X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fdelayed_updating%2Fsubstitution%2Flift_structure_depth.ma;h=228e132bfb70216cc6f18f2bbce74d578a5707a4;hb=e0c91d8a4422da0b39aca790e5826dc8a617b303;hp=ee42bfb2437ba841ce544d243d5596a471a44fb4;hpb=56092257aa4be8e6d0ae37ee6590f6d3258b0485;p=helm.git

diff --git a/matita/matita/contribs/lambdadelta/delayed_updating/substitution/lift_structure_depth.ma b/matita/matita/contribs/lambdadelta/delayed_updating/substitution/lift_structure_depth.ma
index ee42bfb24..228e132bf 100644
--- a/matita/matita/contribs/lambdadelta/delayed_updating/substitution/lift_structure_depth.ma
+++ b/matita/matita/contribs/lambdadelta/delayed_updating/substitution/lift_structure_depth.ma
@@ -23,11 +23,10 @@ include "ground/arith/nat_pred_succ.ma".
 (* Basic constructions with structure and depth ****************************)
 
 lemma lift_rmap_structure (p) (f):
-      (⫯*[↓❘p❘]f) = ↑[⊗p]f.
+      (⫯*[❘p❘]f) = ↑[⊗p]f.
 #p elim p -p //
 * [ #n ] #p #IH #f //
-[ <lift_rmap_L_sn <IH -IH >tr_pushs_swap //
-| <lift_rmap_A_sn //
+[ <lift_rmap_A_sn //
 | <lift_rmap_S_sn //
 ]
 qed.