Theorems · Definition · category theory
CategoryTheory.NatTrans.Equifibered
{J : Type u_1} →
{C : Type u_3} →
[inst : CategoryTheory.Category.{v_1, u_1} J] →
[inst_1 : CategoryTheory.Category.{v_2, u_3} C] → CategoryTheory.MorphismProperty (CategoryTheory.Functor J C)A natural transformation is equifibered if every commutative square of the following form is
a pullback.
``
F(X) → F(Y)
↓ ↓
G(X) → G(Y)
``
- Cited by
- 41 results in Mathlib
- Foundations
- Depth 20 from the axioms · uses propext, Classical.choice, Quot.sound
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.Homproof · cited by 32,603
- CategoryTheory.Functorstatement and proof · cited by 16,252
- CategoryTheory.Functor.mapproof · cited by 8,698
- CategoryTheory.NatTrans.appproof · cited by 7,406
- CategoryTheory.MorphismPropertystatement · cited by 2,179
- CategoryTheory.IsPullbackproof · cited by 320
Cited by48
Results whose statement or proof uses this declaration.
- CategoryTheory.IsVanKampenColimitproof · cited by 26
- CategoryTheory.IsUniversalColimitproof · cited by 23
- CategoryTheory.NatTrans.Equifibered.of_discretestatement · cited by 11
- CategoryTheory.IsVanKampenColimit.of_isoproof · cited by 9
- CategoryTheory.NatTrans.Equifibered.of_isIsostatement · cited by 7
- CategoryTheory.NatTrans.Equifibered.compstatement and proof · cited by 6
- CategoryTheory.NatTrans.Equifibered.whiskerRightstatement and proof · cited by 5
- CategoryTheory.IsVanKampenColimit.isUniversalproof · cited by 4
- CategoryTheory.IsVanKampenColimit.precompose_isIsoproof · cited by 4
- CategoryTheory.IsVanKampenColimit.of_mapCoconeproof · cited by 3
- CategoryTheory.BinaryCofan.isVanKampen_iffproof · cited by 2
- CategoryTheory.isUniversalColimit_extendCofanproof · cited by 2