- update in Basic_2

[helm.git] / matita / matita / contribs / lambda_delta / Basic_2 / unfold / lifts_lift_vector.ma

diff --git a/matita/matita/contribs/lambda_delta/Basic_2/unfold/lifts_lift_vector.ma b/matita/matita/contribs/lambda_delta/Basic_2/unfold/lifts_lift_vector.ma
index 727a93f54abfd70b56c46d35ca5f9073cd555499..0d279c6dad91be473f8b08ed3bb06c0c0ab1eca6 100644 (file)
--- a/matita/matita/contribs/lambda_delta/Basic_2/unfold/lifts_lift_vector.ma
+++ b/matita/matita/contribs/lambda_delta/Basic_2/unfold/lifts_lift_vector.ma
@@ -20,7 +20,7 @@ include "Basic_2/unfold/lifts_vector.ma".
 
 (* Main properties **********************************************************)
 
-(* Basic_1: was: lifts1_xhg *)
+(* Basic_1: was: lifts1_xhg (right to left) *)
 lemma liftsv_liftv_trans_le: ∀T1s,Ts,des. ⇧*[des] T1s ≡ Ts →
                              ∀T2s:list term. ⇧[0, 1] Ts ≡ T2s →
                              ∃∃T0s. ⇧[0, 1] T1s ≡ T0s & ⇧*[des + 1] T0s ≡ T2s.