fact: Definition presented_grfun {X Y : hSet} {R : hrel (free_gr X)} {S : hrel (free_gr Y)} (f : X → Y) (H : iscomprelrelfun R S (free_grfun f)) : monoidfun (presented_gr X R) (presented_gr Y S).
imports: UniMath.MoreFoundations.Subtypes UniMath.MoreFoundations.Sets UniMath.Algebra.Monoids UniMath.Algebra.Groups UniMath.Algebra.IteratedBinaryOperations UniMath.Combinatorics.Lists