Wed, 13 Dec 2006 21:46:34 +0100 huffman remove use of FreeUltrafilterNat
Wed, 13 Dec 2006 21:25:56 +0100 huffman added lemmas about hRe, hIm, HComplex; removed all uses of star_n
Wed, 13 Dec 2006 20:38:24 +0100 haftmann fixed type
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