Fri, 09 Apr 2010 08:16:08 -0700 Brian Huffman edit 'contributions' section so we do not just quote directly from the reviewer
Fri, 09 Apr 2010 11:08:05 +0200 Christian Urban renamed ExLam to Lambda and completed the proof of the strong ind principle; tuned paper
Thu, 08 Apr 2010 14:18:38 +0200 Christian Urban clarified comment about distinct lists in th efuture work section
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