src/ZF/Induct/Binary_Trees.thy
Mon, 11 Sep 2006 21:35:19 +0200 wenzelm induct method: renamed 'fixing' to 'arbitrary';
Thu, 15 Dec 2005 19:42:03 +0100 wenzelm improved proofs;
Fri, 17 Jun 2005 16:12:49 +0200 haftmann migrated theory headers to new format
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