Do four colors really suffice? Suppose this map shows the provinces of a country. peculiarity of this country is that it has one province comprised of two separate pieces the striped regions. Thus when coloring this map, a cartographer must use the same color on these two separate pieces. Is it possible to complete the coloring using only four colors? Does this suggest a need to clarify the Four Color Theorem?

Do four colors really suffice? Suppose this map shows the provinces of a country. peculiarity of this country is that it has one province comprised of two separate pieces the striped regions. Thus when coloring this map, a cartographer must use the same color on these two separate pieces. Is it possible to complete the coloring using only four colors? Does this suggest a need to clarify the Four Color Theorem?

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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Concept explainers

Engineering Drawing

Technical drawing has been around since ancient times. As in the ancient Renaissance, complicated drawings were created, including Leonardo da Vinci's drawing. Modern engineering drawing, including its specific orthographic projection with scale conventions, began in Europe (France) during the early stages of Industrialization. L.T. C. Rolt also made some of Marc's drawings for its block-making machinery (in 1799) that also may have contributed significantly to British engineering technology. Since he learned the art of presenting three-dimensional(3D) items in a two-dimensional(2D) plane, as we now term mechanical drawing. 

Question

30. Do four colors really suffice? Suppose this map shows the provinces of a country. A
peculiarity of this country is that it has one province comprised of two separate pieces,
the striped regions. Thus when coloring this map, a cartographer must use the same
color on these two separate pieces. Is it possible to complete the coloring using only
four colors? Does this suggest a need to clarify the Four Color Theorem?

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