Definition nattohzandgth ( n m : nat ) ( is : natgth n m ) : hzgth ( nattohz n ) ( nattohz m ) := iscomptoringdiff natcommrig isplushrelnatgth n m is .
Require Import UniMath.MoreFoundations.PartA. Require Import UniMath.Algebra.Monoids. Require Import UniMath.Algebra.Groups.