- basic_2: induction for preservation results now uses supclosure

[helm.git] / matita / matita / contribs / lambdadelta / basic_2 / substitution / lpss_ldrop.ma

diff --git a/matita/matita/contribs/lambdadelta/basic_2/substitution/lpss_ldrop.ma b/matita/matita/contribs/lambdadelta/basic_2/substitution/lpss_ldrop.ma
index 17fa5b45f0ea89d91e89d501ebd9c6b02841dd21..4237c766622c199f65878efd3861c265f79fe2e9 100644 (file)
--- a/matita/matita/contribs/lambdadelta/basic_2/substitution/lpss_ldrop.ma
+++ b/matita/matita/contribs/lambdadelta/basic_2/substitution/lpss_ldrop.ma
@@ -34,7 +34,7 @@ lemma lpss_ldrop_trans_O1: dropable_dx lpss.
 
 lemma fsup_cpss_trans: ∀L1,L2,T1,T2. ⦃L1, T1⦄ ⊃ ⦃L2, T2⦄ → ∀U2. L2 ⊢ T2 ▶* U2 →
                        ∃∃L,U1. L1 ⊢ ▶* L & L ⊢ T1 ▶* U1 & ⦃L, U1⦄ ⊃ ⦃L2, U2⦄.
-#L1 #L2 #T1 #T2 #H elim H -L1 -L2 -T1 -T2 [1,2,3,4,5: /3 width=5/ ]
+#L1 #L2 #T1 #T2 #H elim H -L1 -L2 -T1 -T2 [2: * ] [1,2,3,4,5: /3 width=5/ ]
 #L1 #K1 #K2 #T1 #T2 #U1 #d #e #HLK1 #HTU1 #_ #IHT12 #U2 #HTU2
 elim (IHT12 … HTU2) -IHT12 -HTU2 #K #T #HK1 #HT1 #HT2
 elim (lift_total T d e) #U #HTU