Mathlib Map

Theorems · Definition · category theory

CategoryTheory.Adjunction.toComonad

{C : Type u₁} →
  [inst : CategoryTheory.Category.{v₁, u₁} C] →
    {D : Type u₂} →
      [inst_1 : CategoryTheory.Category.{v₂, u₂} D] →
        {L : CategoryTheory.Functor C D} → {R : CategoryTheory.Functor D C} → (L ⊣ R) → CategoryTheory.Comonad D

For a pair of functors L : C ⥤ D, R : D ⥤ C, an adjunction h : L ⊣ R induces a comonad on the category D.

Defined in
Mathlib.CategoryTheory.Monad.Adjunction
Cited by
34 results in Mathlib
Foundations
Depth 23 from the axioms · uses propext, Classical.choice, Quot.sound
Assumes
CategoryTheory.CategoryCategoryTheory.Category

Around this declaration

Dashed lines are statement dependencies; solid lines are citations in proofs.

CategoryTheory.Comonad.comparison · cited by 17Comonad.comparisonCategoryTheory.Pseudofunctor.DescentDataAsCoalgebra.coalgebraEquivalence · cited by 13DescentDataAsCoalgebra.co…CategoryTheory.Comonad.ComonadicityInternal.comparisonAdjunction · cited by 4ComonadicityInternal.comp…CategoryTheory.Comonad.ComonadicityInternal.comparisonRightAdjointHomEquiv · cited by 4ComonadicityInternal.comp…CategoryTheory.Comonad.ComonadicityInternal.comparisonRightAdjointObj · cited by 4ComonadicityInternal.comp…CategoryTheory.Comonad.ComonadicityInternal.rightAdjointComparison · cited by 4ComonadicityInternal.righ…CategoryTheory.Comonad.ComonadicityInternal.counitFork · cited by 3ComonadicityInternal.coun…CategoryTheory.Pseudofunctor.toDescentDataAsCoalgebraCompCoalgebraEquivalenceFunctorIso · cited by 3Pseudofunctor.toDescentDa…CategoryTheory.Comonad.comparisonForget · cited by 2Comonad.comparisonForgetCategoryTheory.Adjunction.adjToComonadIso · cited by 2Adjunction.adjToComonadIsoCategoryTheory.isLeftAdjoint_triangle_lift_comonadic · cited by 1CategoryTheory.isLeftAdjo…CategoryTheory.Comonad.ComonadicityInternal.comparisonAdjunction_counit · cited by 1ComonadicityInternal.comp…CategoryTheory.Comonad.ComonadicityInternal.comparisonRightAdjointHomEquiv_symm_apply_f · cited by 1ComonadicityInternal.comp…CategoryTheory.Comonad.comparison_map_f · cited by 1Comonad.comparison_map_fCategoryTheory.Adjunction.toComonad_ε · cited by 1Adjunction.toComonad_εCategoryTheory.Category · cited by 32673CategoryTheory.CategoryCategoryTheory.Functor · cited by 16252CategoryTheory.FunctorCategoryTheory.Functor.comp · cited by 6529Functor.compCategoryTheory.Adjunction · cited by 524CategoryTheory.AdjunctionCategoryTheory.Functor.whiskerLeft · cited by 496Functor.whiskerLeftCategoryTheory.Functor.whiskerRight · cited by 467Functor.whiskerRightCategoryTheory.Adjunction.unit · cited by 387Adjunction.unitCategoryTheory.Adjunction.counit · cited by 376Adjunction.counitCategoryTheory.Comonad · cited by 125CategoryTheory.ComonadAdjunction.toComonadCITED BYCITES

Cites9

Mathlib declarations this one mentions in its statement or cites explicitly in its proof. Plumbing is filtered out.

Cited by50

Results whose statement or proof uses this declaration.