English

(Avoiding) Proof by Contradiction: $\sqrt{2}$ is Not Rational

History and Overview 2020-05-11 v1

Abstract

We provide an alternative proof that 2\sqrt{2} is irrational that does not begin with the assumption that 2\sqrt{2} is in fact rational.

Cite

@article{arxiv.2005.03878,
  title  = {(Avoiding) Proof by Contradiction: $\sqrt{2}$ is Not Rational},
  author = {C. E. Larson},
  journal= {arXiv preprint arXiv:2005.03878},
  year   = {2020}
}
R2 v1 2026-06-23T15:24:00.569Z