A : Type u inst✝⁵ : CommRing A inst✝⁴ : DecidableEq A S✝ : Type u inst✝³ : CommRing S✝ inst✝² : Algebra A S✝ I✝ : Ideal S✝ hI✝ : DividedPowers I✝ S₀✝ : Subalgebra A S✝ hIS₀...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/DPAlgebra/Dpow.lean
DividedPowerAlgebra.T_free_and_D_to_QSplit
[506, 1]
[595, 17]
simp only [Algebra.TensorProduct.algebraMap_apply, Algebra.id.map_eq_id, RingHom.id_apply, Set.mem_range, Subtype.exists, Subalgebra.mem_restrictScalars]
case h.refine_1.mk.codisjoint.intro.intro.intro.intro.intro R✝ : Type u inst✝⁶ : CommRing R✝ A : Type u inst✝⁵ : CommRing A inst✝⁴ : DecidableEq A S✝ : Type u inst✝³ : CommRing S✝ inst✝² : Algebra A S✝ I✝ : Ideal S✝ hI✝ : DividedPowers I✝ S₀✝ : Subalgebra A S✝ hIS₀✝ : IsCompl (Subalgebra.toSubmodule S₀✝) (Submodule.res...
case h.refine_1.mk.codisjoint.intro.intro.intro.intro.intro R✝ : Type u inst✝⁶ : CommRing R✝ A : Type u inst✝⁵ : CommRing A inst✝⁴ : DecidableEq A S✝ : Type u inst✝³ : CommRing S✝ inst✝² : Algebra A S✝ I✝ : Ideal S✝ hI✝ : DividedPowers I✝ S₀✝ : Subalgebra A S✝ hIS₀✝ : IsCompl (Subalgebra.toSubmodule S₀✝) (Submodule.res...
Please generate a tactic in lean4 to solve the state. STATE: case h.refine_1.mk.codisjoint.intro.intro.intro.intro.intro R✝ : Type u inst✝⁶ : CommRing R✝ A : Type u inst✝⁵ : CommRing A inst✝⁴ : DecidableEq A S✝ : Type u inst✝³ : CommRing S✝ inst✝² : Algebra A S✝ I✝ : Ideal S✝ hI✝ : DividedPowers I✝ S₀✝ : Subalgebra A S...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/DPAlgebra/Dpow.lean
DividedPowerAlgebra.T_free_and_D_to_QSplit
[506, 1]
[595, 17]
refine ⟨y ⊗ₜ[A] 1, ?_, rfl⟩
case h.refine_1.mk.codisjoint.intro.intro.intro.intro.intro R✝ : Type u inst✝⁶ : CommRing R✝ A : Type u inst✝⁵ : CommRing A inst✝⁴ : DecidableEq A S✝ : Type u inst✝³ : CommRing S✝ inst✝² : Algebra A S✝ I✝ : Ideal S✝ hI✝ : DividedPowers I✝ S₀✝ : Subalgebra A S✝ hIS₀✝ : IsCompl (Subalgebra.toSubmodule S₀✝) (Submodule.res...
case h.refine_1.mk.codisjoint.intro.intro.intro.intro.intro R✝ : Type u inst✝⁶ : CommRing R✝ A : Type u inst✝⁵ : CommRing A inst✝⁴ : DecidableEq A S✝ : Type u inst✝³ : CommRing S✝ inst✝² : Algebra A S✝ I✝ : Ideal S✝ hI✝ : DividedPowers I✝ S₀✝ : Subalgebra A S✝ hIS₀✝ : IsCompl (Subalgebra.toSubmodule S₀✝) (Submodule.res...
Please generate a tactic in lean4 to solve the state. STATE: case h.refine_1.mk.codisjoint.intro.intro.intro.intro.intro R✝ : Type u inst✝⁶ : CommRing R✝ A : Type u inst✝⁵ : CommRing A inst✝⁴ : DecidableEq A S✝ : Type u inst✝³ : CommRing S✝ inst✝² : Algebra A S✝ I✝ : Ideal S✝ hI✝ : DividedPowers I✝ S₀✝ : Subalgebra A S...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/DPAlgebra/Dpow.lean
DividedPowerAlgebra.T_free_and_D_to_QSplit
[506, 1]
[595, 17]
rw [Algebra.mem_bot, Set.mem_range]
case h.refine_1.mk.codisjoint.intro.intro.intro.intro.intro R✝ : Type u inst✝⁶ : CommRing R✝ A : Type u inst✝⁵ : CommRing A inst✝⁴ : DecidableEq A S✝ : Type u inst✝³ : CommRing S✝ inst✝² : Algebra A S✝ I✝ : Ideal S✝ hI✝ : DividedPowers I✝ S₀✝ : Subalgebra A S✝ hIS₀✝ : IsCompl (Subalgebra.toSubmodule S₀✝) (Submodule.res...
case h.refine_1.mk.codisjoint.intro.intro.intro.intro.intro R✝ : Type u inst✝⁶ : CommRing R✝ A : Type u inst✝⁵ : CommRing A inst✝⁴ : DecidableEq A S✝ : Type u inst✝³ : CommRing S✝ inst✝² : Algebra A S✝ I✝ : Ideal S✝ hI✝ : DividedPowers I✝ S₀✝ : Subalgebra A S✝ hIS₀✝ : IsCompl (Subalgebra.toSubmodule S₀✝) (Submodule.res...
Please generate a tactic in lean4 to solve the state. STATE: case h.refine_1.mk.codisjoint.intro.intro.intro.intro.intro R✝ : Type u inst✝⁶ : CommRing R✝ A : Type u inst✝⁵ : CommRing A inst✝⁴ : DecidableEq A S✝ : Type u inst✝³ : CommRing S✝ inst✝² : Algebra A S✝ I✝ : Ideal S✝ hI✝ : DividedPowers I✝ S₀✝ : Subalgebra A S...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/DPAlgebra/Dpow.lean
DividedPowerAlgebra.T_free_and_D_to_QSplit
[506, 1]
[595, 17]
exact ⟨y, rfl⟩
case h.refine_1.mk.codisjoint.intro.intro.intro.intro.intro R✝ : Type u inst✝⁶ : CommRing R✝ A : Type u inst✝⁵ : CommRing A inst✝⁴ : DecidableEq A S✝ : Type u inst✝³ : CommRing S✝ inst✝² : Algebra A S✝ I✝ : Ideal S✝ hI✝ : DividedPowers I✝ S₀✝ : Subalgebra A S✝ hIS₀✝ : IsCompl (Subalgebra.toSubmodule S₀✝) (Submodule.res...
no goals
Please generate a tactic in lean4 to solve the state. STATE: case h.refine_1.mk.codisjoint.intro.intro.intro.intro.intro R✝ : Type u inst✝⁶ : CommRing R✝ A : Type u inst✝⁵ : CommRing A inst✝⁴ : DecidableEq A S✝ : Type u inst✝³ : CommRing S✝ inst✝² : Algebra A S✝ I✝ : Ideal S✝ hI✝ : DividedPowers I✝ S₀✝ : Subalgebra A S...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/DPAlgebra/Dpow.lean
DividedPowerAlgebra.T_free_and_D_to_QSplit
[506, 1]
[595, 17]
convert (dpΨ A S hI S₀ condTFree hM hM_eq).ideal_comp
R✝ : Type u inst✝⁶ : CommRing R✝ A : Type u inst✝⁵ : CommRing A inst✝⁴ : DecidableEq A S✝ : Type u inst✝³ : CommRing S✝ inst✝² : Algebra A S✝ I✝ : Ideal S✝ hI✝ : DividedPowers I✝ S₀✝ : Subalgebra A S✝ hIS₀✝ : IsCompl (Subalgebra.toSubmodule S₀✝) (Submodule.restrictScalars A I✝) condTFree : CondTFree A condD : CondD A h...
no goals
Please generate a tactic in lean4 to solve the state. STATE: R✝ : Type u inst✝⁶ : CommRing R✝ A : Type u inst✝⁵ : CommRing A inst✝⁴ : DecidableEq A S✝ : Type u inst✝³ : CommRing S✝ inst✝² : Algebra A S✝ I✝ : Ideal S✝ hI✝ : DividedPowers I✝ S₀✝ : Subalgebra A S✝ hIS₀✝ : IsCompl (Subalgebra.toSubmodule S₀✝) (Submodule.re...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/DPAlgebra/Dpow.lean
DividedPowerAlgebra.T_free_and_D_to_QSplit
[506, 1]
[595, 17]
refine le_antisymm hI_le ?_
case h.left R✝ : Type u inst✝⁶ : CommRing R✝ A : Type u inst✝⁵ : CommRing A inst✝⁴ : DecidableEq A S✝ : Type u inst✝³ : CommRing S✝ inst✝² : Algebra A S✝ I✝ : Ideal S✝ hI✝ : DividedPowers I✝ S₀✝ : Subalgebra A S✝ hIS₀✝ : IsCompl (Subalgebra.toSubmodule S₀✝) (Submodule.restrictScalars A I✝) condTFree : CondTFree A condD...
case h.left R✝ : Type u inst✝⁶ : CommRing R✝ A : Type u inst✝⁵ : CommRing A inst✝⁴ : DecidableEq A S✝ : Type u inst✝³ : CommRing S✝ inst✝² : Algebra A S✝ I✝ : Ideal S✝ hI✝ : DividedPowers I✝ S₀✝ : Subalgebra A S✝ hIS₀✝ : IsCompl (Subalgebra.toSubmodule S₀✝) (Submodule.restrictScalars A I✝) condTFree : CondTFree A condD...
Please generate a tactic in lean4 to solve the state. STATE: case h.left R✝ : Type u inst✝⁶ : CommRing R✝ A : Type u inst✝⁵ : CommRing A inst✝⁴ : DecidableEq A S✝ : Type u inst✝³ : CommRing S✝ inst✝² : Algebra A S✝ I✝ : Ideal S✝ hI✝ : DividedPowers I✝ S₀✝ : Subalgebra A S✝ hIS₀✝ : IsCompl (Subalgebra.toSubmodule S₀✝) (...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/DPAlgebra/Dpow.lean
DividedPowerAlgebra.T_free_and_D_to_QSplit
[506, 1]
[595, 17]
intro i hi
case h.left R✝ : Type u inst✝⁶ : CommRing R✝ A : Type u inst✝⁵ : CommRing A inst✝⁴ : DecidableEq A S✝ : Type u inst✝³ : CommRing S✝ inst✝² : Algebra A S✝ I✝ : Ideal S✝ hI✝ : DividedPowers I✝ S₀✝ : Subalgebra A S✝ hIS₀✝ : IsCompl (Subalgebra.toSubmodule S₀✝) (Submodule.restrictScalars A I✝) condTFree : CondTFree A condD...
case h.left R✝ : Type u inst✝⁶ : CommRing R✝ A : Type u inst✝⁵ : CommRing A inst✝⁴ : DecidableEq A S✝ : Type u inst✝³ : CommRing S✝ inst✝² : Algebra A S✝ I✝ : Ideal S✝ hI✝ : DividedPowers I✝ S₀✝ : Subalgebra A S✝ hIS₀✝ : IsCompl (Subalgebra.toSubmodule S₀✝) (Submodule.restrictScalars A I✝) condTFree : CondTFree A condD...
Please generate a tactic in lean4 to solve the state. STATE: case h.left R✝ : Type u inst✝⁶ : CommRing R✝ A : Type u inst✝⁵ : CommRing A inst✝⁴ : DecidableEq A S✝ : Type u inst✝³ : CommRing S✝ inst✝² : Algebra A S✝ I✝ : Ideal S✝ hI✝ : DividedPowers I✝ S₀✝ : Subalgebra A S✝ hIS₀✝ : IsCompl (Subalgebra.toSubmodule S₀✝) (...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/DPAlgebra/Dpow.lean
DividedPowerAlgebra.T_free_and_D_to_QSplit
[506, 1]
[595, 17]
rw [← Ψ_eq A S hI S₀ i hi]
case h.left R✝ : Type u inst✝⁶ : CommRing R✝ A : Type u inst✝⁵ : CommRing A inst✝⁴ : DecidableEq A S✝ : Type u inst✝³ : CommRing S✝ inst✝² : Algebra A S✝ I✝ : Ideal S✝ hI✝ : DividedPowers I✝ S₀✝ : Subalgebra A S✝ hIS₀✝ : IsCompl (Subalgebra.toSubmodule S₀✝) (Submodule.restrictScalars A I✝) condTFree : CondTFree A condD...
case h.left R✝ : Type u inst✝⁶ : CommRing R✝ A : Type u inst✝⁵ : CommRing A inst✝⁴ : DecidableEq A S✝ : Type u inst✝³ : CommRing S✝ inst✝² : Algebra A S✝ I✝ : Ideal S✝ hI✝ : DividedPowers I✝ S₀✝ : Subalgebra A S✝ hIS₀✝ : IsCompl (Subalgebra.toSubmodule S₀✝) (Submodule.restrictScalars A I✝) condTFree : CondTFree A condD...
