X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fdelayed_updating%2Fsubstitution%2Flift_path_structure.ma;h=773749b63762721581b377a23b1cc300e6a6dadc;hb=4ac2becfaa45abb18acb2bdf3db5d2587cadb6d4;hp=15d6e0933800e9c3a47c7ad18114a52f61b1b4a9;hpb=f5b6fd3125c0aefa1db23fbdd23b887fa964f385;p=helm.git

diff --git a/matita/matita/contribs/lambdadelta/delayed_updating/substitution/lift_path_structure.ma b/matita/matita/contribs/lambdadelta/delayed_updating/substitution/lift_path_structure.ma
index 15d6e0933..773749b63 100644
--- a/matita/matita/contribs/lambdadelta/delayed_updating/substitution/lift_path_structure.ma
+++ b/matita/matita/contribs/lambdadelta/delayed_updating/substitution/lift_path_structure.ma
@@ -23,7 +23,8 @@ lemma structure_lift_path (p) (f):
       ⊗p = ⊗↑[f]p.
 #p elim p -p //
 * [ #n ] #p #IH #f //
-[ <lift_path_m_sn <structure_m_sn <structure_m_sn //
+[ <lift_path_d_sn <structure_d_sn <structure_d_sn //
+| <lift_path_m_sn <structure_m_sn <structure_m_sn //
 | <lift_path_L_sn <structure_L_sn <structure_L_sn //
 ]
 qed.