Theorems · Theorem · category theory
CategoryTheory.IsKernelPair.lift.congr_simp
∀ {C : Type u} [inst : CategoryTheory.Category.{v, u} C] {R X Y : C} {f f_1 : X ⟶ Y} (e_f : f = f_1) {a a_1 : R ⟶ X}
(e_a : a = a_1) {b b_1 : R ⟶ X} (e_b : b = b_1) {S : C} (k : CategoryTheory.IsKernelPair f a b) (p p_1 : S ⟶ X)
(e_p : p = p_1) (q q_1 : S ⟶ X) (e_q : q = q_1)
(w : CategoryTheory.CategoryStruct.comp p f = CategoryTheory.CategoryStruct.comp q f), k.lift p q w = ⋯.lift p_1 q_1 ⋯- Cited by
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- Foundations
- Depth 28 from the axioms · uses propext, Classical.choice, Quot.sound
- Assumes
- CategoryTheory.Category
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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 and proof · cited by 17,999
- CategoryTheory.IsKernelPairstatement and proof · cited by 24
- CategoryTheory.IsKernelPair.liftstatement and proof · cited by 7
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