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