X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;ds=sidebyside;f=helm%2Fsoftware%2Fmatita%2Fcontribs%2Fprocedural%2FCoq%2FWellfounded%2FInverse_Image.mma;h=b3a602009384eeec75b27e69e533141a5646f1d3;hb=d00e19c7000a00659ffd609ef79675eb0f010659;hp=401884cc1b9efbc386b792ab89f78163be7fc118;hpb=f620bf94af6c347926ed1c2328462efab7018b21;p=helm.git

diff --git a/helm/software/matita/contribs/procedural/Coq/Wellfounded/Inverse_Image.mma b/helm/software/matita/contribs/procedural/Coq/Wellfounded/Inverse_Image.mma
index 401884cc1..b3a602009 100644
--- a/helm/software/matita/contribs/procedural/Coq/Wellfounded/Inverse_Image.mma
+++ b/helm/software/matita/contribs/procedural/Coq/Wellfounded/Inverse_Image.mma
@@ -16,6 +16,8 @@
 
 include "Coq.ma".
 
+include "Init/Prelude.ma".
+
 (*#***********************************************************************)
 
 (*  v      *   The Coq Proof Assistant  /  The Coq Development Team     *)