Definition symmetric_whiskers_swap_nat_z_iso {C : category} {M : monoidal C} (B : symmetric M) (x : C) : nat_z_iso _ _ := symmetric_whiskers_swap_nat_trans B x,, symmetric_whiskers_swap_is_nat_iso B x.
Require Import UniMath.Foundations.All. Require Import UniMath.MoreFoundations.All. Require Import UniMath.CategoryTheory.Core.Categories. Require Import UniMath.CategoryTheory.Core.Isos. Require Import UniMath.CategoryTheory.Core.Functors. Require Import UniMath.CategoryTheory.Core.NaturalTransformations. Require Import UniMath.CategoryTheory.Monoidal.WhiskeredBifunctors. Require Import UniMath.CategoryTheory.Monoidal.Categories. Import BifunctorNotations. Import MonoidalNotations.