X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=matita%2Fmatita%2Fcontribs%2Flambda_delta%2Fbasic_2%2Fcomputation%2Fcsn.ma;h=6b58893271fe1f020ff2061e402c68e1d8f56b1a;hb=fde3b3d2e6cc48f6c9880136b1a0d565e2c78c1f;hp=903c62ea2eca5351aaad0be7c48a56b7b920612d;hpb=78d4844bcccb3deb58a3179151c3045298782b18;p=helm.git

diff --git a/matita/matita/contribs/lambda_delta/basic_2/computation/csn.ma b/matita/matita/contribs/lambda_delta/basic_2/computation/csn.ma
index 903c62ea2..6b5889327 100644
--- a/matita/matita/contribs/lambda_delta/basic_2/computation/csn.ma
+++ b/matita/matita/contribs/lambda_delta/basic_2/computation/csn.ma
@@ -12,7 +12,6 @@
 (*                                                                        *)
 (**************************************************************************)
 
-include "basic_2/reducibility/cpr.ma".
 include "basic_2/reducibility/cnf.ma".
 
 (* CONTEXT-SENSITIVE STRONGLY NORMALIZING TERMS *****************************)
@@ -43,7 +42,7 @@ lemma csn_intro: ∀L,T1.
 /4 width=1/ qed.
 
 (* Basic_1: was: sn3_nf2 *)
-lemma csn_cnf: ∀L,T. L ⊢ 𝐍[T] → L ⊢ ⬇* T.
+lemma csn_cnf: ∀L,T. L ⊢ 𝐍⦃T⦄ → L ⊢ ⬇* T.
 /2 width=1/ qed.
 
 lemma csn_cpr_trans: ∀L,T1. L ⊢ ⬇* T1 → ∀T2. L ⊢ T1 ➡ T2 → L ⊢ ⬇* T2.
@@ -55,7 +54,7 @@ elim (term_eq_dec T1 T2) #HT12
 qed.
 
 (* Basic_1: was: sn3_cast *)
-lemma csn_cast: ∀L,W. L ⊢ ⬇* W → ∀T. L ⊢ ⬇* T → L ⊢ ⬇* ⓣW. T.
+lemma csn_cast: ∀L,W. L ⊢ ⬇* W → ∀T. L ⊢ ⬇* T → L ⊢ ⬇* ⓝW. T.
 #L #W #HW elim HW -W #W #_ #IHW #T #HT @(csn_ind … HT) -T #T #HT #IHT
 @csn_intro #X #H1 #H2
 elim (cpr_inv_cast1 … H1) -H1