File:4CT Non-Counterexample 1.svg

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Description

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

Date

16 February 2007

Source

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

Author

Inductiveload

Permission
( Reusing this file)

This work 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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