X-Git-Url: http://matita.cs.unibo.it/gitweb/?p=helm.git;a=blobdiff_plain;f=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fbasic_2%2Frt_transition%2Flpx_fsle.ma;h=4f90ed805489f07ce8a0c3d576e849a5793da785;hp=ed31446250d2530f7181bd3d257ab8b1c95dd224;hb=bd53c4e895203eb049e75434f638f26b5a161a2b;hpb=3b7b8afcb429a60d716d5226a5b6ab0d003228b1

diff --git a/matita/matita/contribs/lambdadelta/basic_2/rt_transition/lpx_fsle.ma b/matita/matita/contribs/lambdadelta/basic_2/rt_transition/lpx_fsle.ma
index ed3144625..4f90ed805 100644
--- a/matita/matita/contribs/lambdadelta/basic_2/rt_transition/lpx_fsle.ma
+++ b/matita/matita/contribs/lambdadelta/basic_2/rt_transition/lpx_fsle.ma
@@ -19,10 +19,10 @@ include "basic_2/rt_transition/rpx_lpx.ma".
 (* Forward lemmas with free variables inclusion for restricted closures *****)
 
 (* Basic_2A1: uses: lpx_cpx_frees_trans *)
-lemma lpx_cpx_conf_fsge (h) (G): ∀L0,T0,T1. ⦃G,L0⦄ ⊢ T0 ⬈[h] T1 →
-                                 ∀L2. ⦃G,L0⦄ ⊢ ⬈[h] L2 → ⦃L2,T1⦄ ⊆ ⦃L0,T0⦄.
+lemma lpx_cpx_conf_fsge (h) (G): ∀L0,T0,T1. ❪G,L0❫ ⊢ T0 ⬈[h] T1 →
+                                 ∀L2. ❪G,L0❫ ⊢ ⬈[h] L2 → ❪L2,T1❫ ⊆ ❪L0,T0❫.
 /3 width=4 by rpx_cpx_conf_fsge, lpx_rpx/ qed-.
 
 (* Basic_2A1: uses: lpx_frees_trans *)
-lemma lpx_fsge_comp (h) (G): ∀L0,L2,T0. ⦃G,L0⦄ ⊢ ⬈[h] L2 → ⦃L2,T0⦄ ⊆ ⦃L0,T0⦄.
+lemma lpx_fsge_comp (h) (G): ∀L0,L2,T0. ❪G,L0❫ ⊢ ⬈[h] L2 → ❪L2,T0❫ ⊆ ❪L0,T0❫.
 /2 width=4 by lpx_cpx_conf_fsge/ qed-.