Please generate a tactic in lean4 to solve the state. STATE: case h.left R✝ : Type u inst✝⁶ : CommRing R✝ A : Type u inst✝⁵ : CommRing A inst✝⁴ : DecidableEq A S✝ : Type u inst✝³ : CommRing S✝ inst✝² : Algebra A S✝ I✝ : Ideal S✝ hI✝ : DividedPowers I✝ S₀✝ : Subalgebra A S✝ hIS₀✝ : IsCompl (Subalgebra.toSubmodule S₀✝) (...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/DPAlgebra/Dpow.lean
DividedPowerAlgebra.T_free_and_D_to_QSplit
[506, 1]
[595, 17]
apply Ideal.mem_map_of_mem
case h.left R✝ : Type u inst✝⁶ : CommRing R✝ A : Type u inst✝⁵ : CommRing A inst✝⁴ : DecidableEq A S✝ : Type u inst✝³ : CommRing S✝ inst✝² : Algebra A S✝ I✝ : Ideal S✝ hI✝ : DividedPowers I✝ S₀✝ : Subalgebra A S✝ hIS₀✝ : IsCompl (Subalgebra.toSubmodule S₀✝) (Submodule.restrictScalars A I✝) condTFree : CondTFree A condD...
case h.left.h R✝ : Type u inst✝⁶ : CommRing R✝ A : Type u inst✝⁵ : CommRing A inst✝⁴ : DecidableEq A S✝ : Type u inst✝³ : CommRing S✝ inst✝² : Algebra A S✝ I✝ : Ideal S✝ hI✝ : DividedPowers I✝ S₀✝ : Subalgebra A S✝ hIS₀✝ : IsCompl (Subalgebra.toSubmodule S₀✝) (Submodule.restrictScalars A I✝) condTFree : CondTFree A con...
Please generate a tactic in lean4 to solve the state. STATE: case h.left R✝ : Type u inst✝⁶ : CommRing R✝ A : Type u inst✝⁵ : CommRing A inst✝⁴ : DecidableEq A S✝ : Type u inst✝³ : CommRing S✝ inst✝² : Algebra A S✝ I✝ : Ideal S✝ hI✝ : DividedPowers I✝ S₀✝ : Subalgebra A S✝ hIS₀✝ : IsCompl (Subalgebra.toSubmodule S₀✝) (...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/DPAlgebra/Dpow.lean
DividedPowerAlgebra.T_free_and_D_to_QSplit
[506, 1]
[595, 17]
apply Ideal.mem_sup_right
case h.left.h R✝ : Type u inst✝⁶ : CommRing R✝ A : Type u inst✝⁵ : CommRing A inst✝⁴ : DecidableEq A S✝ : Type u inst✝³ : CommRing S✝ inst✝² : Algebra A S✝ I✝ : Ideal S✝ hI✝ : DividedPowers I✝ S₀✝ : Subalgebra A S✝ hIS₀✝ : IsCompl (Subalgebra.toSubmodule S₀✝) (Submodule.restrictScalars A I✝) condTFree : CondTFree A con...
case h.left.h.a R✝ : Type u inst✝⁶ : CommRing R✝ A : Type u inst✝⁵ : CommRing A inst✝⁴ : DecidableEq A S✝ : Type u inst✝³ : CommRing S✝ inst✝² : Algebra A S✝ I✝ : Ideal S✝ hI✝ : DividedPowers I✝ S₀✝ : Subalgebra A S✝ hIS₀✝ : IsCompl (Subalgebra.toSubmodule S₀✝) (Submodule.restrictScalars A I✝) condTFree : CondTFree A c...
Please generate a tactic in lean4 to solve the state. STATE: case h.left.h R✝ : Type u inst✝⁶ : CommRing R✝ A : Type u inst✝⁵ : CommRing A inst✝⁴ : DecidableEq A S✝ : Type u inst✝³ : CommRing S✝ inst✝² : Algebra A S✝ I✝ : Ideal S✝ hI✝ : DividedPowers I✝ S₀✝ : Subalgebra A S✝ hIS₀✝ : IsCompl (Subalgebra.toSubmodule S₀✝)...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/DPAlgebra/Dpow.lean
DividedPowerAlgebra.T_free_and_D_to_QSplit
[506, 1]
[595, 17]
apply Ideal.mem_map_of_mem
case h.left.h.a R✝ : Type u inst✝⁶ : CommRing R✝ A : Type u inst✝⁵ : CommRing A inst✝⁴ : DecidableEq A S✝ : Type u inst✝³ : CommRing S✝ inst✝² : Algebra A S✝ I✝ : Ideal S✝ hI✝ : DividedPowers I✝ S₀✝ : Subalgebra A S✝ hIS₀✝ : IsCompl (Subalgebra.toSubmodule S₀✝) (Submodule.restrictScalars A I✝) condTFree : CondTFree A c...
case h.left.h.a.h R✝ : Type u inst✝⁶ : CommRing R✝ A : Type u inst✝⁵ : CommRing A inst✝⁴ : DecidableEq A S✝ : Type u inst✝³ : CommRing S✝ inst✝² : Algebra A S✝ I✝ : Ideal S✝ hI✝ : DividedPowers I✝ S₀✝ : Subalgebra A S✝ hIS₀✝ : IsCompl (Subalgebra.toSubmodule S₀✝) (Submodule.restrictScalars A I✝) condTFree : CondTFree A...
Please generate a tactic in lean4 to solve the state. STATE: case h.left.h.a R✝ : Type u inst✝⁶ : CommRing R✝ A : Type u inst✝⁵ : CommRing A inst✝⁴ : DecidableEq A S✝ : Type u inst✝³ : CommRing S✝ inst✝² : Algebra A S✝ I✝ : Ideal S✝ hI✝ : DividedPowers I✝ S₀✝ : Subalgebra A S✝ hIS₀✝ : IsCompl (Subalgebra.toSubmodule S₀...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/DPAlgebra/Dpow.lean
DividedPowerAlgebra.T_free_and_D_to_QSplit
[506, 1]
[595, 17]
apply ι_mem_augIdeal
case h.left.h.a.h R✝ : Type u inst✝⁶ : CommRing R✝ A : Type u inst✝⁵ : CommRing A inst✝⁴ : DecidableEq A S✝ : Type u inst✝³ : CommRing S✝ inst✝² : Algebra A S✝ I✝ : Ideal S✝ hI✝ : DividedPowers I✝ S₀✝ : Subalgebra A S✝ hIS₀✝ : IsCompl (Subalgebra.toSubmodule S₀✝) (Submodule.restrictScalars A I✝) condTFree : CondTFree A...
no goals
Please generate a tactic in lean4 to solve the state. STATE: case h.left.h.a.h R✝ : Type u inst✝⁶ : CommRing R✝ A : Type u inst✝⁵ : CommRing A inst✝⁴ : DecidableEq A S✝ : Type u inst✝³ : CommRing S✝ inst✝² : Algebra A S✝ I✝ : Ideal S✝ hI✝ : DividedPowers I✝ S₀✝ : Subalgebra A S✝ hIS₀✝ : IsCompl (Subalgebra.toSubmodule ...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/DPAlgebra/Dpow.lean
DividedPowerAlgebra.T_free_and_D_to_QSplit
[506, 1]
[595, 17]
apply Ψ_surjective A S hI S₀
case h.right.right.left R✝ : Type u inst✝⁶ : CommRing R✝ A : Type u inst✝⁵ : CommRing A inst✝⁴ : DecidableEq A S✝ : Type u inst✝³ : CommRing S✝ inst✝² : Algebra A S✝ I✝ : Ideal S✝ hI✝ : DividedPowers I✝ S₀✝ : Subalgebra A S✝ hIS₀✝ : IsCompl (Subalgebra.toSubmodule S₀✝) (Submodule.restrictScalars A I✝) condTFree : CondT...
case h.right.right.left R✝ : Type u inst✝⁶ : CommRing R✝ A : Type u inst✝⁵ : CommRing A inst✝⁴ : DecidableEq A S✝ : Type u inst✝³ : CommRing S✝ inst✝² : Algebra A S✝ I✝ : Ideal S✝ hI✝ : DividedPowers I✝ S₀✝ : Subalgebra A S✝ hIS₀✝ : IsCompl (Subalgebra.toSubmodule S₀✝) (Submodule.restrictScalars A I✝) condTFree : CondT...
Please generate a tactic in lean4 to solve the state. STATE: case h.right.right.left R✝ : Type u inst✝⁶ : CommRing R✝ A : Type u inst✝⁵ : CommRing A inst✝⁴ : DecidableEq A S✝ : Type u inst✝³ : CommRing S✝ inst✝² : Algebra A S✝ I✝ : Ideal S✝ hI✝ : DividedPowers I✝ S₀✝ : Subalgebra A S✝ hIS₀✝ : IsCompl (Subalgebra.toSubm...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/DPAlgebra/Dpow.lean
DividedPowerAlgebra.T_free_and_D_to_QSplit
[506, 1]
[595, 17]
rw [← isAugmentation_iff_isCompl]
case h.right.right.left R✝ : Type u inst✝⁶ : CommRing R✝ A : Type u inst✝⁵ : CommRing A inst✝⁴ : DecidableEq A S✝ : Type u inst✝³ : CommRing S✝ inst✝² : Algebra A S✝ I✝ : Ideal S✝ hI✝ : DividedPowers I✝ S₀✝ : Subalgebra A S✝ hIS₀✝ : IsCompl (Subalgebra.toSubmodule S₀✝) (Submodule.restrictScalars A I✝) condTFree : CondT...
case h.right.right.left R✝ : Type u inst✝⁶ : CommRing R✝ A : Type u inst✝⁵ : CommRing A inst✝⁴ : DecidableEq A S✝ : Type u inst✝³ : CommRing S✝ inst✝² : Algebra A S✝ I✝ : Ideal S✝ hI✝ : DividedPowers I✝ S₀✝ : Subalgebra A S✝ hIS₀✝ : IsCompl (Subalgebra.toSubmodule S₀✝) (Submodule.restrictScalars A I✝) condTFree : CondT...
Please generate a tactic in lean4 to solve the state. STATE: case h.right.right.left R✝ : Type u inst✝⁶ : CommRing R✝ A : Type u inst✝⁵ : CommRing A inst✝⁴ : DecidableEq A S✝ : Type u inst✝³ : CommRing S✝ inst✝² : Algebra A S✝ I✝ : Ideal S✝ hI✝ : DividedPowers I✝ S₀✝ : Subalgebra A S✝ hIS₀✝ : IsCompl (Subalgebra.toSubm...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/DPAlgebra/Dpow.lean
DividedPowerAlgebra.T_free_and_D_to_QSplit
[506, 1]
[595, 17]
exact hIS₀
case h.right.right.left R✝ : Type u inst✝⁶ : CommRing R✝ A : Type u inst✝⁵ : CommRing A inst✝⁴ : DecidableEq A S✝ : Type u inst✝³ : CommRing S✝ inst✝² : Algebra A S✝ I✝ : Ideal S✝ hI✝ : DividedPowers I✝ S₀✝ : Subalgebra A S✝ hIS₀✝ : IsCompl (Subalgebra.toSubmodule S₀✝) (Submodule.restrictScalars A I✝) condTFree : CondT...
no goals
Please generate a tactic in lean4 to solve the state. STATE: case h.right.right.left R✝ : Type u inst✝⁶ : CommRing R✝ A : Type u inst✝⁵ : CommRing A inst✝⁴ : DecidableEq A S✝ : Type u inst✝³ : CommRing S✝ inst✝² : Algebra A S✝ I✝ : Ideal S✝ hI✝ : DividedPowers I✝ S₀✝ : Subalgebra A S✝ hIS₀✝ : IsCompl (Subalgebra.toSubm...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/DPAlgebra/Dpow.lean
DividedPowerAlgebra.T_free_and_D_to_QSplit
[506, 1]
[595, 17]
exact (dpΨ A S hI S₀ condTFree hM hM_eq).isDPMorphism
case h.right.right.right.left R✝ : Type u inst✝⁶ : CommRing R✝ A : Type u inst✝⁵ : CommRing A inst✝⁴ : DecidableEq A S✝ : Type u inst✝³ : CommRing S✝ inst✝² : Algebra A S✝ I✝ : Ideal S✝ hI✝ : DividedPowers I✝ S₀✝ : Subalgebra A S✝ hIS₀✝ : IsCompl (Subalgebra.toSubmodule S₀✝) (Submodule.restrictScalars A I✝) condTFree :...
no goals
Please generate a tactic in lean4 to solve the state. STATE: case h.right.right.right.left R✝ : Type u inst✝⁶ : CommRing R✝ A : Type u inst✝⁵ : CommRing A inst✝⁴ : DecidableEq A S✝ : Type u inst✝³ : CommRing S✝ inst✝² : Algebra A S✝ I✝ : Ideal S✝ hI✝ : DividedPowers I✝ S₀✝ : Subalgebra A S✝ hIS₀✝ : IsCompl (Subalgebra....
