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CategoryTheory.Functor.IsLeftDerivedFunctor

A functor LF : D ⥤ H is a left derived functor of F : C ⥤ H if it is equipped with a natural transformation α : L ⋙ LF ⟶ F which makes it a right Kan extension of F along L, where L : C ⥤ D is a localization functor for W : MorphismProperty C.

Defined in
Mathlib.CategoryTheory.Functor.Derived.LeftDerived
Shape
3 explicit arguments · adds isRightKanExtension

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