src/HOL/Auth/Yahalom.thy
Fri, 18 Oct 1996 11:42:41 +0200 paulson Addition of Reveal message
Thu, 26 Sep 1996 12:50:48 +0200 paulson Introduction of "lost" argument
Fri, 13 Sep 1996 13:16:57 +0200 paulson Addition of Yahalom protocol
Thu, 12 Sep 1996 10:40:05 +0200 paulson Tidied many proofs, using AddIffs to let equivalences take
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