Thu, 06 Jun 1996 13:13:18 +0200 paulson Quotes now optional around inductive set
Tue, 04 Jun 1996 12:49:04 +0200 paulson Tidied some proofs
Mon, 03 Jun 1996 17:10:56 +0200 berghofe best_tac, deepen_tac and safe_tac now also use default claset.
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