Mathlib Map

Theorems · Inductive type · category theory

CategoryTheory.CommSq.LiftStruct

{C : Type u_1} →
  [inst : CategoryTheory.Category.{v_1, u_1} C] →
    {A B X Y : C} → {f : A ⟶ X} → {i : A ⟶ B} → {p : X ⟶ Y} → {g : B ⟶ Y} → CategoryTheory.CommSq f i p g → Type v_1

Now we consider a square: `` A f > X | | i p | | v v B g > Y `` The datum of a lift in a commutative square, i.e. an up-right-diagonal morphism which makes both triangles commute.

Defined in
Mathlib.CategoryTheory.CommSq
Cited by
33 results in Mathlib
Foundations
Depth 3 from the axioms · uses no axioms
Assumes
CategoryTheory.Category

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 by56

Results whose statement or proof uses this declaration.