Definition ShortShortExactData_opp {C : category} {Z : Zero C} (SSED : ShortShortExactData C Z) : ShortShortExactData (op_category C) (Zero_opp C Z). Proof. use make_ShortShortExactData. - exact (MorphismPair_opp SSED). - exact (ShortShortExactData_opp_Eq SSED). Defined.
Require Import UniMath.Foundations.PartD. Require Import UniMath.Foundations.Propositions. Require Import UniMath.Foundations.Sets. Require Import UniMath.MoreFoundations.Notations. Require Import UniMath.CategoryTheory.Core.Functors. Require Import UniMath.CategoryTheory.Core.Categories. Require Import UniMath.CategoryTheory.Core.Isos. Require Import UniMath.CategoryTheory.opp_precat. Require Import UniMath.CategoryTheory.Limits.Zero. Require Import UniMath.CategoryTheory.Limits.Opp.