Definition monoidal_struct (C : category) : UU := ∑ M : tensor_unit_unitors_associator C, pentagontriangle M × unitorsassociator_inverses M.
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.