Definition CohomologyComplexIso_Mor3 (C : Complex (AbelianToAdditive A)) (i : hz) : let CK1 := CokernelOut (to_Zero A) (Cokernel (transportf (precategory_morphisms (C (i - 1))) (maponpaths C (hzrminusplus i 1)) (Diff C (i - 1)))) _ _ (CohomologyComplexIso_eq2 C i) in A⟦Kernel (CokernelOut (to_Zero A) (Cokernel (transportf (precategory_morphisms (C (i - 1))) (maponpaths C (hzrminusplus i 1)) (Diff C (i - 1)))) (C (i + 1)) (Diff C i) (CohomologyComplex_KernelIn_eq A C i)), Kernel (CK1 · factorization2_monic A (Diff C i))⟧ := @KernelInPaths_is_iso_mor A (to_Zero A) _ _ _ _ (CohomologyComplexIso_mor_eq2 C i) (Kernel _) (Kernel _).
Require Import UniMath.Foundations.UnivalenceAxiom. Require Import UniMath.Foundations.PartD. Require Import UniMath.Foundations.Propositions. Require Import UniMath.Foundations.Sets. Require Import UniMath.Foundations.NaturalNumbers. Require Import UniMath.Algebra.BinaryOperations. Require Import UniMath.Algebra.Monoids. Require Import UniMath.Algebra.Groups. Require Import UniMath.NumberSystems.Integers. Require Import UniMath.CategoryTheory.Core.Categories. Require Import UniMath.CategoryTheory.Core.Isos. Require Import UniMath.CategoryTheory.Core.TransportMorphisms. Require Import UniMath.CategoryTheory.Limits.Zero. Require Import UniMath.CategoryTheory.Limits.BinProducts. Require Import UniMath.CategoryTheory.Limits.BinCoproducts. Require Import UniMath.CategoryTheory.Limits.Equalizers. Require Import UniMath.CategoryTheory.Limits.Coequalizers. Require Import UniMath.CategoryTheory.Limits.Kernels. Require Import UniMath.CategoryTheory.Limits.Cokernels. Require Import UniMath.CategoryTheory.Limits.Pushouts. Require Import UniMath.CategoryTheory.Limits.Pullbacks. Require Import UniMath.CategoryTheory.Limits.BinDirectSums. Require Import UniMath.CategoryTheory.Monics. Require Import UniMath.CategoryTheory.Epis. Require Import UniMath.CategoryTheory.Core.Functors. Require Import UniMath.CategoryTheory.CategoriesWithBinOps. Require Import UniMath.CategoryTheory.PrecategoriesWithAbgrops. Require Import UniMath.CategoryTheory.PreAdditive. Require Import UniMath.CategoryTheory.Additive. Require Import UniMath.CategoryTheory.Abelian. Require Import UniMath.CategoryTheory.AbelianToAdditive. Require Import UniMath.CategoryTheory.AdditiveFunctors. Require Import UniMath.HomologicalAlgebra.Complexes. Require Import UniMath.HomologicalAlgebra.KA.