All corrections
LessWrong May 27, 2026 at 06:28 PM

www.lesswrong.com/posts/NaBjcvMqAY3KhK9Bg/pythagorean-addition

1 correction found

1
Claim
Replacing Square Roots by Pythagorean Sums; Moler & Morrison; IBM Journal of Research and Development; 1981.
Correction

The cited IBM Journal paper was published in 1983, not 1981.

Full reasoning

This bibliographic note gives the wrong publication year. Independent bibliographic listings for "Replacing Square Roots by Pythagorean Sums" identify it as appearing in IBM Journal of Research and Development, volume 27, issue 6, pages 577–581, November 1983.

So the paper itself is real, but the year in the post should be corrected from 1981 to 1983.

2 sources
Model: OPENAI_GPT_5 Prompt: v1.16.0