isabelle: Changelog

huffman [Mon, 16 Feb 2009 19:35:52 -0800] rev 29947

tune section headings; add square function

huffman [Mon, 16 Feb 2009 13:42:45 -0800] rev 29946

merged

huffman [Mon, 16 Feb 2009 13:42:15 -0800] rev 29945

rearrange subsections

huffman [Mon, 16 Feb 2009 13:14:36 -0800] rev 29944

remove instances num::semiring and num::linorder

huffman [Mon, 16 Feb 2009 13:08:21 -0800] rev 29943

datatype num = One | Dig0 num | Dig1 num

huffman [Mon, 16 Feb 2009 12:53:59 -0800] rev 29942

replace 1::num with One; remove monoid_mult instance

huffman [Sun, 15 Feb 2009 19:53:20 -0800] rev 29941

replace dec with double-and-decrement function

haftmann [Mon, 16 Feb 2009 19:11:55 +0100] rev 29940

more default simp rules for sgn

haftmann [Mon, 16 Feb 2009 19:11:35 +0100] rev 29939

re-generated

haftmann [Mon, 16 Feb 2009 19:11:16 +0100] rev 29938

clarified import

isabelle