Mathlib Map

Theorems · Inductive type · category theory

CategoryTheory.HomIsOver

{C : Type u} →
  [inst : CategoryTheory.Category.{v, u} C] →
    {X Y : C} → (X ⟶ Y) → (S : C) → [CategoryTheory.OverClass X S] → [CategoryTheory.OverClass Y S] → Prop

Given OverClass X S and OverClass Y S and f : X ⟶ Y, HomIsOver f S is the typeclass asserting f commutes with the structure morphisms.

Defined in
Mathlib.CategoryTheory.Comma.Over.OverClass
Cited by
11 results in Mathlib
Foundations
Depth 2 from the axioms · uses no axioms
Assumes
CategoryTheory.CategoryCategoryTheory.OverClassCategoryTheory.OverClass

Around this declaration

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

Cites3

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

Cited by17

Results whose statement or proof uses this declaration.