Tue, 10 Jun 2008 19:15:21 +0200 wenzelm InductTacs.case_tac with proper context and proper declaration of local variable;
Tue, 10 Jun 2008 19:15:20 +0200 wenzelm added HOL/Tools/induct_tacs.ML;
Tue, 10 Jun 2008 19:15:19 +0200 wenzelm eliminated obsolete case_split_thm -- use case_split;
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