diff -r b4484ec4a8f7 -r e7c85e2dc198 src/Doc/Tutorial/Protocol/Message.thy
--- a/src/Doc/Tutorial/Protocol/Message.thy	Sun May 20 21:12:23 2018 +0200
+++ b/src/Doc/Tutorial/Protocol/Message.thy	Sun May 20 22:04:17 2018 +0200
@@ -785,8 +785,6 @@
 lemmas pushKeys =
   insert_commute [of "Key K" "Agent C"]
   insert_commute [of "Key K" "Nonce N"]
-  insert_commute [of "Key K" "Number N"]
-  insert_commute [of "Key K" "Hash X"]
   insert_commute [of "Key K" "MPair X Y"]
   insert_commute [of "Key K" "Crypt X K'"]
   for K C N X Y K'
@@ -795,8 +793,6 @@
   insert_commute [of "Crypt X K" "Agent C"]
   insert_commute [of "Crypt X K" "Agent C"]
   insert_commute [of "Crypt X K" "Nonce N"]
-  insert_commute [of "Crypt X K" "Number N"]
-  insert_commute [of "Crypt X K" "Hash X'"]
   insert_commute [of "Crypt X K" "MPair X' Y"]
   for X K C N X' Y