X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fbasic_2%2Frt_computation%2Fcnuw_simple.ma;h=8e5f5527a24e40577aad958667683d86ac625afe;hb=bd53c4e895203eb049e75434f638f26b5a161a2b;hp=d32e1b1d63109650b57f45718bf56593e00e5608;hpb=5b5dca0c118dfbe3ba8f0514ef07549544eb7810;p=helm.git

diff --git a/matita/matita/contribs/lambdadelta/basic_2/rt_computation/cnuw_simple.ma b/matita/matita/contribs/lambdadelta/basic_2/rt_computation/cnuw_simple.ma
index d32e1b1d6..8e5f5527a 100644
--- a/matita/matita/contribs/lambdadelta/basic_2/rt_computation/cnuw_simple.ma
+++ b/matita/matita/contribs/lambdadelta/basic_2/rt_computation/cnuw_simple.ma
@@ -18,17 +18,10 @@ include "basic_2/rt_computation/cnuw.ma".
 
 (* NORMAL TERMS FOR T-UNUNBOUND WHD RT-TRANSITION ***************************)
 
-(* Advanced forward lemma with with simple terms ****************************)
-(*
-lemma cnuw_fwd_appl_simple (h) (G) (L):
-      ∀V,T. ⦃G,L⦄ ⊢ ➡𝐍𝐖*[h] ⓐV.T → 𝐒⦃T⦄.
-#h #G #L #V #T #HT
-elim (simple_dec_ex T) [ // ] * #p #I #W #U #H destruct
-*)
 (* Advanced properties with simple terms ************************************)
 
 lemma cnuw_appl_simple (h) (G) (L):
-      ∀V,T. 𝐒⦃T⦄ → ⦃G,L⦄ ⊢ ➡𝐍𝐖*[h] T → ⦃G,L⦄ ⊢ ➡𝐍𝐖*[h] ⓐV.T.
+      ∀V,T. 𝐒❪T❫ → ❪G,L❫ ⊢ ➡𝐍𝐖*[h] T → ❪G,L❫ ⊢ ➡𝐍𝐖*[h] ⓐV.T.
 #h #G #L #V1 #T1 #H1T1 #H2T1 #n #X #H
 elim (cpms_inv_appl_sn … H) -H *
 [ #V2 #T2 #_ #HT12 #H destruct -H1T1