X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=helm%2Fsoftware%2Fmatita%2Fcontribs%2Fprocedural%2FCoq%2FSets%2FRelations_1.mma;h=f831a54ed04504c935f8c7ee735e95d4fa864a10;hb=964844c87f7c3d7061dfeb7f2d84b6b8bbcdaf13;hp=d0e8b6186949f8c7a9f89ceb3575c4a7dbc84884;hpb=f620bf94af6c347926ed1c2328462efab7018b21;p=helm.git

diff --git a/helm/software/matita/contribs/procedural/Coq/Sets/Relations_1.mma b/helm/software/matita/contribs/procedural/Coq/Sets/Relations_1.mma
index d0e8b6186..f831a54ed 100644
--- a/helm/software/matita/contribs/procedural/Coq/Sets/Relations_1.mma
+++ b/helm/software/matita/contribs/procedural/Coq/Sets/Relations_1.mma
@@ -16,6 +16,8 @@
 
 include "Coq.ma".
 
+include "Init/Prelude.ma".
+
 (*#***********************************************************************)
 
 (*  v      *   The Coq Proof Assistant  /  The Coq Development Team     *)