Mon, 19 Apr 2010 15:21:35 +0200 blanchet cosmetics
Mon, 19 Apr 2010 15:15:21 +0200 blanchet make Sledgehammer's minimizer also minimize Isar proofs
Mon, 19 Apr 2010 11:54:07 +0200 blanchet don't use readable names if proof reconstruction is needed, because it uses the structure of names
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