X-Git-Url: http://matita.cs.unibo.it/gitweb/?p=helm.git;a=blobdiff_plain;f=matita%2Fmatita%2Flib%2Fbasics%2Ftypes.ma;h=efc213f95da759cb305ef3d1522ee13691de78e0;hp=a5e35c9d218a5d756319dd429dd7e1b6d4e8363e;hb=dbc57c92512c04b3fd88f8289bb8dbe99b2f90e0;hpb=baa54e5db0fb93c4242dd1b67a5018ca63206cf6

diff --git a/matita/matita/lib/basics/types.ma b/matita/matita/lib/basics/types.ma
index a5e35c9d2..efc213f95 100644
--- a/matita/matita/lib/basics/types.ma
+++ b/matita/matita/lib/basics/types.ma
@@ -9,6 +9,7 @@
      \ /   GNU General Public License Version 2   
       V_______________________________________________________________ *)
 
+include "basics/core_notation/pair_2.ma".
 include "basics/logic.ma".
 
 (* void *)