milestone in basic_2

[helm.git] / matita / matita / contribs / lambdadelta / basic_2 / rt_computation / csx_drops.ma

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 c0ecbf084361cdac1e3612e2aab29ee2fbf080dd..ad0c072fb097cb60e0c0b52991ebd1f609474381 100644 (file)
--- a/matita/matita/contribs/lambdadelta/basic_2/rt_computation/csx_drops.ma
+++ b/matita/matita/contribs/lambdadelta/basic_2/rt_computation/csx_drops.ma
@@ -22,8 +22,8 @@ include "basic_2/rt_computation/csx.ma".
 
 (* Basic_1: was just: sn3_lift *)
 (* Basic_2A1: was just: csx_lift *)
-lemma csx_lifts: ∀h,o,G. d_liftable1 … (csx h o G).
-#h #o #G #K #T #H @(csx_ind … H) -T
+lemma csx_lifts: ∀h,G. d_liftable1 … (csx h G).
+#h #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_sn … HU12 … HLK … HTU1) -HU12
@@ -34,8 +34,8 @@ qed-.
 
 (* Basic_1: was just: sn3_gen_lift *)
 (* Basic_2A1: was just: csx_inv_lift *)
-lemma csx_inv_lifts: ∀h,o,G. d_deliftable1 … (csx h o G).
-#h #o #G #L #U #H @(csx_ind … H) -U
+lemma csx_inv_lifts: ∀h,G. d_deliftable1 … (csx h G).
+#h #G #L #U #H @(csx_ind … H) -U
 #U1 #_ #IH #b #f #K #HLK #T1 #HTU1
 @csx_intro #T2 #HT12 #HnT12
 elim (cpx_lifts_sn … HT12 … HLK … HTU1) -HT12