Definition get_special_iso_squares {C: predoublecategory_sq_hor_data} {a b : C} (g: a -v-> b) (h: a -v-> b) : UU := ∑ (α : get_predoublecat_sq_special g h), (is_iso_square α).
Require Import UniMath.Foundations.Propositions. Require Import UniMath.Foundations.Sets. Require Import UniMath.MoreFoundations.PartA. Require Import UniMath.MoreFoundations.Notations. Require Import UniMath.CategoryTheory.Core.Prelude. Require Import UniMath.CategoryTheory.TwoSidedDisplayedCats.TwoSidedDispCat. Require Import UniMath.CategoryTheory.TwoSidedDisplayedCats.Univalence.