X-Git-Url: http://matita.cs.unibo.it/gitweb/?p=helm.git;a=blobdiff_plain;f=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fbasic_2%2Frt_computation%2Frsx_rsx.ma;h=230a56900ee7bfeac69a907e64eb461a3a3cc945;hp=0c31405a8982fe15d411d3b264c91fc835e435c3;hb=bd53c4e895203eb049e75434f638f26b5a161a2b;hpb=3b7b8afcb429a60d716d5226a5b6ab0d003228b1

diff --git a/matita/matita/contribs/lambdadelta/basic_2/rt_computation/rsx_rsx.ma b/matita/matita/contribs/lambdadelta/basic_2/rt_computation/rsx_rsx.ma
index 0c31405a8..230a56900 100644
--- a/matita/matita/contribs/lambdadelta/basic_2/rt_computation/rsx_rsx.ma
+++ b/matita/matita/contribs/lambdadelta/basic_2/rt_computation/rsx_rsx.ma
@@ -21,8 +21,8 @@ include "basic_2/rt_computation/rsx.ma".
 
 (* Basic_2A1: uses: lsx_lleq_trans *)
 lemma rsx_reqx_trans (h) (G):
-      ∀L1,T. G ⊢ ⬈*[h,T] 𝐒⦃L1⦄ →
-      ∀L2. L1 ≛[T] L2 → G ⊢ ⬈*[h,T] 𝐒⦃L2⦄.
+      ∀L1,T. G ⊢ ⬈*[h,T] 𝐒❪L1❫ →
+      ∀L2. L1 ≛[T] L2 → G ⊢ ⬈*[h,T] 𝐒❪L2❫.
 #h #G #L1 #T #H @(rsx_ind … H) -L1
 #L1 #_ #IHL1 #L2 #HL12 @rsx_intro
 #L #HL2 #HnL2 elim (reqx_lpx_trans … HL2 … HL12) -HL2
@@ -31,8 +31,8 @@ qed-.
 
 (* Basic_2A1: uses: lsx_lpx_trans *)
 lemma rsx_lpx_trans (h) (G):
-      ∀L1,T. G ⊢ ⬈*[h,T] 𝐒⦃L1⦄ →
-      ∀L2. ⦃G,L1⦄ ⊢ ⬈[h] L2 → G ⊢ ⬈*[h,T] 𝐒⦃L2⦄.
+      ∀L1,T. G ⊢ ⬈*[h,T] 𝐒❪L1❫ →
+      ∀L2. ❪G,L1❫ ⊢ ⬈[h] L2 → G ⊢ ⬈*[h,T] 𝐒❪L2❫.
 #h #G #L1 #T #H @(rsx_ind … H) -L1 #L1 #HL1 #IHL1 #L2 #HL12
 elim (reqx_dec L1 L2 T) /3 width=4 by rsx_reqx_trans/
 qed-.