Definition ringofendabgr (G : abgr) : ring := @make_ring (setwith2binopofendabgr G) (@isringops_setofendabgr_op G).
Require Import UniMath.MoreFoundations.Tactics. Require Import UniMath.Algebra.RigsAndRings. Require Import UniMath.Algebra.Groups. Require Import UniMath.Algebra.Monoids.