Definition folds_id_comp_from_folds_precat (C : folds_pre_3_cat) : folds_3_id_comp_eq := pr1 C.
Require Import UniMath.Folds.UnicodeNotations. Require Import UniMath.Foundations.PartD. Require Import UniMath.Foundations.Propositions. Require Import UniMath.Foundations.Sets.