Introduction to the Proof a Day Week

Yesterday an article titled Proof that √2 is Irrational was published. This is first article in the Proof a Day Week series. Everyday this week (Oct. 18 to Oct. 24) there will be a different mathematical proof published. Enjoy.

Niven’s proof that π is irrational: http://projecteuclid.org/download/pdf_1/euclid.bams/1183510788 

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