Theorems · Definition · category theory
CategoryTheory.Subobject.lowerAdjunction
{C : Type u₁} →
[inst : CategoryTheory.Category.{v₁, u₁} C] →
{D : Type u₂} →
[inst_1 : CategoryTheory.Category.{v₂, u₂} D] →
{A : C} →
{B : D} →
{L : CategoryTheory.Functor (CategoryTheory.MonoOver A) (CategoryTheory.MonoOver B)} →
{R : CategoryTheory.Functor (CategoryTheory.MonoOver B) (CategoryTheory.MonoOver A)} →
(L ⊣ R) → (CategoryTheory.Subobject.lower L ⊣ CategoryTheory.Subobject.lower R)An adjunction between MonoOver A and MonoOver B gives an adjunction
between Subobject A and Subobject B.
- Defined in
- Mathlib.CategoryTheory.Subobject.Basic
- Cited by
- 0 results in Mathlib
- Foundations
- Depth 35 from the axioms · uses propext, Classical.choice, Quot.sound
Around this declaration
Dashed lines are statement dependencies; solid lines are citations in proofs.
Cites9
Mathlib declarations this one mentions in its statement or cites explicitly in its proof. Plumbing is filtered out.
- CategoryTheory.Categorystatement and proof · cited by 32,673
- CategoryTheory.Functorstatement and proof · cited by 16,252
- CategoryTheory.Overstatement · cited by 935
- CategoryTheory.Adjunctionstatement and proof · cited by 524
- CategoryTheory.Subobjectstatement · cited by 385
- CategoryTheory.MonoOverstatement and proof · cited by 115
- CategoryTheory.Over.isMonostatement · cited by 111
- CategoryTheory.Subobject.lowerstatement · cited by 6
- CategoryTheory.ThinSkeleton.lowerAdjunctionproof · cited by 0
Cited by2
Results whose statement or proof uses this declaration.
- CategoryTheory.Subobject.existsPullbackAdjproof · cited by 0
- CategoryTheory.Subobject.mapPullbackAdjproof · cited by 0