Fri, 20 Jun 2008 17:58:16 +0200 huffman tuned
Fri, 20 Jun 2008 17:56:00 +0200 huffman replace less_lift with flat_less_iff
Fri, 20 Jun 2008 17:43:16 +0200 huffman tweak lemmas adm_all and adm_ball
Thu, 19 Jun 2008 22:50:58 +0200 huffman move lemmas into locales;
Thu, 19 Jun 2008 22:43:59 +0200 huffman add lemmas take_chain_less and take_chain_le
Thu, 19 Jun 2008 22:27:10 +0200 wenzelm disposed Sign.read_typ etc;
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