]> matita.cs.unibo.it Git - helm.git/blobdiff - matita/matita/contribs/lambdadelta/basic_2/i_dynamic/ntas_preserve.ma
ground_2 released and permanently renamed as ground
[helm.git] / matita / matita / contribs / lambdadelta / basic_2 / i_dynamic / ntas_preserve.ma
index b8759a27d6794d7ec762ca921cbf8892e9446693..72d7589269647fe699214544657b45c3f12c76a0 100644 (file)
@@ -12,7 +12,7 @@
 (*                                                                        *)
 (**************************************************************************)
 
-include "ground_2/xoa/ex_7_5.ma".
+include "ground/xoa/ex_7_5.ma".
 include "basic_2/rt_equivalence/cpcs_cprs.ma".
 include "basic_2/dynamic/cnv_preserve.ma".
 include "basic_2/i_dynamic/ntas.ma".
@@ -22,7 +22,7 @@ include "basic_2/i_dynamic/ntas.ma".
 (* Properties based on preservation *****************************************)
 
 lemma cnv_cpms_ntas (h) (a) (G) (L):
-      ∀T. ❪G,L❫ ⊢ T ![h,a] → ∀n,U.❪G,L❫ ⊢ T ➡*[n,h] U → ❪G,L❫ ⊢ T :*[h,a,n] U.
+      ∀T. ❪G,L❫ ⊢ T ![h,a] → ∀n,U.❪G,L❫ ⊢ T ➡*[h,n] U → ❪G,L❫ ⊢ T :*[h,a,n] U.
 /3 width=4 by ntas_intro, cnv_cpms_trans/ qed.
 
 (* Inversion lemmas based on preservation ***********************************)