Fri, 09 Apr 2010 09:02:54 -0700 rewrite paragraph introducing equivariance, add citation to Pitts03
Brian Huffman <brianh@cs.pdx.edu> [Fri, 09 Apr 2010 09:02:54 -0700] rev 1799
rewrite paragraph introducing equivariance, add citation to Pitts03
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