Tue, 22 Feb 2000 21:48:50 +0100 wenzelm added cases_tac;
Tue, 22 Feb 2000 21:48:24 +0100 wenzelm induct: tuned syntax;
Tue, 22 Feb 2000 21:45:20 +0100 wenzelm added cases_of, cases;
Tue, 22 Feb 2000 21:39:38 +0100 wenzelm removed case_split thm binding;
Tue, 22 Feb 2000 21:39:01 +0100 wenzelm added boolN;
Tue, 22 Feb 2000 20:16:07 +0100 wenzelm proper variant names (admit field "r");
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