Sun, 04 Sep 2011 10:05:52 -0700 huffman remove redundant lemmas expi_add and expi_zero
Sun, 04 Sep 2011 09:49:45 -0700 huffman remove redundant lemmas about LIMSEQ
Sun, 04 Sep 2011 07:15:13 -0700 huffman introduce abbreviation 'int' earlier in Int.thy
Sun, 04 Sep 2011 06:56:10 -0700 huffman remove unused assumptions from natceiling lemmas
Sun, 04 Sep 2011 06:27:59 -0700 huffman move lemmas nat_le_iff and nat_mono into Int.thy
Sun, 04 Sep 2011 19:36:19 +0200 wenzelm eliminated markup for plain identifiers (frequent but insignificant);
Sun, 04 Sep 2011 19:12:06 +0200 wenzelm simplified signatures;
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