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/DPAlgebra/Dpow.lean
DividedPowerAlgebra.condτ_rel
[654, 1]
[728, 12]
obtain ⟨hK, hK_pd⟩ := hRS
R✝ : Type u inst✝⁹ : CommRing R✝ A : Type u inst✝⁸ : CommRing A R S R' S' : Type u inst✝⁷ : CommRing R inst✝⁶ : CommRing S inst✝⁵ : CommRing R' inst✝⁴ : CommRing S' inst✝³ : Algebra A R inst✝² : Algebra A S inst✝¹ : Algebra A R' inst✝ : Algebra A S' f : R →ₐ[A] R' hf : Function.Surjective ⇑f I : Ideal R hI : DividedPow...
case intro R✝ : Type u inst✝⁹ : CommRing R✝ A : Type u inst✝⁸ : CommRing A R S R' S' : Type u inst✝⁷ : CommRing R inst✝⁶ : CommRing S inst✝⁵ : CommRing R' inst✝⁴ : CommRing S' inst✝³ : Algebra A R inst✝² : Algebra A S inst✝¹ : Algebra A R' inst✝ : Algebra A S' f : R →ₐ[A] R' hf : Function.Surjective ⇑f I : Ideal R hI :...
Please generate a tactic in lean4 to solve the state. STATE: R✝ : Type u inst✝⁹ : CommRing R✝ A : Type u inst✝⁸ : CommRing A R S R' S' : Type u inst✝⁷ : CommRing R inst✝⁶ : CommRing S inst✝⁵ : CommRing R' inst✝⁴ : CommRing S' inst✝³ : Algebra A R inst✝² : Algebra A S inst✝¹ : Algebra A R' inst✝ : Algebra A S' f : R →ₐ[...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/DPAlgebra/Dpow.lean
DividedPowerAlgebra.condτ_rel
[654, 1]
[728, 12]
simp only [Condτ]
case intro R✝ : Type u inst✝⁹ : CommRing R✝ A : Type u inst✝⁸ : CommRing A R S R' S' : Type u inst✝⁷ : CommRing R inst✝⁶ : CommRing S inst✝⁵ : CommRing R' inst✝⁴ : CommRing S' inst✝³ : Algebra A R inst✝² : Algebra A S inst✝¹ : Algebra A R' inst✝ : Algebra A S' f : R →ₐ[A] R' hf : Function.Surjective ⇑f I : Ideal R hI :...
case intro R✝ : Type u inst✝⁹ : CommRing R✝ A : Type u inst✝⁸ : CommRing A R S R' S' : Type u inst✝⁷ : CommRing R inst✝⁶ : CommRing S inst✝⁵ : CommRing R' inst✝⁴ : CommRing S' inst✝³ : Algebra A R inst✝² : Algebra A S inst✝¹ : Algebra A R' inst✝ : Algebra A S' f : R →ₐ[A] R' hf : Function.Surjective ⇑f I : Ideal R hI :...
Please generate a tactic in lean4 to solve the state. STATE: case intro R✝ : Type u inst✝⁹ : CommRing R✝ A : Type u inst✝⁸ : CommRing A R S R' S' : Type u inst✝⁷ : CommRing R inst✝⁶ : CommRing S inst✝⁵ : CommRing R' inst✝⁴ : CommRing S' inst✝³ : Algebra A R inst✝² : Algebra A S inst✝¹ : Algebra A R' inst✝ : Algebra A S...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/DPAlgebra/Dpow.lean
DividedPowerAlgebra.condτ_rel
[654, 1]
[728, 12]
let fg := Algebra.TensorProduct.map f g
case intro R✝ : Type u inst✝⁹ : CommRing R✝ A : Type u inst✝⁸ : CommRing A R S R' S' : Type u inst✝⁷ : CommRing R inst✝⁶ : CommRing S inst✝⁵ : CommRing R' inst✝⁴ : CommRing S' inst✝³ : Algebra A R inst✝² : Algebra A S inst✝¹ : Algebra A R' inst✝ : Algebra A S' f : R →ₐ[A] R' hf : Function.Surjective ⇑f I : Ideal R hI :...
case intro R✝ : Type u inst✝⁹ : CommRing R✝ A : Type u inst✝⁸ : CommRing A R S R' S' : Type u inst✝⁷ : CommRing R inst✝⁶ : CommRing S inst✝⁵ : CommRing R' inst✝⁴ : CommRing S' inst✝³ : Algebra A R inst✝² : Algebra A S inst✝¹ : Algebra A R' inst✝ : Algebra A S' f : R →ₐ[A] R' hf : Function.Surjective ⇑f I : Ideal R hI :...
Please generate a tactic in lean4 to solve the state. STATE: case intro R✝ : Type u inst✝⁹ : CommRing R✝ A : Type u inst✝⁸ : CommRing A R S R' S' : Type u inst✝⁷ : CommRing R inst✝⁶ : CommRing S inst✝⁵ : CommRing R' inst✝⁴ : CommRing S' inst✝³ : Algebra A R inst✝² : Algebra A S inst✝¹ : Algebra A R' inst✝ : Algebra A S...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/DPAlgebra/Dpow.lean
DividedPowerAlgebra.condτ_rel
[654, 1]
[728, 12]
have s_fg : Function.Surjective fg := TensorProduct.map_surjective hf hg
case intro R✝ : Type u inst✝⁹ : CommRing R✝ A : Type u inst✝⁸ : CommRing A R S R' S' : Type u inst✝⁷ : CommRing R inst✝⁶ : CommRing S inst✝⁵ : CommRing R' inst✝⁴ : CommRing S' inst✝³ : Algebra A R inst✝² : Algebra A S inst✝¹ : Algebra A R' inst✝ : Algebra A S' f : R →ₐ[A] R' hf : Function.Surjective ⇑f I : Ideal R hI :...
case intro R✝ : Type u inst✝⁹ : CommRing R✝ A : Type u inst✝⁸ : CommRing A R S R' S' : Type u inst✝⁷ : CommRing R inst✝⁶ : CommRing S inst✝⁵ : CommRing R' inst✝⁴ : CommRing S' inst✝³ : Algebra A R inst✝² : Algebra A S inst✝¹ : Algebra A R' inst✝ : Algebra A S' f : R →ₐ[A] R' hf : Function.Surjective ⇑f I : Ideal R hI :...
Please generate a tactic in lean4 to solve the state. STATE: case intro R✝ : Type u inst✝⁹ : CommRing R✝ A : Type u inst✝⁸ : CommRing A R S R' S' : Type u inst✝⁷ : CommRing R inst✝⁶ : CommRing S inst✝⁵ : CommRing R' inst✝⁴ : CommRing S' inst✝³ : Algebra A R inst✝² : Algebra A S inst✝¹ : Algebra A R' inst✝ : Algebra A S...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/DPAlgebra/Dpow.lean
DividedPowerAlgebra.condτ_rel
[654, 1]
[728, 12]
have hK_map : K A I' J' = (K A I J).map fg := by simp only [K, fg, hI'I, hJ'J] rw [Ideal.map_sup] apply congr_arg₂ all_goals simp only [Ideal.map_toRingHom, Ideal.map_map] apply congr_arg₂ _ _ rfl ext x simp only [i1, i2, RingHom.comp_apply, AlgHom.toRingHom_eq_coe, AlgHom.coe_toRingHom, A...
case intro R✝ : Type u inst✝⁹ : CommRing R✝ A : Type u inst✝⁸ : CommRing A R S R' S' : Type u inst✝⁷ : CommRing R inst✝⁶ : CommRing S inst✝⁵ : CommRing R' inst✝⁴ : CommRing S' inst✝³ : Algebra A R inst✝² : Algebra A S inst✝¹ : Algebra A R' inst✝ : Algebra A S' f : R →ₐ[A] R' hf : Function.Surjective ⇑f I : Ideal R hI :...
case intro R✝ : Type u inst✝⁹ : CommRing R✝ A : Type u inst✝⁸ : CommRing A R S R' S' : Type u inst✝⁷ : CommRing R inst✝⁶ : CommRing S inst✝⁵ : CommRing R' inst✝⁴ : CommRing S' inst✝³ : Algebra A R inst✝² : Algebra A S inst✝¹ : Algebra A R' inst✝ : Algebra A S' f : R →ₐ[A] R' hf : Function.Surjective ⇑f I : Ideal R hI :...
Please generate a tactic in lean4 to solve the state. STATE: case intro R✝ : Type u inst✝⁹ : CommRing R✝ A : Type u inst✝⁸ : CommRing A R S R' S' : Type u inst✝⁷ : CommRing R inst✝⁶ : CommRing S inst✝⁵ : CommRing R' inst✝⁴ : CommRing S' inst✝³ : Algebra A R inst✝² : Algebra A S inst✝¹ : Algebra A R' inst✝ : Algebra A S...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/DPAlgebra/Dpow.lean
DividedPowerAlgebra.condτ_rel
[654, 1]
[728, 12]
have hK'_pd : isSubDPIdeal hK (RingHom.ker fg ⊓ K A I J) := by rw [roby] apply isSubDPIdeal_sup exact isSubDPIdeal_map hI hK hK_pd.1 _ (isSubDPIdeal_ker hI hI' hf') exact isSubDPIdeal_map hJ hK hK_pd.2 _ (isSubDPIdeal_ker hJ hJ' hg')
case intro R✝ : Type u inst✝⁹ : CommRing R✝ A : Type u inst✝⁸ : CommRing A R S R' S' : Type u inst✝⁷ : CommRing R inst✝⁶ : CommRing S inst✝⁵ : CommRing R' inst✝⁴ : CommRing S' inst✝³ : Algebra A R inst✝² : Algebra A S inst✝¹ : Algebra A R' inst✝ : Algebra A S' f : R →ₐ[A] R' hf : Function.Surjective ⇑f I : Ideal R hI :...
case intro R✝ : Type u inst✝⁹ : CommRing R✝ A : Type u inst✝⁸ : CommRing A R S R' S' : Type u inst✝⁷ : CommRing R inst✝⁶ : CommRing S inst✝⁵ : CommRing R' inst✝⁴ : CommRing S' inst✝³ : Algebra A R inst✝² : Algebra A S inst✝¹ : Algebra A R' inst✝ : Algebra A S' f : R →ₐ[A] R' hf : Function.Surjective ⇑f I : Ideal R hI :...
Please generate a tactic in lean4 to solve the state. STATE: case intro R✝ : Type u inst✝⁹ : CommRing R✝ A : Type u inst✝⁸ : CommRing A R S R' S' : Type u inst✝⁷ : CommRing R inst✝⁶ : CommRing S inst✝⁵ : CommRing R' inst✝⁴ : CommRing S' inst✝³ : Algebra A R inst✝² : Algebra A S inst✝¹ : Algebra A R' inst✝ : Algebra A S...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/DPAlgebra/Dpow.lean
DividedPowerAlgebra.condτ_rel
[654, 1]
[728, 12]
use DividedPowers.Quotient.OfSurjective.dividedPowers hK s_fg hK'_pd
case intro R✝ : Type u inst✝⁹ : CommRing R✝ A : Type u inst✝⁸ : CommRing A R S R' S' : Type u inst✝⁷ : CommRing R inst✝⁶ : CommRing S inst✝⁵ : CommRing R' inst✝⁴ : CommRing S' inst✝³ : Algebra A R inst✝² : Algebra A S inst✝¹ : Algebra A R' inst✝ : Algebra A S' f : R →ₐ[A] R' hf : Function.Surjective ⇑f I : Ideal R hI :...
case h R✝ : Type u inst✝⁹ : CommRing R✝ A : Type u inst✝⁸ : CommRing A R S R' S' : Type u inst✝⁷ : CommRing R inst✝⁶ : CommRing S inst✝⁵ : CommRing R' inst✝⁴ : CommRing S' inst✝³ : Algebra A R inst✝² : Algebra A S inst✝¹ : Algebra A R' inst✝ : Algebra A S' f : R →ₐ[A] R' hf : Function.Surjective ⇑f I : Ideal R hI : Div...
Please generate a tactic in lean4 to solve the state. STATE: case intro R✝ : Type u inst✝⁹ : CommRing R✝ A : Type u inst✝⁸ : CommRing A R S R' S' : Type u inst✝⁷ : CommRing R inst✝⁶ : CommRing S inst✝⁵ : CommRing R' inst✝⁴ : CommRing S' inst✝³ : Algebra A R inst✝² : Algebra A S inst✝¹ : Algebra A R' inst✝ : Algebra A S...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/DPAlgebra/Dpow.lean
DividedPowerAlgebra.condτ_rel
[654, 1]
[728, 12]
constructor
case h R✝ : Type u inst✝⁹ : CommRing R✝ A : Type u inst✝⁸ : CommRing A R S R' S' : Type u inst✝⁷ : CommRing R inst✝⁶ : CommRing S inst✝⁵ : CommRing R' inst✝⁴ : CommRing S' inst✝³ : Algebra A R inst✝² : Algebra A S inst✝¹ : Algebra A R' inst✝ : Algebra A S' f : R →ₐ[A] R' hf : Function.Surjective ⇑f I : Ideal R hI : Div...
case h.left R✝ : Type u inst✝⁹ : CommRing R✝ A : Type u inst✝⁸ : CommRing A R S R' S' : Type u inst✝⁷ : CommRing R inst✝⁶ : CommRing S inst✝⁵ : CommRing R' inst✝⁴ : CommRing S' inst✝³ : Algebra A R inst✝² : Algebra A S inst✝¹ : Algebra A R' inst✝ : Algebra A S' f : R →ₐ[A] R' hf : Function.Surjective ⇑f I : Ideal R hI ...
