Fri, 09 Jul 1999 18:48:54 +0200 added Isar/local_defs.ML;
wenzelm [Fri, 09 Jul 1999 18:48:54 +0200] rev 6954
added Isar/local_defs.ML;
Fri, 09 Jul 1999 18:48:33 +0200 added 'def';
wenzelm [Fri, 09 Jul 1999 18:48:33 +0200] rev 6953
added 'def'; added "!!" keyword; removed 'qed_with';
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