commit by user andrea

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

diff --git a/matita/matita/contribs/lambda_delta/Basic_2/unfold/lifts_lifts.ma b/matita/matita/contribs/lambda_delta/Basic_2/unfold/lifts_lifts.ma
index 331de05dffbd95be10885bfeb731eb77ef59092a..6062f89b1ea4d64453e43b3668ed84d579fe9568 100644 (file)
--- a/matita/matita/contribs/lambda_delta/Basic_2/unfold/lifts_lifts.ma
+++ b/matita/matita/contribs/lambda_delta/Basic_2/unfold/lifts_lifts.ma
@@ -18,7 +18,7 @@ include "Basic_2/unfold/lifts_lift.ma".
 
 (* Main properties **********************************************************)
 
-(* Basic_1: was: lift1_lift1 *)
+(* Basic_1: was: lift1_lift1 (left to right) *)
 theorem lifts_trans: ∀T1,T,des1. ⇧*[des1] T1 ≡ T → ∀T2:term. ∀des2. ⇧*[des2] T ≡ T2 →
                      ⇧*[des1 @ des2] T1 ≡ T2.
 #T1 #T #des1 #H elim H -T1 -T -des1 // /3 width=3/