Please generate a tactic in lean4 to solve the state. STATE: case h R✝ : Type u inst✝⁹ : CommRing R✝ A : Type u inst✝⁸ : CommRing A R S R' S' : Type u inst✝⁷ : CommRing R inst✝⁶ : CommRing S inst✝⁵ : CommRing R' inst✝⁴ : CommRing S' inst✝³ : Algebra A R inst✝² : Algebra A S inst✝¹ : Algebra A R' inst✝ : Algebra A S' f ...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/DPAlgebra/Dpow.lean
DividedPowerAlgebra.condτ_rel
[654, 1]
[728, 12]
simp only [K, fg, hI'I, hJ'J]
R✝ : Type u inst✝⁹ : CommRing R✝ A : Type u inst✝⁸ : CommRing A R S R' S' : Type u inst✝⁷ : CommRing R inst✝⁶ : CommRing S inst✝⁵ : CommRing R' inst✝⁴ : CommRing S' inst✝³ : Algebra A R inst✝² : Algebra A S inst✝¹ : Algebra A R' inst✝ : Algebra A S' f : R →ₐ[A] R' hf : Function.Surjective ⇑f I : Ideal R hI : DividedPow...
R✝ : Type u inst✝⁹ : CommRing R✝ A : Type u inst✝⁸ : CommRing A R S R' S' : Type u inst✝⁷ : CommRing R inst✝⁶ : CommRing S inst✝⁵ : CommRing R' inst✝⁴ : CommRing S' inst✝³ : Algebra A R inst✝² : Algebra A S inst✝¹ : Algebra A R' inst✝ : Algebra A S' f : R →ₐ[A] R' hf : Function.Surjective ⇑f I : Ideal R hI : DividedPow...
Please generate a tactic in lean4 to solve the state. STATE: R✝ : Type u inst✝⁹ : CommRing R✝ A : Type u inst✝⁸ : CommRing A R S R' S' : Type u inst✝⁷ : CommRing R inst✝⁶ : CommRing S inst✝⁵ : CommRing R' inst✝⁴ : CommRing S' inst✝³ : Algebra A R inst✝² : Algebra A S inst✝¹ : Algebra A R' inst✝ : Algebra A S' f : R →ₐ[...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/DPAlgebra/Dpow.lean
DividedPowerAlgebra.condτ_rel
[654, 1]
[728, 12]
rw [Ideal.map_sup]
R✝ : Type u inst✝⁹ : CommRing R✝ A : Type u inst✝⁸ : CommRing A R S R' S' : Type u inst✝⁷ : CommRing R inst✝⁶ : CommRing S inst✝⁵ : CommRing R' inst✝⁴ : CommRing S' inst✝³ : Algebra A R inst✝² : Algebra A S inst✝¹ : Algebra A R' inst✝ : Algebra A S' f : R →ₐ[A] R' hf : Function.Surjective ⇑f I : Ideal R hI : DividedPow...
R✝ : Type u inst✝⁹ : CommRing R✝ A : Type u inst✝⁸ : CommRing A R S R' S' : Type u inst✝⁷ : CommRing R inst✝⁶ : CommRing S inst✝⁵ : CommRing R' inst✝⁴ : CommRing S' inst✝³ : Algebra A R inst✝² : Algebra A S inst✝¹ : Algebra A R' inst✝ : Algebra A S' f : R →ₐ[A] R' hf : Function.Surjective ⇑f I : Ideal R hI : DividedPow...
Please generate a tactic in lean4 to solve the state. STATE: R✝ : Type u inst✝⁹ : CommRing R✝ A : Type u inst✝⁸ : CommRing A R S R' S' : Type u inst✝⁷ : CommRing R inst✝⁶ : CommRing S inst✝⁵ : CommRing R' inst✝⁴ : CommRing S' inst✝³ : Algebra A R inst✝² : Algebra A S inst✝¹ : Algebra A R' inst✝ : Algebra A S' f : R →ₐ[...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/DPAlgebra/Dpow.lean
DividedPowerAlgebra.condτ_rel
[654, 1]
[728, 12]
apply congr_arg₂
R✝ : Type u inst✝⁹ : CommRing R✝ A : Type u inst✝⁸ : CommRing A R S R' S' : Type u inst✝⁷ : CommRing R inst✝⁶ : CommRing S inst✝⁵ : CommRing R' inst✝⁴ : CommRing S' inst✝³ : Algebra A R inst✝² : Algebra A S inst✝¹ : Algebra A R' inst✝ : Algebra A S' f : R →ₐ[A] R' hf : Function.Surjective ⇑f I : Ideal R hI : DividedPow...
case hx R✝ : Type u inst✝⁹ : CommRing R✝ A : Type u inst✝⁸ : CommRing A R S R' S' : Type u inst✝⁷ : CommRing R inst✝⁶ : CommRing S inst✝⁵ : CommRing R' inst✝⁴ : CommRing S' inst✝³ : Algebra A R inst✝² : Algebra A S inst✝¹ : Algebra A R' inst✝ : Algebra A S' f : R →ₐ[A] R' hf : Function.Surjective ⇑f I : Ideal R hI : Di...
Please generate a tactic in lean4 to solve the state. STATE: R✝ : Type u inst✝⁹ : CommRing R✝ A : Type u inst✝⁸ : CommRing A R S R' S' : Type u inst✝⁷ : CommRing R inst✝⁶ : CommRing S inst✝⁵ : CommRing R' inst✝⁴ : CommRing S' inst✝³ : Algebra A R inst✝² : Algebra A S inst✝¹ : Algebra A R' inst✝ : Algebra A S' f : R →ₐ[...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/DPAlgebra/Dpow.lean
DividedPowerAlgebra.condτ_rel
[654, 1]
[728, 12]
all_goals simp only [Ideal.map_toRingHom, Ideal.map_map] apply congr_arg₂ _ _ rfl ext x simp only [i1, i2, RingHom.comp_apply, AlgHom.toRingHom_eq_coe, AlgHom.coe_toRingHom, Algebra.TensorProduct.includeLeft_apply, Algebra.TensorProduct.includeRight_apply, Algebra.TensorProduct.map_tmul, map_one]
case hx R✝ : Type u inst✝⁹ : CommRing R✝ A : Type u inst✝⁸ : CommRing A R S R' S' : Type u inst✝⁷ : CommRing R inst✝⁶ : CommRing S inst✝⁵ : CommRing R' inst✝⁴ : CommRing S' inst✝³ : Algebra A R inst✝² : Algebra A S inst✝¹ : Algebra A R' inst✝ : Algebra A S' f : R →ₐ[A] R' hf : Function.Surjective ⇑f I : Ideal R hI : Di...
no goals
Please generate a tactic in lean4 to solve the state. STATE: case hx R✝ : Type u inst✝⁹ : CommRing R✝ A : Type u inst✝⁸ : CommRing A R S R' S' : Type u inst✝⁷ : CommRing R inst✝⁶ : CommRing S inst✝⁵ : CommRing R' inst✝⁴ : CommRing S' inst✝³ : Algebra A R inst✝² : Algebra A S inst✝¹ : Algebra A R' inst✝ : Algebra A S' f...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/DPAlgebra/Dpow.lean
DividedPowerAlgebra.condτ_rel
[654, 1]
[728, 12]
simp only [Ideal.map_toRingHom, Ideal.map_map]
case hy R✝ : Type u inst✝⁹ : CommRing R✝ A : Type u inst✝⁸ : CommRing A R S R' S' : Type u inst✝⁷ : CommRing R inst✝⁶ : CommRing S inst✝⁵ : CommRing R' inst✝⁴ : CommRing S' inst✝³ : Algebra A R inst✝² : Algebra A S inst✝¹ : Algebra A R' inst✝ : Algebra A S' f : R →ₐ[A] R' hf : Function.Surjective ⇑f I : Ideal R hI : Di...
case hy R✝ : Type u inst✝⁹ : CommRing R✝ A : Type u inst✝⁸ : CommRing A R S R' S' : Type u inst✝⁷ : CommRing R inst✝⁶ : CommRing S inst✝⁵ : CommRing R' inst✝⁴ : CommRing S' inst✝³ : Algebra A R inst✝² : Algebra A S inst✝¹ : Algebra A R' inst✝ : Algebra A S' f : R →ₐ[A] R' hf : Function.Surjective ⇑f I : Ideal R hI : Di...
Please generate a tactic in lean4 to solve the state. STATE: case hy R✝ : Type u inst✝⁹ : CommRing R✝ A : Type u inst✝⁸ : CommRing A R S R' S' : Type u inst✝⁷ : CommRing R inst✝⁶ : CommRing S inst✝⁵ : CommRing R' inst✝⁴ : CommRing S' inst✝³ : Algebra A R inst✝² : Algebra A S inst✝¹ : Algebra A R' inst✝ : Algebra A S' f...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/DPAlgebra/Dpow.lean
DividedPowerAlgebra.condτ_rel
[654, 1]
[728, 12]
apply congr_arg₂ _ _ rfl
case hy R✝ : Type u inst✝⁹ : CommRing R✝ A : Type u inst✝⁸ : CommRing A R S R' S' : Type u inst✝⁷ : CommRing R inst✝⁶ : CommRing S inst✝⁵ : CommRing R' inst✝⁴ : CommRing S' inst✝³ : Algebra A R inst✝² : Algebra A S inst✝¹ : Algebra A R' inst✝ : Algebra A S' f : R →ₐ[A] R' hf : Function.Surjective ⇑f I : Ideal R hI : Di...
R✝ : Type u inst✝⁹ : CommRing R✝ A : Type u inst✝⁸ : CommRing A R S R' S' : Type u inst✝⁷ : CommRing R inst✝⁶ : CommRing S inst✝⁵ : CommRing R' inst✝⁴ : CommRing S' inst✝³ : Algebra A R inst✝² : Algebra A S inst✝¹ : Algebra A R' inst✝ : Algebra A S' f : R →ₐ[A] R' hf : Function.Surjective ⇑f I : Ideal R hI : DividedPow...
Please generate a tactic in lean4 to solve the state. STATE: case hy R✝ : Type u inst✝⁹ : CommRing R✝ A : Type u inst✝⁸ : CommRing A R S R' S' : Type u inst✝⁷ : CommRing R inst✝⁶ : CommRing S inst✝⁵ : CommRing R' inst✝⁴ : CommRing S' inst✝³ : Algebra A R inst✝² : Algebra A S inst✝¹ : Algebra A R' inst✝ : Algebra A S' f...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/DPAlgebra/Dpow.lean
DividedPowerAlgebra.condτ_rel
[654, 1]
[728, 12]
ext x
R✝ : Type u inst✝⁹ : CommRing R✝ A : Type u inst✝⁸ : CommRing A R S R' S' : Type u inst✝⁷ : CommRing R inst✝⁶ : CommRing S inst✝⁵ : CommRing R' inst✝⁴ : CommRing S' inst✝³ : Algebra A R inst✝² : Algebra A S inst✝¹ : Algebra A R' inst✝ : Algebra A S' f : R →ₐ[A] R' hf : Function.Surjective ⇑f I : Ideal R hI : DividedPow...
case a R✝ : Type u inst✝⁹ : CommRing R✝ A : Type u inst✝⁸ : CommRing A R S R' S' : Type u inst✝⁷ : CommRing R inst✝⁶ : CommRing S inst✝⁵ : CommRing R' inst✝⁴ : CommRing S' inst✝³ : Algebra A R inst✝² : Algebra A S inst✝¹ : Algebra A R' inst✝ : Algebra A S' f : R →ₐ[A] R' hf : Function.Surjective ⇑f I : Ideal R hI : Div...
Please generate a tactic in lean4 to solve the state. STATE: R✝ : Type u inst✝⁹ : CommRing R✝ A : Type u inst✝⁸ : CommRing A R S R' S' : Type u inst✝⁷ : CommRing R inst✝⁶ : CommRing S inst✝⁵ : CommRing R' inst✝⁴ : CommRing S' inst✝³ : Algebra A R inst✝² : Algebra A S inst✝¹ : Algebra A R' inst✝ : Algebra A S' f : R →ₐ[...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/DPAlgebra/Dpow.lean
DividedPowerAlgebra.condτ_rel
[654, 1]
[728, 12]
simp only [i1, i2, RingHom.comp_apply, AlgHom.toRingHom_eq_coe, AlgHom.coe_toRingHom, Algebra.TensorProduct.includeLeft_apply, Algebra.TensorProduct.includeRight_apply, Algebra.TensorProduct.map_tmul, map_one]
case a R✝ : Type u inst✝⁹ : CommRing R✝ A : Type u inst✝⁸ : CommRing A R S R' S' : Type u inst✝⁷ : CommRing R inst✝⁶ : CommRing S inst✝⁵ : CommRing R' inst✝⁴ : CommRing S' inst✝³ : Algebra A R inst✝² : Algebra A S inst✝¹ : Algebra A R' inst✝ : Algebra A S' f : R →ₐ[A] R' hf : Function.Surjective ⇑f I : Ideal R hI : Div...
no goals
Please generate a tactic in lean4 to solve the state. STATE: case a R✝ : Type u inst✝⁹ : CommRing R✝ A : Type u inst✝⁸ : CommRing A R S R' S' : Type u inst✝⁷ : CommRing R inst✝⁶ : CommRing S inst✝⁵ : CommRing R' inst✝⁴ : CommRing S' inst✝³ : Algebra A R inst✝² : Algebra A S inst✝¹ : Algebra A R' inst✝ : Algebra A S' f ...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/DPAlgebra/Dpow.lean
DividedPowerAlgebra.condτ_rel
[654, 1]
[728, 12]
rw [roby]
R✝ : Type u inst✝⁹ : CommRing R✝ A : Type u inst✝⁸ : CommRing A R S R' S' : Type u inst✝⁷ : CommRing R inst✝⁶ : CommRing S inst✝⁵ : CommRing R' inst✝⁴ : CommRing S' inst✝³ : Algebra A R inst✝² : Algebra A S inst✝¹ : Algebra A R' inst✝ : Algebra A S' f : R →ₐ[A] R' hf : Function.Surjective ⇑f I : Ideal R hI : DividedPow...
