X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fbasic_2%2Frt_computation%2Fcsx_drops.ma;h=2a19811690bbcbec25a0c5882bf32b71e3f37cf9;hb=6555775aa5268dec0d9ae4579412b659cacdc964;hp=f934707bbe1eb0e7cd2e302d307f62d86b07cdd2;hpb=69592aa1d0c0d122fb09f11cc53bf4c5a1532fdd;p=helm.git

diff --git a/matita/matita/contribs/lambdadelta/basic_2/rt_computation/csx_drops.ma b/matita/matita/contribs/lambdadelta/basic_2/rt_computation/csx_drops.ma
index f934707bb..2a1981169 100644
--- a/matita/matita/contribs/lambdadelta/basic_2/rt_computation/csx_drops.ma
+++ b/matita/matita/contribs/lambdadelta/basic_2/rt_computation/csx_drops.ma
@@ -26,7 +26,7 @@ lemma csx_lifts: ∀h,o,G. d_liftable1 … (csx h o G).
 #h #o #G #K #T #H @(csx_ind … H) -T
 #T1 #_ #IH #b #f #L #HLK #U1 #HTU1
 @csx_intro #U2 #HU12 #HnU12
-elim (cpx_inv_lifts … HU12 … HLK … HTU1) -HU12
+elim (cpx_inv_lifts_sn … HU12 … HLK … HTU1) -HU12
 /4 width=7 by tdeq_lifts_bi/
 qed-.
 
@@ -38,6 +38,6 @@ lemma csx_inv_lifts: ∀h,o,G. d_deliftable1 … (csx h o G).
 #h #o #G #L #U #H @(csx_ind … H) -U
 #U1 #_ #IH #b #f #K #HLK #T1 #HTU1
 @csx_intro #T2 #HT12 #HnT12
-elim (cpx_lifts … HT12 … HLK … HTU1) -HT12
+elim (cpx_lifts_sn … HT12 … HLK … HTU1) -HT12
 /4 width=7 by tdeq_inv_lifts_bi/
 qed-.