X-Git-Url: http://matita.cs.unibo.it/gitweb/?p=helm.git;a=blobdiff_plain;f=matita%2Fmatita%2Flib%2Fbasics%2Frelations.ma;h=3133682dbc372fc1e2bdb4b9fe1c76393f070b89;hp=24b2c9a9e32b688c05c712cd824a390ba2f65a76;hb=bf816f05ddbe0ded4948dd33490619724dc4f7cf;hpb=f4e15b10a8f778c77953ed4c1ebdc7107ffd4d55

diff --git a/matita/matita/lib/basics/relations.ma b/matita/matita/lib/basics/relations.ma
index 24b2c9a9e..3133682db 100644
--- a/matita/matita/lib/basics/relations.ma
+++ b/matita/matita/lib/basics/relations.ma
@@ -11,6 +11,7 @@
 
 include "basics/logic.ma".
 include "basics/core_notation/compose_2.ma".
+include "basics/core_notation/subseteq_2.ma".
 
 (********** predicates *********)