src/ZF/zf.thy
Mon, 25 Oct 1993 12:42:33 +0100 wenzelm added white-space;
Mon, 11 Oct 1993 12:35:00 +0100 wenzelm "The" now a binder, removed translation;
Thu, 07 Oct 1993 10:48:16 +0100 lcp added ~: for "not in"
Thu, 16 Sep 1993 12:20:38 +0200 clasohm Initial revision
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