X-Git-Url: http://matita.cs.unibo.it/gitweb/?p=helm.git;a=blobdiff_plain;f=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fbasic_2%2Frt_computation%2Flsubsx_rdsx.ma;h=52454a2accf4baddc35b3e0f9523b3da7c804e56;hp=5448d58ff00c1ee1b9291651a99ed63bf1872464;hb=19a25bf176255055193372554437729a6fa1894c;hpb=ec261374a2990bebeded039a64c0be0795ad9e93

diff --git a/matita/matita/contribs/lambdadelta/basic_2/rt_computation/lsubsx_rdsx.ma b/matita/matita/contribs/lambdadelta/basic_2/rt_computation/lsubsx_rdsx.ma
index 5448d58ff..52454a2ac 100644
--- a/matita/matita/contribs/lambdadelta/basic_2/rt_computation/lsubsx_rdsx.ma
+++ b/matita/matita/contribs/lambdadelta/basic_2/rt_computation/lsubsx_rdsx.ma
@@ -40,9 +40,9 @@ lemma rdsx_cpx_trans_lsubsx (h) (o): ∀G,L0,T1,T2. ⦃G, L0⦄ ⊢ T1 ⬈[h] T2
   /4 width=2 by lsubsx_pair, rdsx_bind_void/
 | #I0 #G #L0 #V1 #V2 #T1 #T2 #_ #_ #IHV12 #IHT12 #f #L #HL0 #HL
   elim (rdsx_inv_flat … HL) -HL /3 width=2 by rdsx_flat/
-| #G #L0 #V #U1 #U2 #T2 #_ #HTU2 #IHU12 #f #L #HL0 #HL
+| #G #L0 #V #U1 #T1 #T2 #HTU1 #_ #IHT12 #f #L #HL0 #HL
   elim (rdsx_inv_bind … HL) -HL #HV #HU1
-  /4 width=8 by lsubsx_pair, rdsx_inv_lifts, drops_refl, drops_drop/
+  /5 width=8 by rdsx_inv_lifts, drops_refl, drops_drop/
 | #G #L0 #V #T1 #T2 #_ #IHT12 #f #L #HL0 #HL
   elim (rdsx_inv_flat … HL) -HL /2 width=2 by/
 | #G #L0 #V1 #V2 #T #_ #IHV12 #f #L #HL0 #HL