X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=matita%2Fmatita%2Fcontribs%2Flambda_delta%2Fbasic_2%2Fgrammar%2Fterm_vector.ma;h=7b4923bbe6b3a60530fc9731d3d55130f1c3c87e;hb=a386e0eb6b20909ae78c825203d77647b8fde30c;hp=c2ad0f835f63504ab3c054b646db776c75adce88;hpb=a8c166f1e1baeeae04553058bd179420ada8bbe7;p=helm.git

diff --git a/matita/matita/contribs/lambda_delta/basic_2/grammar/term_vector.ma b/matita/matita/contribs/lambda_delta/basic_2/grammar/term_vector.ma
index c2ad0f835..7b4923bbe 100644
--- a/matita/matita/contribs/lambda_delta/basic_2/grammar/term_vector.ma
+++ b/matita/matita/contribs/lambda_delta/basic_2/grammar/term_vector.ma
@@ -13,7 +13,7 @@
 (**************************************************************************)
 
 include "ground_2/list.ma".
-include "basic_2/grammar/term.ma".
+include "basic_2/grammar/term_simple.ma".
 
 (* TERMS ********************************************************************)
 
@@ -25,3 +25,9 @@ let rec applv Vs T on Vs ≝
 
 interpretation "application o vevtor (term)"
    'SnApplV Vs T = (applv Vs T).
+
+(* properties concerning simple terms ***************************************)
+
+lemma applv_simple: ∀T,Vs.  𝐒[T] -> 𝐒[ⒶVs.T].
+#T * //
+qed.