R✝ : Type u inst✝⁹ : CommRing R✝ A : Type u inst✝⁸ : CommRing A R S R' S' : Type u inst✝⁷ : CommRing R inst✝⁶ : CommRing S inst✝⁵ : CommRing R' inst✝⁴ : CommRing S' inst✝³ : Algebra A R inst✝² : Algebra A S inst✝¹ : Algebra A R' inst✝ : Algebra A S' f : R →ₐ[A] R' hf : Function.Surjective ⇑f I : Ideal R hI : DividedPow...
Please generate a tactic in lean4 to solve the state. STATE: R✝ : Type u inst✝⁹ : CommRing R✝ A : Type u inst✝⁸ : CommRing A R S R' S' : Type u inst✝⁷ : CommRing R inst✝⁶ : CommRing S inst✝⁵ : CommRing R' inst✝⁴ : CommRing S' inst✝³ : Algebra A R inst✝² : Algebra A S inst✝¹ : Algebra A R' inst✝ : Algebra A S' f : R →ₐ[...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/DPAlgebra/Dpow.lean
DividedPowerAlgebra.condτ_rel
[654, 1]
[728, 12]
apply isSubDPIdeal_sup
R✝ : Type u inst✝⁹ : CommRing R✝ A : Type u inst✝⁸ : CommRing A R S R' S' : Type u inst✝⁷ : CommRing R inst✝⁶ : CommRing S inst✝⁵ : CommRing R' inst✝⁴ : CommRing S' inst✝³ : Algebra A R inst✝² : Algebra A S inst✝¹ : Algebra A R' inst✝ : Algebra A S' f : R →ₐ[A] R' hf : Function.Surjective ⇑f I : Ideal R hI : DividedPow...
case hJ R✝ : Type u inst✝⁹ : CommRing R✝ A : Type u inst✝⁸ : CommRing A R S R' S' : Type u inst✝⁷ : CommRing R inst✝⁶ : CommRing S inst✝⁵ : CommRing R' inst✝⁴ : CommRing S' inst✝³ : Algebra A R inst✝² : Algebra A S inst✝¹ : Algebra A R' inst✝ : Algebra A S' f : R →ₐ[A] R' hf : Function.Surjective ⇑f I : Ideal R hI : Di...
Please generate a tactic in lean4 to solve the state. STATE: R✝ : Type u inst✝⁹ : CommRing R✝ A : Type u inst✝⁸ : CommRing A R S R' S' : Type u inst✝⁷ : CommRing R inst✝⁶ : CommRing S inst✝⁵ : CommRing R' inst✝⁴ : CommRing S' inst✝³ : Algebra A R inst✝² : Algebra A S inst✝¹ : Algebra A R' inst✝ : Algebra A S' f : R →ₐ[...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/DPAlgebra/Dpow.lean
DividedPowerAlgebra.condτ_rel
[654, 1]
[728, 12]
exact isSubDPIdeal_map hI hK hK_pd.1 _ (isSubDPIdeal_ker hI hI' hf')
case hJ R✝ : Type u inst✝⁹ : CommRing R✝ A : Type u inst✝⁸ : CommRing A R S R' S' : Type u inst✝⁷ : CommRing R inst✝⁶ : CommRing S inst✝⁵ : CommRing R' inst✝⁴ : CommRing S' inst✝³ : Algebra A R inst✝² : Algebra A S inst✝¹ : Algebra A R' inst✝ : Algebra A S' f : R →ₐ[A] R' hf : Function.Surjective ⇑f I : Ideal R hI : Di...
case hK R✝ : Type u inst✝⁹ : CommRing R✝ A : Type u inst✝⁸ : CommRing A R S R' S' : Type u inst✝⁷ : CommRing R inst✝⁶ : CommRing S inst✝⁵ : CommRing R' inst✝⁴ : CommRing S' inst✝³ : Algebra A R inst✝² : Algebra A S inst✝¹ : Algebra A R' inst✝ : Algebra A S' f : R →ₐ[A] R' hf : Function.Surjective ⇑f I : Ideal R hI : Di...
Please generate a tactic in lean4 to solve the state. STATE: case hJ R✝ : Type u inst✝⁹ : CommRing R✝ A : Type u inst✝⁸ : CommRing A R S R' S' : Type u inst✝⁷ : CommRing R inst✝⁶ : CommRing S inst✝⁵ : CommRing R' inst✝⁴ : CommRing S' inst✝³ : Algebra A R inst✝² : Algebra A S inst✝¹ : Algebra A R' inst✝ : Algebra A S' f...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/DPAlgebra/Dpow.lean
DividedPowerAlgebra.condτ_rel
[654, 1]
[728, 12]
exact isSubDPIdeal_map hJ hK hK_pd.2 _ (isSubDPIdeal_ker hJ hJ' hg')
case hK R✝ : Type u inst✝⁹ : CommRing R✝ A : Type u inst✝⁸ : CommRing A R S R' S' : Type u inst✝⁷ : CommRing R inst✝⁶ : CommRing S inst✝⁵ : CommRing R' inst✝⁴ : CommRing S' inst✝³ : Algebra A R inst✝² : Algebra A S inst✝¹ : Algebra A R' inst✝ : Algebra A S' f : R →ₐ[A] R' hf : Function.Surjective ⇑f I : Ideal R hI : Di...
no goals
Please generate a tactic in lean4 to solve the state. STATE: case hK R✝ : Type u inst✝⁹ : CommRing R✝ A : Type u inst✝⁸ : CommRing A R S R' S' : Type u inst✝⁷ : CommRing R inst✝⁶ : CommRing S inst✝⁵ : CommRing R' inst✝⁴ : CommRing S' inst✝³ : Algebra A R inst✝² : Algebra A S inst✝¹ : Algebra A R' inst✝ : Algebra A S' f...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/DPAlgebra/Dpow.lean
DividedPowerAlgebra.condτ_rel
[654, 1]
[728, 12]
constructor
case h.left R✝ : Type u inst✝⁹ : CommRing R✝ A : Type u inst✝⁸ : CommRing A R S R' S' : Type u inst✝⁷ : CommRing R inst✝⁶ : CommRing S inst✝⁵ : CommRing R' inst✝⁴ : CommRing S' inst✝³ : Algebra A R inst✝² : Algebra A S inst✝¹ : Algebra A R' inst✝ : Algebra A S' f : R →ₐ[A] R' hf : Function.Surjective ⇑f I : Ideal R hI ...
case h.left.left R✝ : Type u inst✝⁹ : CommRing R✝ A : Type u inst✝⁸ : CommRing A R S R' S' : Type u inst✝⁷ : CommRing R inst✝⁶ : CommRing S inst✝⁵ : CommRing R' inst✝⁴ : CommRing S' inst✝³ : Algebra A R inst✝² : Algebra A S inst✝¹ : Algebra A R' inst✝ : Algebra A S' f : R →ₐ[A] R' hf : Function.Surjective ⇑f I : Ideal ...
Please generate a tactic in lean4 to solve the state. STATE: case h.left R✝ : Type u inst✝⁹ : CommRing R✝ A : Type u inst✝⁸ : CommRing A R S R' S' : Type u inst✝⁷ : CommRing R inst✝⁶ : CommRing S inst✝⁵ : CommRing R' inst✝⁴ : CommRing S' inst✝³ : Algebra A R inst✝² : Algebra A S inst✝¹ : Algebra A R' inst✝ : Algebra A ...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/DPAlgebra/Dpow.lean
DividedPowerAlgebra.condτ_rel
[654, 1]
[728, 12]
rw [← hK_map]
case h.left.left R✝ : Type u inst✝⁹ : CommRing R✝ A : Type u inst✝⁸ : CommRing A R S R' S' : Type u inst✝⁷ : CommRing R inst✝⁶ : CommRing S inst✝⁵ : CommRing R' inst✝⁴ : CommRing S' inst✝³ : Algebra A R inst✝² : Algebra A S inst✝¹ : Algebra A R' inst✝ : Algebra A S' f : R →ₐ[A] R' hf : Function.Surjective ⇑f I : Ideal ...
case h.left.left R✝ : Type u inst✝⁹ : CommRing R✝ A : Type u inst✝⁸ : CommRing A R S R' S' : Type u inst✝⁷ : CommRing R inst✝⁶ : CommRing S inst✝⁵ : CommRing R' inst✝⁴ : CommRing S' inst✝³ : Algebra A R inst✝² : Algebra A S inst✝¹ : Algebra A R' inst✝ : Algebra A S' f : R →ₐ[A] R' hf : Function.Surjective ⇑f I : Ideal ...
Please generate a tactic in lean4 to solve the state. STATE: case h.left.left R✝ : Type u inst✝⁹ : CommRing R✝ A : Type u inst✝⁸ : CommRing A R S R' S' : Type u inst✝⁷ : CommRing R inst✝⁶ : CommRing S inst✝⁵ : CommRing R' inst✝⁴ : CommRing S' inst✝³ : Algebra A R inst✝² : Algebra A S inst✝¹ : Algebra A R' inst✝ : Algeb...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/DPAlgebra/Dpow.lean
DividedPowerAlgebra.condτ_rel
[654, 1]
[728, 12]
rw [Ideal.map_le_iff_le_comap]
case h.left.left R✝ : Type u inst✝⁹ : CommRing R✝ A : Type u inst✝⁸ : CommRing A R S R' S' : Type u inst✝⁷ : CommRing R inst✝⁶ : CommRing S inst✝⁵ : CommRing R' inst✝⁴ : CommRing S' inst✝³ : Algebra A R inst✝² : Algebra A S inst✝¹ : Algebra A R' inst✝ : Algebra A S' f : R →ₐ[A] R' hf : Function.Surjective ⇑f I : Ideal ...
case h.left.left R✝ : Type u inst✝⁹ : CommRing R✝ A : Type u inst✝⁸ : CommRing A R S R' S' : Type u inst✝⁷ : CommRing R inst✝⁶ : CommRing S inst✝⁵ : CommRing R' inst✝⁴ : CommRing S' inst✝³ : Algebra A R inst✝² : Algebra A S inst✝¹ : Algebra A R' inst✝ : Algebra A S' f : R →ₐ[A] R' hf : Function.Surjective ⇑f I : Ideal ...
Please generate a tactic in lean4 to solve the state. STATE: case h.left.left R✝ : Type u inst✝⁹ : CommRing R✝ A : Type u inst✝⁸ : CommRing A R S R' S' : Type u inst✝⁷ : CommRing R inst✝⁶ : CommRing S inst✝⁵ : CommRing R' inst✝⁴ : CommRing S' inst✝³ : Algebra A R inst✝² : Algebra A S inst✝¹ : Algebra A R' inst✝ : Algeb...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/DPAlgebra/Dpow.lean
DividedPowerAlgebra.condτ_rel
[654, 1]
[728, 12]
intro a' ha'
case h.left.left R✝ : Type u inst✝⁹ : CommRing R✝ A : Type u inst✝⁸ : CommRing A R S R' S' : Type u inst✝⁷ : CommRing R inst✝⁶ : CommRing S inst✝⁵ : CommRing R' inst✝⁴ : CommRing S' inst✝³ : Algebra A R inst✝² : Algebra A S inst✝¹ : Algebra A R' inst✝ : Algebra A S' f : R →ₐ[A] R' hf : Function.Surjective ⇑f I : Ideal ...
case h.left.left R✝ : Type u inst✝⁹ : CommRing R✝ A : Type u inst✝⁸ : CommRing A R S R' S' : Type u inst✝⁷ : CommRing R inst✝⁶ : CommRing S inst✝⁵ : CommRing R' inst✝⁴ : CommRing S' inst✝³ : Algebra A R inst✝² : Algebra A S inst✝¹ : Algebra A R' inst✝ : Algebra A S' f : R →ₐ[A] R' hf : Function.Surjective ⇑f I : Ideal ...
