fact: Definition monoidal_struct_to_tensor_unit_unitors_associator {C : category} (M : monoidal_struct C) : tensor_unit_unitors_associator C := pr1 M.
imports: UniMath.Foundations.All UniMath.MoreFoundations.All UniMath.CategoryTheory.Core.Categories UniMath.CategoryTheory.Monoidal.WhiskeredBifunctors UniMath.CategoryTheory.Monoidal.Categories