X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fbasic_2%2Fdynamic%2Fcnv_aaa.ma;h=d8981613d1f1abb5f53b91a3c47b322e70689c9d;hb=dd93a0919b67bead0d4f07d49dfc198006edc9aa;hp=18e2459596ea08dffcbdc08acf48d66596d2c299;hpb=282511a928532676813d99d08594cd5f98fcb80e;p=helm.git

diff --git a/matita/matita/contribs/lambdadelta/basic_2/dynamic/cnv_aaa.ma b/matita/matita/contribs/lambdadelta/basic_2/dynamic/cnv_aaa.ma
index 18e245959..d8981613d 100644
--- a/matita/matita/contribs/lambdadelta/basic_2/dynamic/cnv_aaa.ma
+++ b/matita/matita/contribs/lambdadelta/basic_2/dynamic/cnv_aaa.ma
@@ -15,7 +15,7 @@
 include "basic_2/rt_computation/cpms_aaa.ma".
 include "basic_2/dynamic/cnv.ma".
 
-(* CONTEXT_SENSITIVE NATIVE VALIDITY FOR TERMS ******************************)
+(* CONTEXT-SENSITIVE NATIVE VALIDITY FOR TERMS ******************************)
 
 (* Forward lemmas on atomic arity assignment for terms **********************)
 
@@ -40,3 +40,21 @@ lemma cnv_fwd_aaa (a) (h): ∀G,L,T. ⦃G, L⦄ ⊢ T ![a, h] → ∃A. ⦃G, L
   /3 width=3 by aaa_cast, ex_intro/
 ]
 qed-.
+
+(* Forward lemmas with t_bound rt_transition for terms **********************)
+
+lemma cnv_fwd_cpm_SO (a) (h) (G) (L):
+      ∀T. ⦃G, L⦄ ⊢ T ![a, h] → ∃U. ⦃G,L⦄ ⊢ T ➡[1,h] U.
+#a #h #G #L #T #H
+elim (cnv_fwd_aaa … H) -H #A #HA
+/2 width=2 by aaa_cpm_SO/
+qed-.
+
+(* Forward lemmas with t_bound rt_computation for terms *********************)
+
+lemma cnv_fwd_cpms_total (a) (h) (n) (G) (L):
+      ∀T. ⦃G, L⦄ ⊢ T ![a, h] → ∃U. ⦃G,L⦄ ⊢ T ➡*[n,h] U.
+#a #h #n #G #L #T #H
+elim (cnv_fwd_aaa … H) -H #A #HA
+/2 width=2 by aaa_cpms_total/
+qed-.