X-Git-Url: http://matita.cs.unibo.it/gitweb/?p=helm.git;a=blobdiff_plain;f=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fbasic_2%2Frt_transition%2Fcpm_cpx.ma;h=c3fb02f6802b025787c448df531eee48a2995339;hp=8cbb8fc1834b92edb21125c735fd9ffdc9f6a7fd;hb=bd53c4e895203eb049e75434f638f26b5a161a2b;hpb=3b7b8afcb429a60d716d5226a5b6ab0d003228b1

diff --git a/matita/matita/contribs/lambdadelta/basic_2/rt_transition/cpm_cpx.ma b/matita/matita/contribs/lambdadelta/basic_2/rt_transition/cpm_cpx.ma
index 8cbb8fc18..c3fb02f68 100644
--- a/matita/matita/contribs/lambdadelta/basic_2/rt_transition/cpm_cpx.ma
+++ b/matita/matita/contribs/lambdadelta/basic_2/rt_transition/cpm_cpx.ma
@@ -20,7 +20,7 @@ include "basic_2/rt_transition/cpm.ma".
 (* Forward lemmas with unbound context-sensitive rt-transition for terms ****)
 
 (* Basic_2A1: includes: cpr_cpx *)
-lemma cpm_fwd_cpx: ∀n,h,G,L,T1,T2. ⦃G,L⦄ ⊢ T1 ➡[n,h] T2 → ⦃G,L⦄ ⊢ T1 ⬈[h] T2.
+lemma cpm_fwd_cpx: ∀n,h,G,L,T1,T2. ❪G,L❫ ⊢ T1 ➡[n,h] T2 → ❪G,L❫ ⊢ T1 ⬈[h] T2.
 #n #h #G #L #T1 #T2 * #c #Hc #H elim H -L -T1 -T2
 /2 width=3 by cpx_theta, cpx_beta, cpx_ee, cpx_eps, cpx_zeta, cpx_flat, cpx_bind, cpx_lref, cpx_delta/
 qed-.