Definition E {C : folds_3_id_comp_eq} : ∏ {a b : C}, a ⇒ b → a ⇒ b → UU := pr2 (pr2 C).
Require Import UniMath.Folds.UnicodeNotations. Require Import UniMath.Foundations.PartD. Require Import UniMath.Foundations.Propositions. Require Import UniMath.Foundations.Sets.