src/HOL/ex/StringEx.thy
Thu, 27 Sep 2001 15:42:08 +0200 wenzelm tuned;
Thu, 01 Feb 2001 20:44:19 +0100 wenzelm tuned
Tue, 16 Jan 2001 00:38:25 +0100 wenzelm tuned examples;
Fri, 24 Jul 1998 17:55:57 +0200 wenzelm added ex/MonoidGroups (record example);
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