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Theorems · Theorem · algebraic geometry

AlgebraicGeometry.GeometricallyIntegral.isIntegral_of_subsingleton

∀ {X S : AlgebraicGeometry.Scheme} (f : X ⟶ S) [AlgebraicGeometry.GeometricallyIntegral f] [Subsingleton ↥S]
  [AlgebraicGeometry.IsIntegral S], AlgebraicGeometry.IsIntegral X

If X is geometrically integral over a field, then it is integral.

Defined in
Mathlib.AlgebraicGeometry.Geometrically.Integral
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Foundations
Depth 239 from the axioms · uses propext, Classical.choice, Quot.sound
Assumes
AlgebraicGeometry.GeometricallyIntegralSubsingletonAlgebraicGeometry.IsIntegral

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