fact: Definition skewmonoidal_unitr_nt (V : skewmonoidal_data) : functor_identity V ⟹ φ₂ tensor I := pr1 (pr2 (pr2 nts)).
imports: UniMath.Foundations.PartD UniMath.CategoryTheory.Core.Categories UniMath.CategoryTheory.Core.Isos UniMath.CategoryTheory.Core.NaturalTransformations UniMath.CategoryTheory.Core.Functors UniMath.CategoryTheory.ProductCategory UniMath.CategoryTheory.PrecategoryBinProduct UniMath.CategoryTheory.whiskering