Definition addabmonoideqrel {X : rig} (R : @rigeqrel X) : @binopeqrel (rigaddabmonoid X) := @make_binopeqrel (rigaddabmonoid X) (pr1 R) (pr1 (pr2 R)).
Require Import UniMath.Algebra.Groups. Require Import UniMath.MoreFoundations.Sets. Require Import UniMath.MoreFoundations.Orders.