Please generate a tactic in lean4 to solve the state. STATE: case h.left.left R✝ : Type u inst✝⁹ : CommRing R✝ A : Type u inst✝⁸ : CommRing A R S R' S' : Type u inst✝⁷ : CommRing R inst✝⁶ : CommRing S inst✝⁵ : CommRing R' inst✝⁴ : CommRing S' inst✝³ : Algebra A R inst✝² : Algebra A S inst✝¹ : Algebra A R' inst✝ : Algeb...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/DPAlgebra/Dpow.lean
DividedPowerAlgebra.condτ_rel
[654, 1]
[728, 12]
rw [Ideal.mem_comap]
case h.left.left R✝ : Type u inst✝⁹ : CommRing R✝ A : Type u inst✝⁸ : CommRing A R S R' S' : Type u inst✝⁷ : CommRing R inst✝⁶ : CommRing S inst✝⁵ : CommRing R' inst✝⁴ : CommRing S' inst✝³ : Algebra A R inst✝² : Algebra A S inst✝¹ : Algebra A R' inst✝ : Algebra A S' f : R →ₐ[A] R' hf : Function.Surjective ⇑f I : Ideal ...
case h.left.left R✝ : Type u inst✝⁹ : CommRing R✝ A : Type u inst✝⁸ : CommRing A R S R' S' : Type u inst✝⁷ : CommRing R inst✝⁶ : CommRing S inst✝⁵ : CommRing R' inst✝⁴ : CommRing S' inst✝³ : Algebra A R inst✝² : Algebra A S inst✝¹ : Algebra A R' inst✝ : Algebra A S' f : R →ₐ[A] R' hf : Function.Surjective ⇑f I : Ideal ...
Please generate a tactic in lean4 to solve the state. STATE: case h.left.left R✝ : Type u inst✝⁹ : CommRing R✝ A : Type u inst✝⁸ : CommRing A R S R' S' : Type u inst✝⁷ : CommRing R inst✝⁶ : CommRing S inst✝⁵ : CommRing R' inst✝⁴ : CommRing S' inst✝³ : Algebra A R inst✝² : Algebra A S inst✝¹ : Algebra A R' inst✝ : Algeb...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/DPAlgebra/Dpow.lean
DividedPowerAlgebra.condτ_rel
[654, 1]
[728, 12]
apply Ideal.mem_sup_left
case h.left.left R✝ : Type u inst✝⁹ : CommRing R✝ A : Type u inst✝⁸ : CommRing A R S R' S' : Type u inst✝⁷ : CommRing R inst✝⁶ : CommRing S inst✝⁵ : CommRing R' inst✝⁴ : CommRing S' inst✝³ : Algebra A R inst✝² : Algebra A S inst✝¹ : Algebra A R' inst✝ : Algebra A S' f : R →ₐ[A] R' hf : Function.Surjective ⇑f I : Ideal ...
case h.left.left.a R✝ : Type u inst✝⁹ : CommRing R✝ A : Type u inst✝⁸ : CommRing A R S R' S' : Type u inst✝⁷ : CommRing R inst✝⁶ : CommRing S inst✝⁵ : CommRing R' inst✝⁴ : CommRing S' inst✝³ : Algebra A R inst✝² : Algebra A S inst✝¹ : Algebra A R' inst✝ : Algebra A S' f : R →ₐ[A] R' hf : Function.Surjective ⇑f I : Idea...
Please generate a tactic in lean4 to solve the state. STATE: case h.left.left R✝ : Type u inst✝⁹ : CommRing R✝ A : Type u inst✝⁸ : CommRing A R S R' S' : Type u inst✝⁷ : CommRing R inst✝⁶ : CommRing S inst✝⁵ : CommRing R' inst✝⁴ : CommRing S' inst✝³ : Algebra A R inst✝² : Algebra A S inst✝¹ : Algebra A R' inst✝ : Algeb...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/DPAlgebra/Dpow.lean
DividedPowerAlgebra.condτ_rel
[654, 1]
[728, 12]
apply Ideal.mem_map_of_mem
case h.left.left.a R✝ : Type u inst✝⁹ : CommRing R✝ A : Type u inst✝⁸ : CommRing A R S R' S' : Type u inst✝⁷ : CommRing R inst✝⁶ : CommRing S inst✝⁵ : CommRing R' inst✝⁴ : CommRing S' inst✝³ : Algebra A R inst✝² : Algebra A S inst✝¹ : Algebra A R' inst✝ : Algebra A S' f : R →ₐ[A] R' hf : Function.Surjective ⇑f I : Idea...
case h.left.left.a.h R✝ : Type u inst✝⁹ : CommRing R✝ A : Type u inst✝⁸ : CommRing A R S R' S' : Type u inst✝⁷ : CommRing R inst✝⁶ : CommRing S inst✝⁵ : CommRing R' inst✝⁴ : CommRing S' inst✝³ : Algebra A R inst✝² : Algebra A S inst✝¹ : Algebra A R' inst✝ : Algebra A S' f : R →ₐ[A] R' hf : Function.Surjective ⇑f I : Id...
Please generate a tactic in lean4 to solve the state. STATE: case h.left.left.a R✝ : Type u inst✝⁹ : CommRing R✝ A : Type u inst✝⁸ : CommRing A R S R' S' : Type u inst✝⁷ : CommRing R inst✝⁶ : CommRing S inst✝⁵ : CommRing R' inst✝⁴ : CommRing S' inst✝³ : Algebra A R inst✝² : Algebra A S inst✝¹ : Algebra A R' inst✝ : Alg...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/DPAlgebra/Dpow.lean
DividedPowerAlgebra.condτ_rel
[654, 1]
[728, 12]
exact ha'
case h.left.left.a.h R✝ : Type u inst✝⁹ : CommRing R✝ A : Type u inst✝⁸ : CommRing A R S R' S' : Type u inst✝⁷ : CommRing R inst✝⁶ : CommRing S inst✝⁵ : CommRing R' inst✝⁴ : CommRing S' inst✝³ : Algebra A R inst✝² : Algebra A S inst✝¹ : Algebra A R' inst✝ : Algebra A S' f : R →ₐ[A] R' hf : Function.Surjective ⇑f I : Id...
no goals
Please generate a tactic in lean4 to solve the state. STATE: case h.left.left.a.h R✝ : Type u inst✝⁹ : CommRing R✝ A : Type u inst✝⁸ : CommRing A R S R' S' : Type u inst✝⁷ : CommRing R inst✝⁶ : CommRing S inst✝⁵ : CommRing R' inst✝⁴ : CommRing S' inst✝³ : Algebra A R inst✝² : Algebra A S inst✝¹ : Algebra A R' inst✝ : A...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/DPAlgebra/Dpow.lean
DividedPowerAlgebra.condτ_rel
[654, 1]
[728, 12]
intro n a' ha'
case h.left.right R✝ : Type u inst✝⁹ : CommRing R✝ A : Type u inst✝⁸ : CommRing A R S R' S' : Type u inst✝⁷ : CommRing R inst✝⁶ : CommRing S inst✝⁵ : CommRing R' inst✝⁴ : CommRing S' inst✝³ : Algebra A R inst✝² : Algebra A S inst✝¹ : Algebra A R' inst✝ : Algebra A S' f : R →ₐ[A] R' hf : Function.Surjective ⇑f I : Ideal...
case h.left.right R✝ : Type u inst✝⁹ : CommRing R✝ A : Type u inst✝⁸ : CommRing A R S R' S' : Type u inst✝⁷ : CommRing R inst✝⁶ : CommRing S inst✝⁵ : CommRing R' inst✝⁴ : CommRing S' inst✝³ : Algebra A R inst✝² : Algebra A S inst✝¹ : Algebra A R' inst✝ : Algebra A S' f : R →ₐ[A] R' hf : Function.Surjective ⇑f I : Ideal...
Please generate a tactic in lean4 to solve the state. STATE: case h.left.right R✝ : Type u inst✝⁹ : CommRing R✝ A : Type u inst✝⁸ : CommRing A R S R' S' : Type u inst✝⁷ : CommRing R inst✝⁶ : CommRing S inst✝⁵ : CommRing R' inst✝⁴ : CommRing S' inst✝³ : Algebra A R inst✝² : Algebra A S inst✝¹ : Algebra A R' inst✝ : Alge...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/DPAlgebra/Dpow.lean
DividedPowerAlgebra.condτ_rel
[654, 1]
[728, 12]
simp only [hI'I, Ideal.mem_map_iff_of_surjective f hf] at ha'
case h.left.right R✝ : Type u inst✝⁹ : CommRing R✝ A : Type u inst✝⁸ : CommRing A R S R' S' : Type u inst✝⁷ : CommRing R inst✝⁶ : CommRing S inst✝⁵ : CommRing R' inst✝⁴ : CommRing S' inst✝³ : Algebra A R inst✝² : Algebra A S inst✝¹ : Algebra A R' inst✝ : Algebra A S' f : R →ₐ[A] R' hf : Function.Surjective ⇑f I : Ideal...
case h.left.right R✝ : Type u inst✝⁹ : CommRing R✝ A : Type u inst✝⁸ : CommRing A R S R' S' : Type u inst✝⁷ : CommRing R inst✝⁶ : CommRing S inst✝⁵ : CommRing R' inst✝⁴ : CommRing S' inst✝³ : Algebra A R inst✝² : Algebra A S inst✝¹ : Algebra A R' inst✝ : Algebra A S' f : R →ₐ[A] R' hf : Function.Surjective ⇑f I : Ideal...
Please generate a tactic in lean4 to solve the state. STATE: case h.left.right R✝ : Type u inst✝⁹ : CommRing R✝ A : Type u inst✝⁸ : CommRing A R S R' S' : Type u inst✝⁷ : CommRing R inst✝⁶ : CommRing S inst✝⁵ : CommRing R' inst✝⁴ : CommRing S' inst✝³ : Algebra A R inst✝² : Algebra A S inst✝¹ : Algebra A R' inst✝ : Alge...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/DPAlgebra/Dpow.lean
DividedPowerAlgebra.condτ_rel
[654, 1]
[728, 12]
obtain ⟨a, ha, rfl⟩ := ha'
case h.left.right R✝ : Type u inst✝⁹ : CommRing R✝ A : Type u inst✝⁸ : CommRing A R S R' S' : Type u inst✝⁷ : CommRing R inst✝⁶ : CommRing S inst✝⁵ : CommRing R' inst✝⁴ : CommRing S' inst✝³ : Algebra A R inst✝² : Algebra A S inst✝¹ : Algebra A R' inst✝ : Algebra A S' f : R →ₐ[A] R' hf : Function.Surjective ⇑f I : Ideal...
case h.left.right.intro.intro R✝ : Type u inst✝⁹ : CommRing R✝ A : Type u inst✝⁸ : CommRing A R S R' S' : Type u inst✝⁷ : CommRing R inst✝⁶ : CommRing S inst✝⁵ : CommRing R' inst✝⁴ : CommRing S' inst✝³ : Algebra A R inst✝² : Algebra A S inst✝¹ : Algebra A R' inst✝ : Algebra A S' f : R →ₐ[A] R' hf : Function.Surjective ...
Please generate a tactic in lean4 to solve the state. STATE: case h.left.right R✝ : Type u inst✝⁹ : CommRing R✝ A : Type u inst✝⁸ : CommRing A R S R' S' : Type u inst✝⁷ : CommRing R inst✝⁶ : CommRing S inst✝⁵ : CommRing R' inst✝⁴ : CommRing S' inst✝³ : Algebra A R inst✝² : Algebra A S inst✝¹ : Algebra A R' inst✝ : Alge...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/DPAlgebra/Dpow.lean
DividedPowerAlgebra.condτ_rel
[654, 1]
[728, 12]
simp only [i1, AlgHom.coe_toRingHom, Algebra.TensorProduct.includeLeft_apply]
case h.left.right.intro.intro R✝ : Type u inst✝⁹ : CommRing R✝ A : Type u inst✝⁸ : CommRing A R S R' S' : Type u inst✝⁷ : CommRing R inst✝⁶ : CommRing S inst✝⁵ : CommRing R' inst✝⁴ : CommRing S' inst✝³ : Algebra A R inst✝² : Algebra A S inst✝¹ : Algebra A R' inst✝ : Algebra A S' f : R →ₐ[A] R' hf : Function.Surjective ...
case h.left.right.intro.intro R✝ : Type u inst✝⁹ : CommRing R✝ A : Type u inst✝⁸ : CommRing A R S R' S' : Type u inst✝⁷ : CommRing R inst✝⁶ : CommRing S inst✝⁵ : CommRing R' inst✝⁴ : CommRing S' inst✝³ : Algebra A R inst✝² : Algebra A S inst✝¹ : Algebra A R' inst✝ : Algebra A S' f : R →ₐ[A] R' hf : Function.Surjective ...
Please generate a tactic in lean4 to solve the state. STATE: case h.left.right.intro.intro R✝ : Type u inst✝⁹ : CommRing R✝ A : Type u inst✝⁸ : CommRing A R S R' S' : Type u inst✝⁷ : CommRing R inst✝⁶ : CommRing S inst✝⁵ : CommRing R' inst✝⁴ : CommRing S' inst✝³ : Algebra A R inst✝² : Algebra A S inst✝¹ : Algebra A R' ...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/DPAlgebra/Dpow.lean
DividedPowerAlgebra.condτ_rel
[654, 1]
[728, 12]
rw [← map_one g, ← Algebra.TensorProduct.map_tmul]
case h.left.right.intro.intro R✝ : Type u inst✝⁹ : CommRing R✝ A : Type u inst✝⁸ : CommRing A R S R' S' : Type u inst✝⁷ : CommRing R inst✝⁶ : CommRing S inst✝⁵ : CommRing R' inst✝⁴ : CommRing S' inst✝³ : Algebra A R inst✝² : Algebra A S inst✝¹ : Algebra A R' inst✝ : Algebra A S' f : R →ₐ[A] R' hf : Function.Surjective ...
case h.left.right.intro.intro R✝ : Type u inst✝⁹ : CommRing R✝ A : Type u inst✝⁸ : CommRing A R S R' S' : Type u inst✝⁷ : CommRing R inst✝⁶ : CommRing S inst✝⁵ : CommRing R' inst✝⁴ : CommRing S' inst✝³ : Algebra A R inst✝² : Algebra A S inst✝¹ : Algebra A R' inst✝ : Algebra A S' f : R →ₐ[A] R' hf : Function.Surjective ...
