X-Git-Url: http://matita.cs.unibo.it/gitweb/?p=helm.git;a=blobdiff_plain;f=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fbasic_2%2Frt_computation%2Flprs_lpxs.ma;h=2c95704c8dbab5c215377150105d4b248a84f3af;hp=5709df1f30d450ff8be54d5f6020ac38c1667c23;hb=bd53c4e895203eb049e75434f638f26b5a161a2b;hpb=3b7b8afcb429a60d716d5226a5b6ab0d003228b1

diff --git a/matita/matita/contribs/lambdadelta/basic_2/rt_computation/lprs_lpxs.ma b/matita/matita/contribs/lambdadelta/basic_2/rt_computation/lprs_lpxs.ma
index 5709df1f3..2c95704c8 100644
--- a/matita/matita/contribs/lambdadelta/basic_2/rt_computation/lprs_lpxs.ma
+++ b/matita/matita/contribs/lambdadelta/basic_2/rt_computation/lprs_lpxs.ma
@@ -22,5 +22,5 @@ include "basic_2/rt_computation/lprs.ma".
 
 (* Basic_2A1: was: lprs_lpxs *)
 (* Note: original proof uses lpr_fwd_lpx and monotonic_TC *)
-lemma lprs_fwd_lpxs (h) (G) : ∀L1,L2. ⦃G,L1⦄ ⊢ ➡*[h] L2 → ⦃G,L1⦄ ⊢ ⬈*[h] L2.
+lemma lprs_fwd_lpxs (h) (G) : ∀L1,L2. ❪G,L1❫ ⊢ ➡*[h] L2 → ❪G,L1❫ ⊢ ⬈*[h] L2.
 /3 width=3 by cpms_fwd_cpxs, lex_co/ qed-.