Lemma isabsorb_abmonoidfrac_max_min : isabsorb abmonoidfrac_max abmonoidfrac_min. Proof. apply isabsorb_abmonoidfrac_def. apply Hmax_min. Qed.
Require Import UniMath.MoreFoundations.All. Require Import UniMath.Algebra.Monoids. Require Import UniMath.Algebra.Groups.