Please generate a tactic in lean4 to solve the state. STATE: case h.left.right.intro.intro R✝ : Type u inst✝⁹ : CommRing R✝ A : Type u inst✝⁸ : CommRing A R S R' S' : Type u inst✝⁷ : CommRing R inst✝⁶ : CommRing S inst✝⁵ : CommRing R' inst✝⁴ : CommRing S' inst✝³ : Algebra A R inst✝² : Algebra A S inst✝¹ : Algebra A R' ...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/DPAlgebra/Dpow.lean
DividedPowerAlgebra.condτ_rel
[654, 1]
[728, 12]
rw [← AlgHom.coe_toRingHom f, hf'.2 n a ha, RingHom.coe_coe]
case h.left.right.intro.intro R✝ : Type u inst✝⁹ : CommRing R✝ A : Type u inst✝⁸ : CommRing A R S R' S' : Type u inst✝⁷ : CommRing R inst✝⁶ : CommRing S inst✝⁵ : CommRing R' inst✝⁴ : CommRing S' inst✝³ : Algebra A R inst✝² : Algebra A S inst✝¹ : Algebra A R' inst✝ : Algebra A S' f : R →ₐ[A] R' hf : Function.Surjective ...
case h.left.right.intro.intro R✝ : Type u inst✝⁹ : CommRing R✝ A : Type u inst✝⁸ : CommRing A R S R' S' : Type u inst✝⁷ : CommRing R inst✝⁶ : CommRing S inst✝⁵ : CommRing R' inst✝⁴ : CommRing S' inst✝³ : Algebra A R inst✝² : Algebra A S inst✝¹ : Algebra A R' inst✝ : Algebra A S' f : R →ₐ[A] R' hf : Function.Surjective ...
Please generate a tactic in lean4 to solve the state. STATE: case h.left.right.intro.intro R✝ : Type u inst✝⁹ : CommRing R✝ A : Type u inst✝⁸ : CommRing A R S R' S' : Type u inst✝⁷ : CommRing R inst✝⁶ : CommRing S inst✝⁵ : CommRing R' inst✝⁴ : CommRing S' inst✝³ : Algebra A R inst✝² : Algebra A S inst✝¹ : Algebra A R' ...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/DPAlgebra/Dpow.lean
DividedPowerAlgebra.condτ_rel
[654, 1]
[728, 12]
rw [← Algebra.TensorProduct.map_tmul]
case h.left.right.intro.intro R✝ : Type u inst✝⁹ : CommRing R✝ A : Type u inst✝⁸ : CommRing A R S R' S' : Type u inst✝⁷ : CommRing R inst✝⁶ : CommRing S inst✝⁵ : CommRing R' inst✝⁴ : CommRing S' inst✝³ : Algebra A R inst✝² : Algebra A S inst✝¹ : Algebra A R' inst✝ : Algebra A S' f : R →ₐ[A] R' hf : Function.Surjective ...
case h.left.right.intro.intro R✝ : Type u inst✝⁹ : CommRing R✝ A : Type u inst✝⁸ : CommRing A R S R' S' : Type u inst✝⁷ : CommRing R inst✝⁶ : CommRing S inst✝⁵ : CommRing R' inst✝⁴ : CommRing S' inst✝³ : Algebra A R inst✝² : Algebra A S inst✝¹ : Algebra A R' inst✝ : Algebra A S' f : R →ₐ[A] R' hf : Function.Surjective ...
Please generate a tactic in lean4 to solve the state. STATE: case h.left.right.intro.intro R✝ : Type u inst✝⁹ : CommRing R✝ A : Type u inst✝⁸ : CommRing A R S R' S' : Type u inst✝⁷ : CommRing R inst✝⁶ : CommRing S inst✝⁵ : CommRing R' inst✝⁴ : CommRing S' inst✝³ : Algebra A R inst✝² : Algebra A S inst✝¹ : Algebra A R' ...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/DPAlgebra/Dpow.lean
DividedPowerAlgebra.condτ_rel
[654, 1]
[728, 12]
erw [Quotient.OfSurjective.dpow_apply hK s_fg hK'_pd]
case h.left.right.intro.intro R✝ : Type u inst✝⁹ : CommRing R✝ A : Type u inst✝⁸ : CommRing A R S R' S' : Type u inst✝⁷ : CommRing R inst✝⁶ : CommRing S inst✝⁵ : CommRing R' inst✝⁴ : CommRing S' inst✝³ : Algebra A R inst✝² : Algebra A S inst✝¹ : Algebra A R' inst✝ : Algebra A S' f : R →ₐ[A] R' hf : Function.Surjective ...
case h.left.right.intro.intro R✝ : Type u inst✝⁹ : CommRing R✝ A : Type u inst✝⁸ : CommRing A R S R' S' : Type u inst✝⁷ : CommRing R inst✝⁶ : CommRing S inst✝⁵ : CommRing R' inst✝⁴ : CommRing S' inst✝³ : Algebra A R inst✝² : Algebra A S inst✝¹ : Algebra A R' inst✝ : Algebra A S' f : R →ₐ[A] R' hf : Function.Surjective ...
Please generate a tactic in lean4 to solve the state. STATE: case h.left.right.intro.intro R✝ : Type u inst✝⁹ : CommRing R✝ A : Type u inst✝⁸ : CommRing A R S R' S' : Type u inst✝⁷ : CommRing R inst✝⁶ : CommRing S inst✝⁵ : CommRing R' inst✝⁴ : CommRing S' inst✝³ : Algebra A R inst✝² : Algebra A S inst✝¹ : Algebra A R' ...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/DPAlgebra/Dpow.lean
DividedPowerAlgebra.condτ_rel
[654, 1]
[728, 12]
apply congr_arg
case h.left.right.intro.intro R✝ : Type u inst✝⁹ : CommRing R✝ A : Type u inst✝⁸ : CommRing A R S R' S' : Type u inst✝⁷ : CommRing R inst✝⁶ : CommRing S inst✝⁵ : CommRing R' inst✝⁴ : CommRing S' inst✝³ : Algebra A R inst✝² : Algebra A S inst✝¹ : Algebra A R' inst✝ : Algebra A S' f : R →ₐ[A] R' hf : Function.Surjective ...
case h.left.right.intro.intro.h R✝ : Type u inst✝⁹ : CommRing R✝ A : Type u inst✝⁸ : CommRing A R S R' S' : Type u inst✝⁷ : CommRing R inst✝⁶ : CommRing S inst✝⁵ : CommRing R' inst✝⁴ : CommRing S' inst✝³ : Algebra A R inst✝² : Algebra A S inst✝¹ : Algebra A R' inst✝ : Algebra A S' f : R →ₐ[A] R' hf : Function.Surjectiv...
Please generate a tactic in lean4 to solve the state. STATE: case h.left.right.intro.intro R✝ : Type u inst✝⁹ : CommRing R✝ A : Type u inst✝⁸ : CommRing A R S R' S' : Type u inst✝⁷ : CommRing R inst✝⁶ : CommRing S inst✝⁵ : CommRing R' inst✝⁴ : CommRing S' inst✝³ : Algebra A R inst✝² : Algebra A S inst✝¹ : Algebra A R' ...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/DPAlgebra/Dpow.lean
DividedPowerAlgebra.condτ_rel
[654, 1]
[728, 12]
exact hK_pd.1.2 n a ha
case h.left.right.intro.intro.h R✝ : Type u inst✝⁹ : CommRing R✝ A : Type u inst✝⁸ : CommRing A R S R' S' : Type u inst✝⁷ : CommRing R inst✝⁶ : CommRing S inst✝⁵ : CommRing R' inst✝⁴ : CommRing S' inst✝³ : Algebra A R inst✝² : Algebra A S inst✝¹ : Algebra A R' inst✝ : Algebra A S' f : R →ₐ[A] R' hf : Function.Surjectiv...
case h.left.right.intro.intro R✝ : Type u inst✝⁹ : CommRing R✝ A : Type u inst✝⁸ : CommRing A R S R' S' : Type u inst✝⁷ : CommRing R inst✝⁶ : CommRing S inst✝⁵ : CommRing R' inst✝⁴ : CommRing S' inst✝³ : Algebra A R inst✝² : Algebra A S inst✝¹ : Algebra A R' inst✝ : Algebra A S' f : R →ₐ[A] R' hf : Function.Surjective ...
Please generate a tactic in lean4 to solve the state. STATE: case h.left.right.intro.intro.h R✝ : Type u inst✝⁹ : CommRing R✝ A : Type u inst✝⁸ : CommRing A R S R' S' : Type u inst✝⁷ : CommRing R inst✝⁶ : CommRing S inst✝⁵ : CommRing R' inst✝⁴ : CommRing S' inst✝³ : Algebra A R inst✝² : Algebra A S inst✝¹ : Algebra A R...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/DPAlgebra/Dpow.lean
DividedPowerAlgebra.condτ_rel
[654, 1]
[728, 12]
apply Ideal.mem_sup_left
case h.left.right.intro.intro R✝ : Type u inst✝⁹ : CommRing R✝ A : Type u inst✝⁸ : CommRing A R S R' S' : Type u inst✝⁷ : CommRing R inst✝⁶ : CommRing S inst✝⁵ : CommRing R' inst✝⁴ : CommRing S' inst✝³ : Algebra A R inst✝² : Algebra A S inst✝¹ : Algebra A R' inst✝ : Algebra A S' f : R →ₐ[A] R' hf : Function.Surjective ...
case h.left.right.intro.intro.a R✝ : Type u inst✝⁹ : CommRing R✝ A : Type u inst✝⁸ : CommRing A R S R' S' : Type u inst✝⁷ : CommRing R inst✝⁶ : CommRing S inst✝⁵ : CommRing R' inst✝⁴ : CommRing S' inst✝³ : Algebra A R inst✝² : Algebra A S inst✝¹ : Algebra A R' inst✝ : Algebra A S' f : R →ₐ[A] R' hf : Function.Surjectiv...
Please generate a tactic in lean4 to solve the state. STATE: case h.left.right.intro.intro R✝ : Type u inst✝⁹ : CommRing R✝ A : Type u inst✝⁸ : CommRing A R S R' S' : Type u inst✝⁷ : CommRing R inst✝⁶ : CommRing S inst✝⁵ : CommRing R' inst✝⁴ : CommRing S' inst✝³ : Algebra A R inst✝² : Algebra A S inst✝¹ : Algebra A R' ...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/DPAlgebra/Dpow.lean
DividedPowerAlgebra.condτ_rel
[654, 1]
[728, 12]
apply Ideal.mem_map_of_mem _ ha
case h.left.right.intro.intro.a R✝ : Type u inst✝⁹ : CommRing R✝ A : Type u inst✝⁸ : CommRing A R S R' S' : Type u inst✝⁷ : CommRing R inst✝⁶ : CommRing S inst✝⁵ : CommRing R' inst✝⁴ : CommRing S' inst✝³ : Algebra A R inst✝² : Algebra A S inst✝¹ : Algebra A R' inst✝ : Algebra A S' f : R →ₐ[A] R' hf : Function.Surjectiv...
no goals
Please generate a tactic in lean4 to solve the state. STATE: case h.left.right.intro.intro.a R✝ : Type u inst✝⁹ : CommRing R✝ A : Type u inst✝⁸ : CommRing A R S R' S' : Type u inst✝⁷ : CommRing R inst✝⁶ : CommRing S inst✝⁵ : CommRing R' inst✝⁴ : CommRing S' inst✝³ : Algebra A R inst✝² : Algebra A S inst✝¹ : Algebra A R...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/DPAlgebra/Dpow.lean
DividedPowerAlgebra.condτ_rel
[654, 1]
[728, 12]
constructor
case h.right R✝ : Type u inst✝⁹ : CommRing R✝ A : Type u inst✝⁸ : CommRing A R S R' S' : Type u inst✝⁷ : CommRing R inst✝⁶ : CommRing S inst✝⁵ : CommRing R' inst✝⁴ : CommRing S' inst✝³ : Algebra A R inst✝² : Algebra A S inst✝¹ : Algebra A R' inst✝ : Algebra A S' f : R →ₐ[A] R' hf : Function.Surjective ⇑f I : Ideal R hI...
case h.right.left R✝ : Type u inst✝⁹ : CommRing R✝ A : Type u inst✝⁸ : CommRing A R S R' S' : Type u inst✝⁷ : CommRing R inst✝⁶ : CommRing S inst✝⁵ : CommRing R' inst✝⁴ : CommRing S' inst✝³ : Algebra A R inst✝² : Algebra A S inst✝¹ : Algebra A R' inst✝ : Algebra A S' f : R →ₐ[A] R' hf : Function.Surjective ⇑f I : Ideal...
