Definition chaotic_prebicat_data : prebicat_data. Proof. use tpair. - use tpair. + exact C. + cbn. intros a b f g. exact unit. - cbn; repeat (use tpair); cbn; intros; exact tt. Defined.
Require Import UniMath.Foundations.All. Require Import UniMath.MoreFoundations.All. Require Import UniMath.CategoryTheory.Core.Categories. Require Import UniMath.CategoryTheory.Core.Isos. Require Import UniMath.CategoryTheory.Core.Functors. Require Import UniMath.CategoryTheory.Core.NaturalTransformations. Require Import UniMath.CategoryTheory.PrecategoryBinProduct.