fact: Definition slice_to_PreShv_ob_ob (Q : PreShv C / P) : (∫P)^op → HSET := λ p, hfiber ((pr1 (pr2 Q)) (pr1 p)) (pr2 p) ,, isaset_hfiber ((pr1 (pr2 Q)) (pr1 p)) (pr2 p) (pr2 (((pr1 (pr1 Q)) (pr1 p)))) (pr2 ((pr1 P) (pr1 p))).
imports: UniMath.Foundations.Sets UniMath.MoreFoundations.Tactics UniMath.CategoryTheory.Core.Categories UniMath.CategoryTheory.Core.Isos UniMath.CategoryTheory.Core.Functors UniMath.CategoryTheory.Core.NaturalTransformations UniMath.CategoryTheory.FunctorCategory UniMath.CategoryTheory.Equivalences.Core UniMath.CategoryTheory.Categories.HSET.Core UniMath.CategoryTheory.Categories.HSET.MonoEpiIso UniMath.CategoryTheory.slicecat UniMath.CategoryTheory.opp_precat UniMath.CategoryTheory.Presheaf UniMath.CategoryTheory.ElementsOp