fact: Definition is_strict (eq_λ : I_pretensor = functor_identity C) (λ' : left_unitor) (eq_ρ : I_posttensor = functor_identity C) (ρ' : right_unitor) (eq_α : assoc_left = assoc_right) (α' : associator) : UU := (is_nat_z_iso_id eq_λ λ') × (is_nat_z_iso_id eq_ρ ρ') × (is_nat_z_iso_id eq_α α').
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