Definition slice_to_PreShv_ob_funct_data (Q : PreShv C / P) : functor_data ((∫P)^op) HSET := slice_to_PreShv_ob_ob Q ,, @slice_to_PreShv_ob_mor Q.
Require Import UniMath.Foundations.Sets. Require Import UniMath.MoreFoundations.Tactics. 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.FunctorCategory. Require Import