refactor: Change case of type and props
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58 changed files with 695 additions and 696 deletions
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@ -148,7 +148,7 @@ end theDeltas
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section theBasisVectors
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/-- The first part of the basis as charge assignments. -/
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def basisAsCharges (j : Fin n) : (PureU1 (2 * n + 1)).charges :=
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def basisAsCharges (j : Fin n) : (PureU1 (2 * n + 1)).Charges :=
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fun i =>
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if i = δ₁ j then
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1
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@ -159,7 +159,7 @@ def basisAsCharges (j : Fin n) : (PureU1 (2 * n + 1)).charges :=
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0
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/-- The second part of the basis as charge assignments. -/
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def basis!AsCharges (j : Fin n) : (PureU1 (2 * n + 1)).charges :=
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def basis!AsCharges (j : Fin n) : (PureU1 (2 * n + 1)).Charges :=
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fun i =>
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if i = δ!₁ j then
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1
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@ -351,13 +351,13 @@ lemma swap!_as_add {S S' : (PureU1 (2 * n + 1)).LinSols} (j : Fin n)
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simp
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/-- A point in the span of the first part of the basis as a charge. -/
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def P (f : Fin n → ℚ) : (PureU1 (2 * n + 1)).charges := ∑ i, f i • basisAsCharges i
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def P (f : Fin n → ℚ) : (PureU1 (2 * n + 1)).Charges := ∑ i, f i • basisAsCharges i
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/-- A point in the span of the second part of the basis as a charge. -/
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def P! (f : Fin n → ℚ) : (PureU1 (2 * n + 1)).charges := ∑ i, f i • basis!AsCharges i
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def P! (f : Fin n → ℚ) : (PureU1 (2 * n + 1)).Charges := ∑ i, f i • basis!AsCharges i
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/-- A point in the span of the basis as a charge. -/
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def Pa (f : Fin n → ℚ) (g : Fin n → ℚ) : (PureU1 (2 * n + 1)).charges := P f + P! g
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def Pa (f : Fin n → ℚ) (g : Fin n → ℚ) : (PureU1 (2 * n + 1)).Charges := P f + P! g
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lemma P_δ₁ (f : Fin n → ℚ) (j : Fin n) : P f (δ₁ j) = f j := by
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rw [P, sum_of_charges]
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@ -36,11 +36,11 @@ open VectorLikeOddPlane
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/-- A property on `LinSols`, satisfied if every point on the line between the two planes
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in the basis through that point is in the cubic. -/
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def lineInCubic (S : (PureU1 (2 * n + 1)).LinSols) : Prop :=
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def LineInCubic (S : (PureU1 (2 * n + 1)).LinSols) : Prop :=
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∀ (g f : Fin n → ℚ) (_ : S.val = Pa g f) (a b : ℚ) ,
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accCube (2 * n + 1) (a • P g + b • P! f) = 0
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lemma lineInCubic_expand {S : (PureU1 (2 * n + 1)).LinSols} (h : lineInCubic S) :
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lemma lineInCubic_expand {S : (PureU1 (2 * n + 1)).LinSols} (h : LineInCubic S) :
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∀ (g : Fin n → ℚ) (f : Fin n → ℚ) (_ : S.val = P g + P! f) (a b : ℚ) ,
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3 * a * b * (a * accCubeTriLinSymm (P g) (P g) (P! f)
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+ b * accCubeTriLinSymm (P! f) (P! f) (P g)) = 0 := by
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@ -55,7 +55,7 @@ lemma lineInCubic_expand {S : (PureU1 (2 * n + 1)).LinSols} (h : lineInCubic S)
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ring
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lemma line_in_cubic_P_P_P! {S : (PureU1 (2 * n + 1)).LinSols} (h : lineInCubic S) :
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lemma line_in_cubic_P_P_P! {S : (PureU1 (2 * n + 1)).LinSols} (h : LineInCubic S) :
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∀ (g : Fin n → ℚ) (f : Fin n → ℚ) (_ : S.val = P g + P! f),
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accCubeTriLinSymm (P g) (P g) (P! f) = 0 := by
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intro g f hS
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@ -65,19 +65,19 @@ lemma line_in_cubic_P_P_P! {S : (PureU1 (2 * n + 1)).LinSols} (h : lineInCubic S
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/-- We say a `LinSol` satisfies `lineInCubicPerm` if all its permutations satisfy `lineInCubic`. -/
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def lineInCubicPerm (S : (PureU1 (2 * n + 1)).LinSols) : Prop :=
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def LineInCubicPerm (S : (PureU1 (2 * n + 1)).LinSols) : Prop :=
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∀ (M : (FamilyPermutations (2 * n + 1)).group ),
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lineInCubic ((FamilyPermutations (2 * n + 1)).linSolRep M S)
