proposition: Lemma FFinv_over_id_transportf {x y : C} {f f' : x --> y} (e : f = f') {xx : D' x} {yy : D' y} (ff : FF _ xx -->[f] FF _ yy) : FFinv (transportf _ e ff) = transportf _ e (FFinv ff).
proof: Proof. destruct e. apply idpath. Qed.
imports: UniMath.Foundations.Sets UniMath.MoreFoundations.PartA UniMath.CategoryTheory.Core.Categories UniMath.CategoryTheory.Core.Isos UniMath.CategoryTheory.Core.Functors UniMath.CategoryTheory.Core.NaturalTransformations UniMath.CategoryTheory.Adjunctions.Core UniMath.CategoryTheory.Equivalences.Core UniMath.CategoryTheory.DisplayedCats.Core UniMath.CategoryTheory.DisplayedCats.Functors UniMath.CategoryTheory.DisplayedCats.NaturalTransformations UniMath.CategoryTheory.DisplayedCats.Isos UniMath.CategoryTheory.DisplayedCats.Fiber