Sun, 06 Nov 2005 00:22:03 +0100 huffman add proof of Bekic's theorem: fix_cprod
Sat, 05 Nov 2005 21:56:45 +0100 huffman simplify definitions
Sat, 05 Nov 2005 21:52:13 +0100 huffman put iterate and fix in separate sections; added Letrec
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