X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fbasic_2%2Frt_computation%2Ffpbs_csx.ma;h=c68d3a6610b4e36365cf9310da8f233876469343;hb=3c7b4071a9ac096b02334c1d47468776b948e2de;hp=71f12aeffd67a27409ec32b5619a38a5113f2b90;hpb=4173283e148199871d787c53c0301891deb90713;p=helm.git

diff --git a/matita/matita/contribs/lambdadelta/basic_2/rt_computation/fpbs_csx.ma b/matita/matita/contribs/lambdadelta/basic_2/rt_computation/fpbs_csx.ma
index 71f12aeff..c68d3a661 100644
--- a/matita/matita/contribs/lambdadelta/basic_2/rt_computation/fpbs_csx.ma
+++ b/matita/matita/contribs/lambdadelta/basic_2/rt_computation/fpbs_csx.ma
@@ -17,11 +17,12 @@ include "basic_2/rt_computation/fpbs.ma".
 
 (* PARALLEL RST-COMPUTATION FOR CLOSURES ************************************)
 
-(* Properties with sn for unbound parallel rt-transition for terms **********)
+(* Properties with sn for extended parallel rt-transition for terms *********)
 
 (* Basic_2A1: was: csx_fpbs_conf *)
-lemma fpbs_csx_conf: ∀h,G1,L1,T1. ⦃G1, L1⦄ ⊢ ⬈*[h] 𝐒⦃T1⦄ →
-                     ∀G2,L2,T2. ⦃G1, L1, T1⦄ ≥[h] ⦃G2, L2, T2⦄ → ⦃G2, L2⦄ ⊢ ⬈*[h] 𝐒⦃T2⦄.
-#h #G1 #L1 #T1 #HT1 #G2 #L2 #T2 #H @(fpbs_ind … H) -G2 -L2 -T2
+lemma fpbs_csx_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 #H @(fpbs_ind … H) -G2 -L2 -T2
 /2 width=5 by csx_fpbq_conf/
 qed-.