src/HOL/Auth/All_Symmetric.thy
author wenzelm
Sat, 25 Feb 2012 12:34:56 +0100
changeset 46665 919dfcdf6d8a
parent 32631 2489e3c3562b
child 61830 4f5ab843cf5b
permissions -rw-r--r--
discontinued slightly odd Graph.del_nodes (inefficient due to full Table.map);

theory All_Symmetric
imports Message
begin

text {* All keys are symmetric *}

defs all_symmetric_def: "all_symmetric \<equiv> True"

lemma isSym_keys: "K \<in> symKeys"
  by (simp add: symKeys_def all_symmetric_def invKey_symmetric) 

end