Definition bool_signature := make_signature_simple_single_sorted [0; 0; 1; 2; 2; 2].
Require Import UniMath.MoreFoundations.Notations. Require Import UniMath.MoreFoundations.Bool. Require Import UniMath.Combinatorics.StandardFiniteSets. Require Import UniMath.Combinatorics.MoreLists. Require Import UniMath.Algebra.Universal.Algebras. Require Import UniMath.Algebra.Universal.VTerms.