X-Git-Url: http://matita.cs.unibo.it/gitweb/?p=helm.git;a=blobdiff_plain;f=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fbasic_2%2Frt_transition%2Flpr_lpx.ma;h=df7889d629e965796825de5b60f3746553d30abf;hp=6cc94e31fa87f6aa63798cc888d919d57adbfebf;hb=bd53c4e895203eb049e75434f638f26b5a161a2b;hpb=3b7b8afcb429a60d716d5226a5b6ab0d003228b1

diff --git a/matita/matita/contribs/lambdadelta/basic_2/rt_transition/lpr_lpx.ma b/matita/matita/contribs/lambdadelta/basic_2/rt_transition/lpr_lpx.ma
index 6cc94e31f..df7889d62 100644
--- a/matita/matita/contribs/lambdadelta/basic_2/rt_transition/lpr_lpx.ma
+++ b/matita/matita/contribs/lambdadelta/basic_2/rt_transition/lpr_lpx.ma
@@ -21,5 +21,5 @@ include "basic_2/rt_transition/lpr.ma".
 (* Forward lemmas with unbound parallel rt-transition for ref local envs ****)
 
 (* Basic_2A1: was: lpr_lpx *)
-lemma lpr_fwd_lpx (h) (G): ∀L1,L2. ⦃G,L1⦄ ⊢ ➡[h] L2 → ⦃G,L1⦄ ⊢ ⬈[h] L2.
+lemma lpr_fwd_lpx (h) (G): ∀L1,L2. ❪G,L1❫ ⊢ ➡[h] L2 → ❪G,L1❫ ⊢ ⬈[h] L2.
 /3 width=3 by cpm_fwd_cpx, lex_co/ qed-.