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[Merged by Bors] - chore: fix implicit-reducible diamonds in elliptic curves #38306

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[Merged by Bors] - chore: fix implicit-reducible diamonds in elliptic curves #38306

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9 changes: 3 additions & 6 deletions Mathlib/AlgebraicGeometry/EllipticCurve/Affine/Point.lean
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Expand Up @@ -101,14 +101,11 @@ abbrev FunctionField : Type r :=

namespace CoordinateRing

noncomputable instance : Algebra R W'.CoordinateRing :=
Quotient.algebra R
noncomputable instance : Algebra R W'.CoordinateRing := inferInstance

noncomputable instance : Algebra R[X] W'.CoordinateRing :=
Quotient.algebra R[X]
noncomputable instance : Algebra R[X] W'.CoordinateRing := inferInstance

instance : IsScalarTower R R[X] W'.CoordinateRing :=
Quotient.isScalarTower R R[X] _
instance : IsScalarTower R R[X] W'.CoordinateRing := inferInstance

instance [Subsingleton R] : Subsingleton W'.CoordinateRing :=
Module.subsingleton R[X] _
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