src/HOL/ZF/HOLZF.thy
Mon, 18 Sep 2006 15:11:31 +0200 obua replaced implodeable_Ext by set_like
Wed, 26 Jul 2006 19:23:04 +0200 webertj linear arithmetic splits certain operators (e.g. min, max, abs)
Tue, 07 Mar 2006 16:03:31 +0100 obua Added HOL-ZF to Isabelle.
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