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src/HOL/Auth/Shared.thy
changeset 2264 f298678bd54a
parent 2078 b198b3d46fb4
child 2319 95f0d5243c85 
--- a/src/HOL/Auth/Shared.thy	Wed Nov 27 20:36:33 1996 +0100
+++ b/src/HOL/Auth/Shared.thy	Thu Nov 28 10:41:14 1996 +0100
@@ -54,9 +54,9 @@
 rules
   inj_shrK      "inj shrK"
 
-  inj_newN      "inj newN"
+  newN_length   "(newN evs = newN evt) ==> (length evs = length evt)"
+  newK_length   "(newK evs = newK evt) ==> (length evs = length evt)"
 
-  inj_newK      "inj newK"
   newK_neq_shrK "newK evs ~= shrK A" 
   isSym_newK    "isSymKey (newK evs)"
isabelle