proposition: Lemma iscommrigquot {X : commrig} (R : @rigeqrel X) : iscommrigops (@op1 (setwith2binopquot R)) (@op2 (setwith2binopquot R)).
proof: Proof. intros. split with (isrigquot R). apply (pr2 (@isabmonoidquot (commrigmultabmonoid X) (multmonoideqrel R))). Defined.
imports: UniMath.Algebra.Groups UniMath.MoreFoundations.Sets UniMath.MoreFoundations.Orders UniMath.Algebra.Monoids