Fri, 27 May 2005 00:24:02 +0200 huffman Use TypedefPcpo theorem for po instance
Fri, 27 May 2005 00:16:18 +0200 huffman use thelub_const lemma
Fri, 27 May 2005 00:15:24 +0200 huffman added lemma thelub_const
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