File:4CT Non-Counterexample 1.svg

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4CT_Non-Counterexample_1.svg‎ (SVG file, nominally 201 × 200 pixels, file size: 3 KB)

Description

Diagram showing a false disproof of the this four Colour Theorem.
Date

16 February 2007(2007-02-16)
Source

Based on a this raster image by Dmharvey on en.wikipedia.
Author

Inductiveload
Permission
(Reusing this image)
PD-icon.svg This image has been released into the public domain by its author, Dmharvey. This applies worldwide.

In some countries this may not be legally possible; if so:
Dmharvey grants anyone the right to use this work for any purpose, without any conditions, unless such conditions are required by law.

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Other versions

Raster image

The refutation of this false disproof

File history

Click on a date/time to view the file as it appeared at that time.

Date/TimeThumbnailDimensionsUserComment
current05:04, 16 February 2007Thumbnail for version as of 05:04, 16 February 2007201×200 (3 KB)Inductiveload (Talk | contribs) ({{Information |Description=Diagram showing a false disproof of the this four Colour Theorem. |Source=Based on a [http://en.wikipedia.org/wiki/Image:4ct-non-counterexample.png this raster image]] by [http://en.wikipedia.org/wiki/u)
05:04, 16 February 2007Thumbnail for version as of 05:04, 16 February 2007201×200 (3 KB)Inductiveload (Talk | contribs) ({{Information |Description=Diagram showing a false disproof of the this four Colour Theorem. |Source=Based on a [http://en.wikipedia.org/wiki/Image:4ct-non-counterexample.png this raster image]] by [http://en.wikipedia.org/wiki/u)

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