Tue, 23 Feb 2010 11:14:09 -0800 huffman adapt to changes in simpset
Tue, 23 Feb 2010 10:37:25 -0800 huffman moved some lemmas from RealPow to RealDef; changed orientation of real_of_int_power
Tue, 23 Feb 2010 07:45:54 -0800 huffman move float syntax from RealPow to Rational
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