Please generate a tactic in lean4 to solve the state. STATE: case h.right R✝ : Type u inst✝⁹ : CommRing R✝ A : Type u inst✝⁸ : CommRing A R S R' S' : Type u inst✝⁷ : CommRing R inst✝⁶ : CommRing S inst✝⁵ : CommRing R' inst✝⁴ : CommRing S' inst✝³ : Algebra A R inst✝² : Algebra A S inst✝¹ : Algebra A R' inst✝ : Algebra A...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/DPAlgebra/Dpow.lean
DividedPowerAlgebra.condτ_rel
[654, 1]
[728, 12]
rw [← hK_map]
case h.right.left R✝ : Type u inst✝⁹ : CommRing R✝ A : Type u inst✝⁸ : CommRing A R S R' S' : Type u inst✝⁷ : CommRing R inst✝⁶ : CommRing S inst✝⁵ : CommRing R' inst✝⁴ : CommRing S' inst✝³ : Algebra A R inst✝² : Algebra A S inst✝¹ : Algebra A R' inst✝ : Algebra A S' f : R →ₐ[A] R' hf : Function.Surjective ⇑f I : Ideal...
case h.right.left R✝ : Type u inst✝⁹ : CommRing R✝ A : Type u inst✝⁸ : CommRing A R S R' S' : Type u inst✝⁷ : CommRing R inst✝⁶ : CommRing S inst✝⁵ : CommRing R' inst✝⁴ : CommRing S' inst✝³ : Algebra A R inst✝² : Algebra A S inst✝¹ : Algebra A R' inst✝ : Algebra A S' f : R →ₐ[A] R' hf : Function.Surjective ⇑f I : Ideal...
Please generate a tactic in lean4 to solve the state. STATE: case h.right.left R✝ : Type u inst✝⁹ : CommRing R✝ A : Type u inst✝⁸ : CommRing A R S R' S' : Type u inst✝⁷ : CommRing R inst✝⁶ : CommRing S inst✝⁵ : CommRing R' inst✝⁴ : CommRing S' inst✝³ : Algebra A R inst✝² : Algebra A S inst✝¹ : Algebra A R' inst✝ : Alge...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/DPAlgebra/Dpow.lean
DividedPowerAlgebra.condτ_rel
[654, 1]
[728, 12]
rw [Ideal.map_le_iff_le_comap]
case h.right.left R✝ : Type u inst✝⁹ : CommRing R✝ A : Type u inst✝⁸ : CommRing A R S R' S' : Type u inst✝⁷ : CommRing R inst✝⁶ : CommRing S inst✝⁵ : CommRing R' inst✝⁴ : CommRing S' inst✝³ : Algebra A R inst✝² : Algebra A S inst✝¹ : Algebra A R' inst✝ : Algebra A S' f : R →ₐ[A] R' hf : Function.Surjective ⇑f I : Ideal...
case h.right.left R✝ : Type u inst✝⁹ : CommRing R✝ A : Type u inst✝⁸ : CommRing A R S R' S' : Type u inst✝⁷ : CommRing R inst✝⁶ : CommRing S inst✝⁵ : CommRing R' inst✝⁴ : CommRing S' inst✝³ : Algebra A R inst✝² : Algebra A S inst✝¹ : Algebra A R' inst✝ : Algebra A S' f : R →ₐ[A] R' hf : Function.Surjective ⇑f I : Ideal...
Please generate a tactic in lean4 to solve the state. STATE: case h.right.left R✝ : Type u inst✝⁹ : CommRing R✝ A : Type u inst✝⁸ : CommRing A R S R' S' : Type u inst✝⁷ : CommRing R inst✝⁶ : CommRing S inst✝⁵ : CommRing R' inst✝⁴ : CommRing S' inst✝³ : Algebra A R inst✝² : Algebra A S inst✝¹ : Algebra A R' inst✝ : Alge...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/DPAlgebra/Dpow.lean
DividedPowerAlgebra.condτ_rel
[654, 1]
[728, 12]
intro a' ha'
case h.right.left R✝ : Type u inst✝⁹ : CommRing R✝ A : Type u inst✝⁸ : CommRing A R S R' S' : Type u inst✝⁷ : CommRing R inst✝⁶ : CommRing S inst✝⁵ : CommRing R' inst✝⁴ : CommRing S' inst✝³ : Algebra A R inst✝² : Algebra A S inst✝¹ : Algebra A R' inst✝ : Algebra A S' f : R →ₐ[A] R' hf : Function.Surjective ⇑f I : Ideal...
case h.right.left R✝ : Type u inst✝⁹ : CommRing R✝ A : Type u inst✝⁸ : CommRing A R S R' S' : Type u inst✝⁷ : CommRing R inst✝⁶ : CommRing S inst✝⁵ : CommRing R' inst✝⁴ : CommRing S' inst✝³ : Algebra A R inst✝² : Algebra A S inst✝¹ : Algebra A R' inst✝ : Algebra A S' f : R →ₐ[A] R' hf : Function.Surjective ⇑f I : Ideal...
Please generate a tactic in lean4 to solve the state. STATE: case h.right.left R✝ : Type u inst✝⁹ : CommRing R✝ A : Type u inst✝⁸ : CommRing A R S R' S' : Type u inst✝⁷ : CommRing R inst✝⁶ : CommRing S inst✝⁵ : CommRing R' inst✝⁴ : CommRing S' inst✝³ : Algebra A R inst✝² : Algebra A S inst✝¹ : Algebra A R' inst✝ : Alge...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/DPAlgebra/Dpow.lean
DividedPowerAlgebra.condτ_rel
[654, 1]
[728, 12]
rw [Ideal.mem_comap]
case h.right.left R✝ : Type u inst✝⁹ : CommRing R✝ A : Type u inst✝⁸ : CommRing A R S R' S' : Type u inst✝⁷ : CommRing R inst✝⁶ : CommRing S inst✝⁵ : CommRing R' inst✝⁴ : CommRing S' inst✝³ : Algebra A R inst✝² : Algebra A S inst✝¹ : Algebra A R' inst✝ : Algebra A S' f : R →ₐ[A] R' hf : Function.Surjective ⇑f I : Ideal...
case h.right.left R✝ : Type u inst✝⁹ : CommRing R✝ A : Type u inst✝⁸ : CommRing A R S R' S' : Type u inst✝⁷ : CommRing R inst✝⁶ : CommRing S inst✝⁵ : CommRing R' inst✝⁴ : CommRing S' inst✝³ : Algebra A R inst✝² : Algebra A S inst✝¹ : Algebra A R' inst✝ : Algebra A S' f : R →ₐ[A] R' hf : Function.Surjective ⇑f I : Ideal...
Please generate a tactic in lean4 to solve the state. STATE: case h.right.left R✝ : Type u inst✝⁹ : CommRing R✝ A : Type u inst✝⁸ : CommRing A R S R' S' : Type u inst✝⁷ : CommRing R inst✝⁶ : CommRing S inst✝⁵ : CommRing R' inst✝⁴ : CommRing S' inst✝³ : Algebra A R inst✝² : Algebra A S inst✝¹ : Algebra A R' inst✝ : Alge...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/DPAlgebra/Dpow.lean
DividedPowerAlgebra.condτ_rel
[654, 1]
[728, 12]
apply Ideal.mem_sup_right
case h.right.left R✝ : Type u inst✝⁹ : CommRing R✝ A : Type u inst✝⁸ : CommRing A R S R' S' : Type u inst✝⁷ : CommRing R inst✝⁶ : CommRing S inst✝⁵ : CommRing R' inst✝⁴ : CommRing S' inst✝³ : Algebra A R inst✝² : Algebra A S inst✝¹ : Algebra A R' inst✝ : Algebra A S' f : R →ₐ[A] R' hf : Function.Surjective ⇑f I : Ideal...
case h.right.left.a R✝ : Type u inst✝⁹ : CommRing R✝ A : Type u inst✝⁸ : CommRing A R S R' S' : Type u inst✝⁷ : CommRing R inst✝⁶ : CommRing S inst✝⁵ : CommRing R' inst✝⁴ : CommRing S' inst✝³ : Algebra A R inst✝² : Algebra A S inst✝¹ : Algebra A R' inst✝ : Algebra A S' f : R →ₐ[A] R' hf : Function.Surjective ⇑f I : Ide...
Please generate a tactic in lean4 to solve the state. STATE: case h.right.left R✝ : Type u inst✝⁹ : CommRing R✝ A : Type u inst✝⁸ : CommRing A R S R' S' : Type u inst✝⁷ : CommRing R inst✝⁶ : CommRing S inst✝⁵ : CommRing R' inst✝⁴ : CommRing S' inst✝³ : Algebra A R inst✝² : Algebra A S inst✝¹ : Algebra A R' inst✝ : Alge...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/DPAlgebra/Dpow.lean
DividedPowerAlgebra.condτ_rel
[654, 1]
[728, 12]
apply Ideal.mem_map_of_mem
case h.right.left.a R✝ : Type u inst✝⁹ : CommRing R✝ A : Type u inst✝⁸ : CommRing A R S R' S' : Type u inst✝⁷ : CommRing R inst✝⁶ : CommRing S inst✝⁵ : CommRing R' inst✝⁴ : CommRing S' inst✝³ : Algebra A R inst✝² : Algebra A S inst✝¹ : Algebra A R' inst✝ : Algebra A S' f : R →ₐ[A] R' hf : Function.Surjective ⇑f I : Ide...
case h.right.left.a.h R✝ : Type u inst✝⁹ : CommRing R✝ A : Type u inst✝⁸ : CommRing A R S R' S' : Type u inst✝⁷ : CommRing R inst✝⁶ : CommRing S inst✝⁵ : CommRing R' inst✝⁴ : CommRing S' inst✝³ : Algebra A R inst✝² : Algebra A S inst✝¹ : Algebra A R' inst✝ : Algebra A S' f : R →ₐ[A] R' hf : Function.Surjective ⇑f I : I...
Please generate a tactic in lean4 to solve the state. STATE: case h.right.left.a R✝ : Type u inst✝⁹ : CommRing R✝ A : Type u inst✝⁸ : CommRing A R S R' S' : Type u inst✝⁷ : CommRing R inst✝⁶ : CommRing S inst✝⁵ : CommRing R' inst✝⁴ : CommRing S' inst✝³ : Algebra A R inst✝² : Algebra A S inst✝¹ : Algebra A R' inst✝ : Al...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/DPAlgebra/Dpow.lean
DividedPowerAlgebra.condτ_rel
[654, 1]
[728, 12]
exact ha'
case h.right.left.a.h R✝ : Type u inst✝⁹ : CommRing R✝ A : Type u inst✝⁸ : CommRing A R S R' S' : Type u inst✝⁷ : CommRing R inst✝⁶ : CommRing S inst✝⁵ : CommRing R' inst✝⁴ : CommRing S' inst✝³ : Algebra A R inst✝² : Algebra A S inst✝¹ : Algebra A R' inst✝ : Algebra A S' f : R →ₐ[A] R' hf : Function.Surjective ⇑f I : I...
no goals
Please generate a tactic in lean4 to solve the state. STATE: case h.right.left.a.h R✝ : Type u inst✝⁹ : CommRing R✝ A : Type u inst✝⁸ : CommRing A R S R' S' : Type u inst✝⁷ : CommRing R inst✝⁶ : CommRing S inst✝⁵ : CommRing R' inst✝⁴ : CommRing S' inst✝³ : Algebra A R inst✝² : Algebra A S inst✝¹ : Algebra A R' inst✝ : ...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/DPAlgebra/Dpow.lean
DividedPowerAlgebra.condτ_rel
[654, 1]
[728, 12]
intro n a' ha'
case h.right.right R✝ : Type u inst✝⁹ : CommRing R✝ A : Type u inst✝⁸ : CommRing A R S R' S' : Type u inst✝⁷ : CommRing R inst✝⁶ : CommRing S inst✝⁵ : CommRing R' inst✝⁴ : CommRing S' inst✝³ : Algebra A R inst✝² : Algebra A S inst✝¹ : Algebra A R' inst✝ : Algebra A S' f : R →ₐ[A] R' hf : Function.Surjective ⇑f I : Idea...
case h.right.right R✝ : Type u inst✝⁹ : CommRing R✝ A : Type u inst✝⁸ : CommRing A R S R' S' : Type u inst✝⁷ : CommRing R inst✝⁶ : CommRing S inst✝⁵ : CommRing R' inst✝⁴ : CommRing S' inst✝³ : Algebra A R inst✝² : Algebra A S inst✝¹ : Algebra A R' inst✝ : Algebra A S' f : R →ₐ[A] R' hf : Function.Surjective ⇑f I : Idea...
Please generate a tactic in lean4 to solve the state. STATE: case h.right.right R✝ : Type u inst✝⁹ : CommRing R✝ A : Type u inst✝⁸ : CommRing A R S R' S' : Type u inst✝⁷ : CommRing R inst✝⁶ : CommRing S inst✝⁵ : CommRing R' inst✝⁴ : CommRing S' inst✝³ : Algebra A R inst✝² : Algebra A S inst✝¹ : Algebra A R' inst✝ : Alg...