Definition θ_map {B C:category} {F' F:[B, C]} {X : [B, [C^op, HSET]]} : F' --> F -> F ⟹ X -> F' ⟹ X := λ p xe, θ_map_1 p xe ,, θ_map_2 p xe.
Require Import UniMath.Foundations.Preamble. Require Import UniMath.CategoryTheory.Core.Categories. Require Import UniMath.CategoryTheory.Core.Isos. Require Import UniMath.CategoryTheory.Core.Functors. Require Import UniMath.CategoryTheory.RepresentableFunctors.Precategories. Require Import UniMath.MoreFoundations.Tactics.