Maths and Stats by Email | Four colour problem

Maths and Stats by Email | Four colour problem: "The passing of a mathematical maverick  
   

On 19 April 2013, a pioneer of mathematics passed away. Kenneth Appel’s most famous work involved a new and controversial way of doing mathematics – using a computer.

Mathematics is based on proofs. A proof is a train of thought showing something is definitely true – or definitely false. When you read a proof and understand it, you’ll know the author’s reasoning, and see why they are correct."  Read more and try the four colour problem!

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