X-Git-Url: http://matita.cs.unibo.it/gitweb/?p=helm.git;a=blobdiff_plain;f=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fbasic_2%2Frt_computation%2Ffpbg_lpxs.ma;h=2893e58e55fa3b73b80b0f5cbad0d8318b7994a2;hp=654110c10a39272bdd51d1027e5e1d78cadfdfff;hb=bd53c4e895203eb049e75434f638f26b5a161a2b;hpb=3b7b8afcb429a60d716d5226a5b6ab0d003228b1

diff --git a/matita/matita/contribs/lambdadelta/basic_2/rt_computation/fpbg_lpxs.ma b/matita/matita/contribs/lambdadelta/basic_2/rt_computation/fpbg_lpxs.ma
index 654110c10..2893e58e5 100644
--- a/matita/matita/contribs/lambdadelta/basic_2/rt_computation/fpbg_lpxs.ma
+++ b/matita/matita/contribs/lambdadelta/basic_2/rt_computation/fpbg_lpxs.ma
@@ -20,8 +20,8 @@ include "basic_2/rt_computation/fpbg.ma".
 (* Properties with unbound rt-computation on full local environments ********)
 
 (* Basic_2A1: uses: lpxs_fpbg *)
-lemma lpxs_rneqx_fpbg: ∀h,G,L1,L2,T. ⦃G,L1⦄ ⊢ ⬈*[h] L2 →
-                       (L1 ≛[T] L2 → ⊥) → ⦃G,L1,T⦄ >[h] ⦃G,L2,T⦄.
+lemma lpxs_rneqx_fpbg: ∀h,G,L1,L2,T. ❪G,L1❫ ⊢ ⬈*[h] L2 →
+                       (L1 ≛[T] L2 → ⊥) → ❪G,L1,T❫ >[h] ❪G,L2,T❫.
 #h #G #L1 #L2 #T #H #H0
 elim (lpxs_rneqx_inv_step_sn … H … H0) -H -H0
 /4 width=7 by fpb_lpx, lpxs_feqx_fpbs, feqx_intro_sn, ex2_3_intro/