fact: Definition grquot_by_normal_subgr (X : gr) (N : normalsubgr X) : gr := grquot (in_same_coset_binopeqrel N).
imports: UniMath.MoreFoundations.Orders UniMath.MoreFoundations.Tactics UniMath.MoreFoundations.Subtypes UniMath.Algebra.BinaryOperations UniMath.Algebra.Monoids