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File:Couturat 1914 and Venn assignments1.jpg

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Summary

Description
English: A drawing done by me plus the photo drawing from Couturat 1914:74. Couturat-image derived from download of Couturat 1914 from googlebooks, i.e. Couturat is in the public domain.
Date 16:31, 21 November 2009 (UTC)
Source wvbailey + Couturat 1914:74
Author wvbailey + Couturat
Permission
(Reusing this file)
public domain

Licensing

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Public domain
This media file is in the public domain in the United States. This applies to U.S. works where the copyright has expired, often because its first publication occurred prior to January 1, 1929, and if not then due to lack of notice or renewal. See this page for further explanation.

United States
United States
This image might not be in the public domain outside of the United States; this especially applies in the countries and areas that do not apply the rule of the shorter term for US works, such as Canada, Mainland China (not Hong Kong or Macao), Germany, Mexico, and Switzerland. The creator and year of publication are essential information and must be provided. See Wikipedia:Public domain and Wikipedia:Copyrights for more details.

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8fd4d9d0157697fd957211a07a1d6295d3ae2154

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Date/TimeThumbnailDimensionsUserComment
current17:43, 21 November 2009Thumbnail for version as of 17:43, 21 November 20091,700 × 800 (96 KB)Wvbailey{{Information |Description = shaded parts of the diagram |Source = |Date = ~~~~~ |Author = wvbailey + Couturat |Permission = |other_versions = }}
17:36, 21 November 2009Thumbnail for version as of 17:36, 21 November 20091,700 × 800 (96 KB)Wvbailey{{Information |Description = added shading |Source = |Date = ~~~~~ |Author = wvbailey + Couterat |Permission = |other_versions = yes }}
16:31, 21 November 2009Thumbnail for version as of 16:31, 21 November 20091,700 × 800 (97 KB)Wvbailey{{Information |Description = A drawing done by me plus the photo drawing from Couturat 1914:74. Couturat-image derived from download of Couturat 1914 from googlebooks, i.e. Couturat is in the public domain. |Source = wvbailey + Couturat 1914:

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