Definition group_signature := make_signature_simple_single_sorted [2; 0; 1].
Require Import UniMath.MoreFoundations.Notations. Require Import UniMath.Combinatorics.StandardFiniteSets. Require Import UniMath.Combinatorics.MoreLists. Require Import UniMath.Algebra.Groups. Require Import UniMath.Algebra.Universal.EqAlgebras.