X-Git-Url: http://git.megacz.com/?p=coq-categories.git;a=blobdiff_plain;f=src%2FEquivalentCategories_ch7_8.v;h=6ed769f52b185f67d2b1219d2ef9b816ff9c642a;hp=e5bcfb29a4fe47594b5a0c1a51e84f48f5de21f0;hb=27ffdd2265eb1c15acc62970f49d25a07bcadb05;hpb=b0262af94b62376527556d79b10c4f1de29a9565

diff --git a/src/EquivalentCategories_ch7_8.v b/src/EquivalentCategories_ch7_8.v
index e5bcfb2..6ed769f 100644
--- a/src/EquivalentCategories_ch7_8.v
+++ b/src/EquivalentCategories_ch7_8.v
@@ -8,6 +8,7 @@ Require Import General.
 Require Import Categories_ch1_3.
 Require Import Functors_ch1_4.
 Require Import Isomorphisms_ch1_5.
+Require Import NaturalIsomorphisms_ch7_5.
 
 (* Definition 7.24 *)
 Class EquivalentCategories `(C:Category)`(D:Category){Fobj}{Gobj}(F:Functor C D Fobj)(G:Functor D C Gobj) :=