fact: Definition first_hexagon_eq : UU := ∏ (a b c : MonM) , (α₁ ((a , b) , c)) · (γ (a , (b ⊗ c))) · (α₁ ((b , c) , a)) = (γ (a , b) #⊗ (id c)) · (α₁ ((b , a) , c)) · ((id b) #⊗ γ (a , c)).
imports: UniMath.Foundations.PartD UniMath.CategoryTheory.Core.Categories UniMath.CategoryTheory.Core.NaturalTransformations UniMath.CategoryTheory.Core.Functors UniMath.CategoryTheory.PrecategoryBinProduct UniMath.CategoryTheory.Monoidal.AlternativeDefinitions.MonoidalCategoriesTensored