File:George Boole.jpg

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George_Boole.jpg ‎（392 × 480 像素，檔案大細：185 KB ，MIME類型：image/jpeg）

摘要

描述 George Boole, mathematician, 1815-1864
日期 circa 1864/1865
來源 http://www.enezeus.com/blog/wp-content/uploads/2006/10/hacker1.jpg
作者 Haks
許可
(重用呢個檔案)		 1)Public domain (author died more than 84 years ago; 2) From the above web-page: "If you wish to use an image on another Web site, please feel free to so without any further permission."
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Public domain

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You must also include a United States public domain tag to indicate why this work is in the public domain in the United States. Note that a few countries have copyright terms longer than 70 years: Mexico has 100 years, Jamaica has 95 years, Colombia has 80 years, and Guatemala and Samoa have 75 years. This image may not be in the public domain in these countries, which moreover do not implement the rule of the shorter term. Honduras has a general copyright term of 75 years, but it does implement the rule of the shorter term. Copyright may extend on works created by French who died for France in World War II (more information), Russians who served in the Eastern Front of World War II (known as the Great Patriotic War in Russia) and posthumously rehabilitated victims of Soviet repressions (more information).

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現時2010年6月10號 (四) 22:41響2010年6月10號 (四) 22:41嘅縮圖版本392 × 480（185 KB）Rodhullandemu Better version of same image scanned from "Mathematical Circus", by Martin Gardner, published 1981. PD-old applies to this version as it applies to its predecessor.
2007年1月24號 (三) 23:31響2007年1月24號 (三) 23:31嘅縮圖版本359 × 352（37 KB）P.V.{{Information| |Description=George Boole, mathematic, 1815-1864 |Source=http://www.kerryr.net/pioneers/gallery/boole.htm |Date=about 1860 |Author=unknown |Permission=1)Public domain (author died more than 70 years ago; 2) From the above web-page: "If you

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