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Theorems · Theorem · category theory

CategoryTheory.comp_over

∀ {C : Type u} [inst : CategoryTheory.Category.{v, u} C] {X Y : C} (f : X ⟶ Y) (S : C)
  [inst_1 : CategoryTheory.OverClass X S] [inst_2 : CategoryTheory.OverClass Y S] [CategoryTheory.HomIsOver f S],
  CategoryTheory.CategoryStruct.comp f (Y ↘ S) = X ↘ S
Defined in
Mathlib.CategoryTheory.Comma.Over.OverClass
Cited by
14 results in Mathlib
Foundations
Depth 11 from the axioms · uses no axioms
Assumes
CategoryTheory.CategoryCategoryTheory.OverClassCategoryTheory.OverClassCategoryTheory.HomIsOver

Around this declaration

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

CategoryTheory.OverClass.asOverHom · cited by 8OverClass.asOverHomCategoryTheory.comp_over_assoc · cited by 2CategoryTheory.comp_over_…AlgebraicGeometry.Scheme.smallGrothendieckTopology_eq_toGrothendieck_smallPretopology · cited by 2Scheme.smallGrothendieckT…AlgebraicGeometry.Scheme.PartialMap.isOver_iff · cited by 1PartialMap.isOver_iffAlgebraicGeometry.Scheme.PartialMap.isOver_iff_eq_restrict · cited by 1PartialMap.isOver_iff_eq_…AlgebraicGeometry.ext_of_isDominant_of_isSeparated' · cited by 1AlgebraicGeometry.ext_of_…AlgebraicGeometry.AffineSpace.reindex_comp · cited by 1AffineSpace.reindex_compAlgebraicGeometry.Scheme.Cover.overEquiv_generate_toPresieveOver_eq_ofArrows · cited by 1Cover.overEquiv_generate_…AlgebraicGeometry.Scheme.locallyCoverDense_of_le · cited by 1Scheme.locallyCoverDense_…AlgebraicGeometry.AffineSpace.map_reindex · cited by 1AffineSpace.map_reindexAlgebraicGeometry.Scheme.PartialMap.isOver_toRationalMap_iff_of_isSeparated · cited by 0PartialMap.isOver_toRatio…AlgebraicGeometry.Scheme.RationalMap.isOver_iff · cited by 0RationalMap.isOver_iffAlgebraicGeometry.AffineSpace.reindex_id · cited by 0AffineSpace.reindex_idCategoryTheory.homIsOver_of_isOverTower · cited by 0CategoryTheory.homIsOver_…AlgebraicGeometry.AffineSpace.map_id · cited by 0AffineSpace.map_idCategoryTheory.Category · cited by 32673CategoryTheory.CategoryQuiver.Hom · cited by 32603Quiver.HomCategoryTheory.CategoryStruct.comp · cited by 17999CategoryStruct.compCategoryTheory.over · cited by 76CategoryTheory.overCategoryTheory.OverClass · cited by 68CategoryTheory.OverClassCategoryTheory.HomIsOver · cited by 11CategoryTheory.HomIsOverCategoryTheory.HomIsOver.comp_over · cited by 3HomIsOver.comp_overCategoryTheory.comp_overCITED BYCITES

Cites7

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Cited by15

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