Tue, 27 Apr 1999 10:44:17 +0200 wenzelm "iff" attribute;
Tue, 27 Apr 1999 10:43:52 +0200 wenzelm hol_setup;
Tue, 27 Apr 1999 10:42:55 +0200 wenzelm "!" made keyword;
Tue, 27 Apr 1999 10:42:37 +0200 wenzelm opt_thm_name: name optional;
Tue, 27 Apr 1999 10:42:08 +0200 wenzelm added oooo;
Mon, 26 Apr 1999 13:25:49 +0200 paulson fixed a bug many years old in rule plusEC
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