Fri, 25 Jun 2010 07:19:21 +0200 haftmann merged
Thu, 24 Jun 2010 21:04:35 +0200 haftmann more direct definition simplifies proofs
Thu, 24 Jun 2010 21:03:32 +0200 haftmann merged
Thu, 24 Jun 2010 18:45:31 +0200 haftmann more precise tactic: do not escape to a different goal branch (REPEAT is still problematic, though)
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