Definition symmetric_whiskers_swap_nat_trans {C : category} {M : monoidal C} (B : symmetric M) (x : C) : nat_trans (leftwhiskering_functor M x) (rightwhiskering_functor M x) := symmetric_whiskers_swap_nat_trans_data B x ,, symmetric_whiskers_swap_is_nat_trans 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.