X-Git-Url: http://matita.cs.unibo.it/gitweb/?p=helm.git;a=blobdiff_plain;f=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fbasic_2%2Fdynamic%2Fnta_ind.ma;h=89565cde7a4aef6f09bdc69b42b82837d6f6bca2;hp=d459d184ad6f6736aad06e0e11738033e3c43e2e;hb=647b419e96770d90a82d7a9e5e8843566a9f93ee;hpb=f308429a0fde273605a2330efc63268b4ac36c99

diff --git a/matita/matita/contribs/lambdadelta/basic_2/dynamic/nta_ind.ma b/matita/matita/contribs/lambdadelta/basic_2/dynamic/nta_ind.ma
index d459d184a..89565cde7 100644
--- a/matita/matita/contribs/lambdadelta/basic_2/dynamic/nta_ind.ma
+++ b/matita/matita/contribs/lambdadelta/basic_2/dynamic/nta_ind.ma
@@ -22,7 +22,7 @@ include "basic_2/dynamic/nta_preserve.ma".
 (* Advanced eliminators *****************************************************)
 
 lemma nta_ind_rest_cnv (h) (Q:relation4 …):
-      (∀G,L,s. Q G L (⋆s) (⋆(next h s))) →
+      (∀G,L,s. Q G L (⋆s) (⋆(⫯[h]s))) →
       (∀G,K,V,W,U.
         ⦃G,K⦄ ⊢ V :[h] W → ⬆*[1] W ≘ U →
         Q G K V W → Q G (K.ⓓV) (#0) U
@@ -79,7 +79,7 @@ lemma nta_ind_rest_cnv (h) (Q:relation4 …):
 qed-.
 
 lemma nta_ind_ext_cnv_mixed (h) (Q:relation4 …):
-      (∀G,L,s. Q G L (⋆s) (⋆(next h s))) →
+      (∀G,L,s. Q G L (⋆s) (⋆(⫯[h]s))) →
       (∀G,K,V,W,U.
         ⦃G,K⦄ ⊢ V :*[h] W → ⬆*[1] W ≘ U →
         Q G K V W → Q G (K.ⓓV) (#0) U
@@ -144,7 +144,7 @@ lemma nta_ind_ext_cnv_mixed (h) (Q:relation4 …):
 qed-.
 
 lemma nta_ind_ext_cnv (h) (Q:relation4 …):
-      (∀G,L,s. Q G L (⋆s) (⋆(next h s))) →
+      (∀G,L,s. Q G L (⋆s) (⋆(⫯[h]s))) →
       (∀G,K,V,W,U.
         ⦃G,K⦄ ⊢ V :*[h] W → ⬆*[1] W ≘ U →
         Q G K V W → Q G (K.ⓓV) (#0) U