fact: Definition presented_gr_universal_property {X : hSet} (R : hrel (free_gr X)) (Y : gr) : monoidfun (presented_gr X R) Y ≃ ∑(f : X → Y), iscomprelfun R (free_gr_extend f).
imports: UniMath.MoreFoundations.Subtypes UniMath.MoreFoundations.Sets UniMath.Algebra.Monoids UniMath.Algebra.Groups UniMath.Algebra.IteratedBinaryOperations UniMath.Combinatorics.Lists