Community Mathematics Centre, CoMaC
(2015)
On proofs
without words …a thousand words?
At Right Angles, 4 (1).
pp. 7-10.
ISSN 2582-1873
Abstract
A “proof without words” sounds like a contradiction in terms!
How can you prove something if you are not permitted the use
of any words? In spite of the seeming absurdity of the idea, the
notion of a proof without words — generally shortened to PWW
— has acquired great popularity in mathematics in recent
decades, and every now and then we come across new, elegant
PWWs for old, familiar propositions. In this short article the
seemingly contradictory nature of a PWW is discussed, and
some examples of PWWs are presented.
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