fact: Definition rmap {C D : category} (F : C ↛ D) {a a' : ob C} {b : ob D} (f : a --> a') : HSET ⟦ F b a , F b a' ⟧ := λ h, F #[ identity _ , f ] h.
imports: UniMath.Foundations.Preamble UniMath.Foundations.Propositions UniMath.Foundations.Sets UniMath.CategoryTheory.Core.Categories UniMath.CategoryTheory.Core.Univalence UniMath.CategoryTheory.Core.Functors UniMath.CategoryTheory.Core.NaturalTransformations UniMath.CategoryTheory.PrecategoryBinProduct UniMath.CategoryTheory.opp_precat UniMath.CategoryTheory.Categories.HSET.All