X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fbasic_2%2Frt_computation%2Fcsx_feqx.ma;h=dc64354d088f43c808a6ac381a3939376402fa64;hb=3c7b4071a9ac096b02334c1d47468776b948e2de;hp=a3cf919548c3adc440d941ebe4e99bfbe423733f;hpb=adb9ba187619cea977d1d22971eba27eb437cd6a;p=helm.git

diff --git a/matita/matita/contribs/lambdadelta/basic_2/rt_computation/csx_feqx.ma b/matita/matita/contribs/lambdadelta/basic_2/rt_computation/csx_feqx.ma
index a3cf91954..dc64354d0 100644
--- a/matita/matita/contribs/lambdadelta/basic_2/rt_computation/csx_feqx.ma
+++ b/matita/matita/contribs/lambdadelta/basic_2/rt_computation/csx_feqx.ma
@@ -15,12 +15,13 @@
 include "static_2/static/feqx.ma".
 include "basic_2/rt_computation/csx_reqx.ma".
 
-(* STRONGLY NORMALIZING TERMS FOR UNBOUND PARALLEL RT-TRANSITION ************)
+(* STRONGLY NORMALIZING TERMS FOR EXTENDED PARALLEL RT-TRANSITION ***********)
 
 (* Properties with sort-irrelevant equivalence for closures *****************)
 
-lemma csx_feqx_conf: ∀h,G1,L1,T1. ⦃G1,L1⦄ ⊢ ⬈*[h] 𝐒⦃T1⦄ →
-                     ∀G2,L2,T2. ⦃G1,L1,T1⦄ ≛ ⦃G2,L2,T2⦄ → ⦃G2,L2⦄ ⊢ ⬈*[h] 𝐒⦃T2⦄.
-#h #G1 #L1 #T1 #HT1 #G2 #L2 #T2 * -G2 -L2 -T2
+lemma csx_feqx_conf:
+      ∀G1,L1,T1. ❪G1,L1❫ ⊢ ⬈*𝐒 T1 →
+      ∀G2,L2,T2. ❪G1,L1,T1❫ ≛ ❪G2,L2,T2❫ → ❪G2,L2❫ ⊢ ⬈*𝐒 T2.
+#G1 #L1 #T1 #HT1 #G2 #L2 #T2 * -G2 -L2 -T2
 /3 width=3 by csx_reqx_conf, csx_teqx_trans/
 qed-.