fact: Definition mon_structure_triangle_pentagon {C : category} (lm : mon_structure C) : triangle_pentagon lm × unitors_associator_are_z_isos lm := pr2 lm.
imports: UniMath.Foundations.All UniMath.MoreFoundations.All UniMath.CategoryTheory.Core.Categories UniMath.CategoryTheory.Core.Functors UniMath.CategoryTheory.Core.NaturalTransformations UniMath.CategoryTheory.Core.Isos