Definition commrig_univalence (X Y : commrig) : (X = Y) ≃ (rigiso X Y) := make_weq (commrig_univalence_map X Y) (commrig_univalence_isweq X Y).
Require Import UniMath.Algebra.Groups. Require Import UniMath.MoreFoundations.Sets. Require Import UniMath.MoreFoundations.Orders.