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Theorems · Definition · category theory

CategoryTheory.MonoOver.map

{C : Type u₁} →
  [inst : CategoryTheory.Category.{v₁, u₁} C] →
    {X Y : C} →
      (f : X ⟶ Y) →
        [CategoryTheory.Mono f] → CategoryTheory.Functor (CategoryTheory.MonoOver X) (CategoryTheory.MonoOver Y)

We can map monomorphisms over X to monomorphisms over Y by post-composition with a monomorphism f : X ⟶ Y.

Defined in
Mathlib.CategoryTheory.Subobject.MonoOver
Cited by
12 results in Mathlib
Foundations
Depth 32 from the axioms · uses propext, Classical.choice, Quot.sound
Assumes
CategoryTheory.CategoryCategoryTheory.Mono

Around this declaration

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

CategoryTheory.Subobject.map · cited by 19Subobject.mapCategoryTheory.MonoOver.mapIso · cited by 7MonoOver.mapIsoCategoryTheory.MonoOver.mapComp · cited by 3MonoOver.mapCompCategoryTheory.MonoOver.mapId · cited by 3MonoOver.mapIdCategoryTheory.MonoOver.inf · cited by 2MonoOver.infCategoryTheory.MonoOver.mapBot · cited by 1MonoOver.mapBotCategoryTheory.MonoOver.existsIsoMap · cited by 1MonoOver.existsIsoMapCategoryTheory.MonoOver.mapTop · cited by 1MonoOver.mapTopCategoryTheory.Subobject.map_pullback · cited by 1Subobject.map_pullbackCategoryTheory.MonoOver.pullbackMapSelf · cited by 1MonoOver.pullbackMapSelfCategoryTheory.MonoOver.map.congr_simp · cited by 0map.congr_simpCategoryTheory.MonoOver.mapIso_counitIso · cited by 0MonoOver.mapIso_counitIsoCategoryTheory.MonoOver.mapIso_functor · cited by 0MonoOver.mapIso_functorCategoryTheory.MonoOver.mapIso_inverse · cited by 0MonoOver.mapIso_inverseCategoryTheory.MonoOver.mapIso_unitIso · cited by 0MonoOver.mapIso_unitIsoCategoryTheory.Category · cited by 32673CategoryTheory.CategoryQuiver.Hom · cited by 32603Quiver.HomCategoryTheory.Functor · cited by 16252CategoryTheory.FunctorCategoryTheory.Over · cited by 935CategoryTheory.OverCategoryTheory.Mono · cited by 893CategoryTheory.MonoCategoryTheory.MonoOver · cited by 115CategoryTheory.MonoOverCategoryTheory.Over.isMono · cited by 111Over.isMonoCategoryTheory.Over.map · cited by 97Over.mapCategoryTheory.MonoOver.lift · cited by 8MonoOver.liftMonoOver.mapCITED BYCITES

Cites9

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Cited by22

Results whose statement or proof uses this declaration.