Definition opp_ShortShortExactData {C : category} {Z : Zero C} (SSED : ShortShortExactData (op_category C) (Zero_opp C Z)) : ShortShortExactData C Z. Proof. use make_ShortShortExactData. - exact (opp_MorphismPair SSED). - exact (opp_ShortShortExactData_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.