fact: Definition presented_abgr (X : hSet) (R : hrel (free_abgr X)) : abgr := abgrquot (generated_binopeqrel R).
imports: UniMath.MoreFoundations.Subtypes UniMath.MoreFoundations.Sets UniMath.Algebra.Monoids UniMath.Algebra.Groups UniMath.Algebra.IteratedBinaryOperations UniMath.Combinatorics.Lists