Mon, 13 Jan 1997 09:29:55 +0100 wenzelm replaced unit refs by 'stamp';
Fri, 10 Jan 1997 10:27:57 +0100 wenzelm cleaned up (real changes next time);
Thu, 09 Jan 1997 17:16:50 +0100 wenzelm make all Isabelle systems afresh;
Thu, 09 Jan 1997 16:44:57 +0100 wenzelm *** empty log message ***
Thu, 09 Jan 1997 16:01:34 +0100 wenzelm IsaMakefile for ZF;
Thu, 09 Jan 1997 10:23:39 +0100 paulson Tidying of proofs. New theorems are enterred immediately into the
Thu, 09 Jan 1997 10:22:42 +0100 paulson New theorem add_leE
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