Theorems · Theorem · category theory
CategoryTheory.IsPullback.isoIsPullback_inv_fst
∀ {C : Type u₁} [inst : CategoryTheory.Category.{v₁, u₁} C] {P : C} (X Y : C) {Z : C} {fst : P ⟶ X} {snd : P ⟶ Y}
{f : X ⟶ Z} {g : Y ⟶ Z} {P' : C} {fst' : P' ⟶ X} {snd' : P' ⟶ Y} (h : CategoryTheory.IsPullback fst snd f g)
(h' : CategoryTheory.IsPullback fst' snd' f g),
CategoryTheory.CategoryStruct.comp (CategoryTheory.IsPullback.isoIsPullback X Y h h').inv fst = fst'- Cited by
- 1 results in Mathlib
- Foundations
- Depth 34 from the axioms · uses propext, Classical.choice, Quot.sound
- Assumes
- CategoryTheory.Category
Around this declaration
Dashed lines are statement dependencies; solid lines are citations in proofs.
Cites7
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
- Quiver.Homstatement and proof · cited by 32,603
- CategoryTheory.CategoryStruct.compstatement · cited by 17,999
- CategoryTheory.Iso.invstatement · cited by 6,514
- CategoryTheory.IsPullbackstatement and proof · cited by 320
- CategoryTheory.IsPullback.isoIsPullbackstatement and proof · cited by 11
- CategoryTheory.IsPullback.isoIsPullback_hom_fstproof · cited by 3
Cited by1
Results whose statement or proof uses this declaration.
- CategoryTheory.IsPullback.isoIsPullback_inv_fst_assocproof · cited by 0