Talk:Mathematics/Notable theorems and conjectures

Notable theorems and conjectures

 * Put one theorem or conjecture in each section.
 * The section name is the name of the theorem.
 * A theorem or conjecture is notable if it should be described in the article.
 * Include a description, references, and reasons why it is notable.

Description
For a right triangle with legs $$a$$ and $$b$$ and hypotenuse $$c$$, $$a^2+b^2==c^2$$.

Notability

 * Dates to ancient Greece
 * Commonly taught in school
 * Used in practical applications such as carpentry

Description
Four color theorem :)

Notability

 * Does not date back to ancient greece :)
 * It has interesting history, false conjectures and such.
 * Also, the use of the Coq proof assistant in 2004 is notable.
 * Finally, it is very easy to understand, and it might surprise the lay person that mathematics has anything to say about coloring maps.