fact: Definition isgrquot {X : gr} (R : binopeqrel X) : isgrop (@op (setwithbinopquot R)) := tpair _ (ismonoidquot R) (tpair _ (invongrquot R) (isinvongrquot R)).
imports: UniMath.MoreFoundations.Orders UniMath.MoreFoundations.Tactics UniMath.MoreFoundations.Subtypes UniMath.Algebra.BinaryOperations UniMath.Algebra.Monoids