A 2-pire Map
Wolfram Demonstrations Project · 2008
The four-color map theorem states that any map can be colored with four colors so that no two neighboring regions share a color. For a proof that four colors are necessary consider a tetrahedron. If the faces are numbered 1 to 4 any two of these faces touch each other.Some countries such as the United States consist of more than one region. On a world map Alaska Hawaii and the 48 states sho;