Definition lax_monoidal_associator_inverse_to_inverse_data {C : category} {M : tensor_unit_unitors_associator C} (lui : lax_monoidal_associator_inverse M) : associatorinv_data M := pr1 lui.
Require Import UniMath.Foundations.All. Require Import UniMath.MoreFoundations.All. Require Import UniMath.CategoryTheory.Core.Categories. Require Import UniMath.CategoryTheory.Monoidal.WhiskeredBifunctors. Require Import UniMath.CategoryTheory.Monoidal.Categories.