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LineInCubic ((FamilyPermutations (2 * n + 1)).linSolRep M S)
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/-- If `lineInCubicPerm S` then `lineInCubic S`. -/
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lemma lineInCubicPerm_self {S : (PureU1 (2 * n + 1)).LinSols} (hS : lineInCubicPerm S) :
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lineInCubic S := hS 1
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lemma lineInCubicPerm_self {S : (PureU1 (2 * n + 1)).LinSols} (hS : LineInCubicPerm S) :
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LineInCubic S := hS 1
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/-- If `lineInCubicPerm S` then `lineInCubicPerm (M S)` for all permutations `M`. -/
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lemma lineInCubicPerm_permute {S : (PureU1 (2 * n + 1)).LinSols}
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(hS : lineInCubicPerm S) (M' : (FamilyPermutations (2 * n + 1)).group) :
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lineInCubicPerm ((FamilyPermutations (2 * n + 1)).linSolRep M' S) := by
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rw [lineInCubicPerm]
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(hS : LineInCubicPerm S) (M' : (FamilyPermutations (2 * n + 1)).group) :
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LineInCubicPerm ((FamilyPermutations (2 * n + 1)).linSolRep M' S) := by
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rw [LineInCubicPerm]
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intro M
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have ht : ((FamilyPermutations (2 * n + 1)).linSolRep M)
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((FamilyPermutations (2 * n + 1)).linSolRep M' S)
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@ -88,7 +88,7 @@ lemma lineInCubicPerm_permute {S : (PureU1 (2 * n + 1)).LinSols}
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lemma lineInCubicPerm_swap {S : (PureU1 (2 * n.succ + 1)).LinSols}
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(LIC : lineInCubicPerm S) :
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(LIC : LineInCubicPerm S) :
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∀ (j : Fin n.succ) (g f : Fin n.succ → ℚ) (_ : S.val = Pa g f) ,
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(S.val (δ!₂ j) - S.val (δ!₁ j))
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* accCubeTriLinSymm (P g) (P g) (basis!AsCharges j) = 0 := by
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@ -134,8 +134,8 @@ lemma P_P_P!_accCube' {S : (PureU1 (2 * n.succ.succ + 1)).LinSols}
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ring
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lemma lineInCubicPerm_last_cond {S : (PureU1 (2 * n.succ.succ+1)).LinSols}
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(LIC : lineInCubicPerm S) :
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lineInPlaneProp ((S.val (δ!₂ 0)), ((S.val (δ!₁ 0)), (S.val δ!₃))) := by
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(LIC : LineInCubicPerm S) :
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LineInPlaneProp ((S.val (δ!₂ 0)), ((S.val (δ!₁ 0)), (S.val δ!₃))) := by
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obtain ⟨g, f, hfg⟩ := span_basis S
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have h1 := lineInCubicPerm_swap LIC 0 g f hfg
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rw [P_P_P!_accCube' g f hfg] at h1
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@ -152,8 +152,8 @@ lemma lineInCubicPerm_last_cond {S : (PureU1 (2 * n.succ.succ+1)).LinSols}
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linear_combination h1
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lemma lineInCubicPerm_last_perm {S : (PureU1 (2 * n.succ.succ + 1)).LinSols}
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(LIC : lineInCubicPerm S) : lineInPlaneCond S := by
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refine @Prop_three (2 * n.succ.succ + 1) lineInPlaneProp S (δ!₂ 0) (δ!₁ 0)
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(LIC : LineInCubicPerm S) : LineInPlaneCond S := by
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refine @Prop_three (2 * n.succ.succ + 1) LineInPlaneProp S (δ!₂ 0) (δ!₁ 0)
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δ!₃ ?_ ?_ ?_ ?_
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simp [Fin.ext_iff, δ!₂, δ!₁]
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simp [Fin.ext_iff, δ!₂, δ!₃]
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@ -162,11 +162,11 @@ lemma lineInCubicPerm_last_perm {S : (PureU1 (2 * n.succ.succ + 1)).LinSols}
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exact lineInCubicPerm_last_cond (lineInCubicPerm_permute LIC M)
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lemma lineInCubicPerm_constAbs {S : (PureU1 (2 * n.succ.succ + 1)).LinSols}
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(LIC : lineInCubicPerm S) : constAbs S.val :=
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(LIC : LineInCubicPerm S) : ConstAbs S.val :=
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linesInPlane_constAbs (lineInCubicPerm_last_perm LIC)
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theorem lineInCubicPerm_zero {S : (PureU1 (2 * n.succ.succ + 1)).LinSols}
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(LIC : lineInCubicPerm S) : S = 0 :=
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(LIC : LineInCubicPerm S) : S = 0 :=
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ConstAbs.boundary_value_odd S (lineInCubicPerm_constAbs LIC)
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end Odd
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@ -77,13 +77,13 @@ lemma anomalyFree_param {S : (PureU1 (2 * n + 1)).Sols}
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/-- A proposition on a solution which is true if `accCubeTriLinSymm (P g, P g, P! f) ≠ 0`.
