Wed, 28 Nov 2012 12:25:43 +0100 smolkas adapted sledgehammer warnings
Wed, 28 Nov 2012 12:25:43 +0100 smolkas fixed case split preplaying
Wed, 28 Nov 2012 12:25:43 +0100 smolkas fixed preplaying of case splits; incorperated new name of structure: Isabelle_Markup -> Markup
Wed, 28 Nov 2012 12:25:43 +0100 smolkas preplay case splits
Wed, 28 Nov 2012 12:25:43 +0100 smolkas added warning when shrinking proof without preplaying
Wed, 28 Nov 2012 12:25:43 +0100 smolkas deal with the case that metis does not time out, but fails instead
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