Tue, 24 Jun 2014 08:19:22 +0200 blanchet given two one-liners, only show the best of the two
Tue, 24 Jun 2014 08:19:22 +0200 blanchet don't generate Isar proof skeleton for what amounts to a one-line proof
Tue, 24 Jun 2014 08:19:22 +0200 blanchet don't accidentally transform 'show' into 'obtains' (in general, more 'obtain's could be turned into 'have's, but this is not necessary for the correctness of the proof)
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