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In this case our parameterization above will be able to recover this point. -/
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def genericCase (S : (PureU1 (2 * n.succ + 1)).Sols) : Prop :=
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def GenericCase (S : (PureU1 (2 * n.succ + 1)).Sols) : Prop :=
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∀ (g f : Fin n.succ → ℚ) (_ : S.val = P g + P! f) ,
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accCubeTriLinSymm (P g) (P g) (P! f) ≠ 0
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lemma genericCase_exists (S : (PureU1 (2 * n.succ + 1)).Sols)
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(hs : ∃ (g f : Fin n.succ → ℚ), S.val = P g + P! f ∧
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accCubeTriLinSymm (P g) (P g) (P! f) ≠ 0) : genericCase S := by
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accCubeTriLinSymm (P g) (P g) (P! f) ≠ 0) : GenericCase S := by
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intro g f hS hC
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obtain ⟨g', f', hS', hC'⟩ := hs
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rw [hS] at hS'
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@ -93,13 +93,13 @@ lemma genericCase_exists (S : (PureU1 (2 * n.succ + 1)).Sols)
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/-- A proposition on a solution which is true if `accCubeTriLinSymm (P g, P g, P! f) ≠ 0`.
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In this case we will show that S is zero if it is true for all permutations. -/
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def specialCase (S : (PureU1 (2 * n.succ + 1)).Sols) : Prop :=
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def SpecialCase (S : (PureU1 (2 * n.succ + 1)).Sols) : Prop :=
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∀ (g f : Fin n.succ → ℚ) (_ : S.val = P g + P! f) ,
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accCubeTriLinSymm (P g) (P g) (P! f) = 0
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lemma specialCase_exists (S : (PureU1 (2 * n.succ + 1)).Sols)
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(hs : ∃ (g f : Fin n.succ → ℚ), S.val = P g + P! f ∧
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accCubeTriLinSymm (P g) (P g) (P! f) = 0) : specialCase S := by
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accCubeTriLinSymm (P g) (P g) (P! f) = 0) : SpecialCase S := by
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intro g f hS
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obtain ⟨g', f', hS', hC'⟩ := hs
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rw [hS] at hS'
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@ -108,7 +108,7 @@ lemma specialCase_exists (S : (PureU1 (2 * n.succ + 1)).Sols)
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exact hC'
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lemma generic_or_special (S : (PureU1 (2 * n.succ + 1)).Sols) :
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genericCase S ∨ specialCase S := by
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GenericCase S ∨ SpecialCase S := by
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obtain ⟨g, f, h⟩ := span_basis S.1.1
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have h1 : accCubeTriLinSymm (P g) (P g) (P! f) ≠ 0 ∨
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accCubeTriLinSymm (P g) (P g) (P! f) = 0 := by
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@ -117,7 +117,7 @@ lemma generic_or_special (S : (PureU1 (2 * n.succ + 1)).Sols) :
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exact Or.inl (genericCase_exists S ⟨g, f, h, h1⟩)
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exact Or.inr (specialCase_exists S ⟨g, f, h, h1⟩)
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theorem generic_case {S : (PureU1 (2 * n.succ + 1)).Sols} (h : genericCase S) :
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theorem generic_case {S : (PureU1 (2 * n.succ + 1)).Sols} (h : GenericCase S) :
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∃ g f a, S = parameterization g f a := by
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obtain ⟨g, f, hS⟩ := span_basis S.1.1
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use g, f, (accCubeTriLinSymm (P! f) (P! f) (P g))⁻¹
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@ -135,8 +135,8 @@ theorem generic_case {S : (PureU1 (2 * n.succ + 1)).Sols} (h : genericCase S) :
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lemma special_case_lineInCubic {S : (PureU1 (2 * n.succ + 1)).Sols}
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(h : specialCase S) :
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lineInCubic S.1.1 := by
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(h : SpecialCase S) :
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LineInCubic S.1.1 := by
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intro g f hS a b
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erw [TriLinearSymm.toCubic_add]
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rw [HomogeneousCubic.map_smul, HomogeneousCubic.map_smul]
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@ -155,15 +155,15 @@ lemma special_case_lineInCubic {S : (PureU1 (2 * n.succ + 1)).Sols}
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lemma special_case_lineInCubic_perm {S : (PureU1 (2 * n.succ + 1)).Sols}
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(h : ∀ (M : (FamilyPermutations (2 * n.succ + 1)).group),
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specialCase ((FamilyPermutations (2 * n.succ + 1)).solAction.toFun S M)) :
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lineInCubicPerm S.1.1 := by
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SpecialCase ((FamilyPermutations (2 * n.succ + 1)).solAction.toFun S M)) :
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LineInCubicPerm S.1.1 := by
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intro M
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have hM := special_case_lineInCubic (h M)
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exact hM
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theorem special_case {S : (PureU1 (2 * n.succ.succ + 1)).Sols}
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(h : ∀ (M : (FamilyPermutations (2 * n.succ.succ + 1)).group),
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specialCase ((FamilyPermutations (2 * n.succ.succ + 1)).solAction.toFun S M)) :
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SpecialCase ((FamilyPermutations (2 * n.succ.succ + 1)).solAction.toFun S M)) :
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S.1.1 = 0 := by
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have ht := special_case_lineInCubic_perm h
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exact lineInCubicPerm_zero ht
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