update in delayed_updating

[helm.git] / matita / matita / contribs / lambdadelta / delayed_updating / substitution / lift_path_after.ma

diff --git a/matita/matita/contribs/lambdadelta/delayed_updating/substitution/lift_path_after.ma b/matita/matita/contribs/lambdadelta/delayed_updating/substitution/lift_path_after.ma
index 938d2153443f3e300f6279ceb70673eccee8bfee..869d680fef6a2cec94700f90aef49d9fb4587787 100644 (file)
--- a/matita/matita/contribs/lambdadelta/delayed_updating/substitution/lift_path_after.ma
+++ b/matita/matita/contribs/lambdadelta/delayed_updating/substitution/lift_path_after.ma
@@ -15,6 +15,7 @@
 include "delayed_updating/substitution/lift_eq.ma".
 include "ground/relocation/tr_compose_pap.ma".
 include "ground/relocation/tr_compose_pn.ma".
+include "ground/relocation/tr_compose_tls.ma".
 
 (* LIFT FOR PATH ************************************************************)
 
@@ -22,7 +23,9 @@ include "ground/relocation/tr_compose_pn.ma".
 
 lemma lift_path_after (p) (f1) (f2):
       ↑[f2]↑[f1]p = ↑[f2∘f1]p.
-#p elim p -p [| * ] // #p #IH #f1 #f2
-<lift_path_L_sn <lift_path_L_sn <lift_path_L_sn
->tr_compose_push_bi //
+#p elim p -p [| * ] // [ #n ] #p #IH #f1 #f2
+[ <lift_path_d_sn <lift_path_d_sn <lift_path_d_sn //
+| <lift_path_L_sn <lift_path_L_sn <lift_path_L_sn
+  >tr_compose_push_bi //
+]
 qed.