Mathlib Map

Structures · Category theory

CategoryTheory.MorphismProperty.DescendsAlong

P descends along Q if whenever Q holds for X ⟶ Z, P holds for X ×[Z] Y ⟶ X implies P holds for Y ⟶ Z.

Defined in
Mathlib.CategoryTheory.MorphismProperty.Descent
Shape
2 explicit arguments · adds of_isPullback

Extends0

Extends nothing: this is a root of the hierarchy.

Extended by0

Nothing extends this class yet.

Concrete types that are instances1

  • AlgebraicGeometry.Scheme

How is a type an instance?

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Assumed by14

Ancestors0

No ancestors.