X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fbasic_2%2Fdynamic%2Fnta.ma;h=84bbfeda94a2c4df1493e9833e525707ee2134a7;hb=647b419e96770d90a82d7a9e5e8843566a9f93ee;hp=5b83675b3a62e855e74d9699b9c3ec58a2e13d28;hpb=de3a41b9a4e51dc1b09adce800273adf5ffa1215;p=helm.git

diff --git a/matita/matita/contribs/lambdadelta/basic_2/dynamic/nta.ma b/matita/matita/contribs/lambdadelta/basic_2/dynamic/nta.ma
index 5b83675b3..84bbfeda9 100644
--- a/matita/matita/contribs/lambdadelta/basic_2/dynamic/nta.ma
+++ b/matita/matita/contribs/lambdadelta/basic_2/dynamic/nta.ma
@@ -26,16 +26,16 @@ interpretation "native type assignment (term)"
    'Colon a h G L T U = (nta a h G L T U).
 
 interpretation "restricted native type assignment (term)"
-   'Colon h G L T U = (nta true h G L T U).
+   'Colon h G L T U = (nta (yinj (S (S O))) h G L T U).
 
 interpretation "extended native type assignment (term)"
-   'ColonStar h G L T U = (nta false h G L T U).
+   'ColonStar h G L T U = (nta Y h G L T U).
 
 (* Basic properties *********************************************************)
 
 (* Basic_1: was by definition: ty3_sort *)
 (* Basic_2A1: was by definition: nta_sort ntaa_sort *)
-lemma nta_sort (a) (h) (G) (L) (s): ⦃G,L⦄ ⊢ ⋆s :[a,h] ⋆(next h s).
+lemma nta_sort (a) (h) (G) (L) (s): ⦃G,L⦄ ⊢ ⋆s :[a,h] ⋆(⫯[h]s).
 #a #h #G #L #s /2 width=3 by cnv_sort, cnv_cast, cpms_sort/
 qed.