Definition nattohzandneq ( n m : nat ) ( is : natnegpaths n m ) : hzneq ( nattohz n ) ( nattohz m ) := negf ( invmaponpathsincl _ isinclnattohz n m ) is .
Require Import UniMath.MoreFoundations.PartA. Require Import UniMath.Algebra.Monoids. Require Import UniMath.Algebra.Groups.