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A One-Sentence Proof That √2 Is Irrational
by David M. Bloom
This article originally appeared in:Mathemtics Magazine
October, 1995
Subject classification(s): Irrational Numbers | Number Concepts | Numbers and Computation
Applicable Course(s): 4.1 Introduction to Proofs | 3.7 Discrete Math | 2.1 College Algebra
This is an algebraic version of geometric argument given by Eves that the √2 is irrational.
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