X-Git-Url: http://matita.cs.unibo.it/gitweb/?p=helm.git;a=blobdiff_plain;f=matita%2Fmatita%2Flib%2Flambda%2Fsubterms%2Fsubterms.ma;h=acfcde6a435fa52d2be754d9250be36f4f2e558a;hp=c4ec383b5765c6d7b2a98c007fa3533c9f2a99c7;hb=613d8642b1154dde0c026cbdcd96568910198251;hpb=647504aa72b84eb49be8177b88a9254174e84d4b

diff --git a/matita/matita/lib/lambda/subterms/subterms.ma b/matita/matita/lib/lambda/subterms/subterms.ma
index c4ec383b5..acfcde6a4 100644
--- a/matita/matita/lib/lambda/subterms/subterms.ma
+++ b/matita/matita/lib/lambda/subterms/subterms.ma
@@ -14,6 +14,10 @@
 
 include "lambda/background/preamble.ma".
 
+include "lambda/notation/functions/variablereferencebyindex_2.ma".
+include "lambda/notation/functions/abstraction_2.ma".
+include "lambda/notation/functions/application_3.ma".
+
 (* SUBSETS OF SUBTERMS ******************************************************)
 
 (* Policy: boolean marks metavariables: b,c