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=5251ac507408ec19aa9560c5dbe0ab3d0e5eb1cd;hp=6586e600ce8732e0b376ef8dc523becc0589c88a;hb=3c7b4071a9ac096b02334c1d47468776b948e2de;hpb=2f6f2b7c01d47d23f61dd48d767bcb37aecdcfea

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 6586e600c..5251ac507 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
@@ -17,10 +17,11 @@ include "basic_2/rt_transition/cpm.ma".
 
 (* T-BOUND CONTEXT-SENSITIVE PARALLEL RT-TRANSITION FOR TERMS ***************)
 
-(* Forward lemmas with unbound context-sensitive rt-transition for terms ****)
+(* Forward lemmas with extended context-sensitive rt-transition for terms ***)
 
 (* Basic_2A1: includes: cpr_cpx *)
-lemma cpm_fwd_cpx: ∀h,n,G,L,T1,T2. ❪G,L❫ ⊢ T1 ➡[h,n] T2 → ❪G,L❫ ⊢ T1 ⬈[h] T2.
-#h #n #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/
+lemma cpm_fwd_cpx (h) (n) (G) (L):
+      ∀T1,T2. ❪G,L❫ ⊢ T1 ➡[h,n] T2 → ❪G,L❫ ⊢ T1 ⬈ T2.
+#h #n #G #L #T1 #T2 * #c #_ #HT12
+/2 width=4 by cpg_cpx/
 qed-.