Template:Did you know nominations/Handshaking lemma
- The following is an archived discussion of the DYK nomination of the article below. Please do not modify this page. Subsequent comments should be made on the appropriate discussion page (such as this nomination's talk page, the article's talk page or Wikipedia talk:Did you know), unless there is consensus to re-open the discussion at this page. No further edits should be made to this page.
The result was: promoted by Theleekycauldron (talk) 19:46, 19 November 2021 (UTC)
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Handshaking lemma
- ... that whenever some of the people in a party shake hands, the number of people who shake an odd number of other people's hands is even? Source: Hein 2015, "the number of guests who shook hands with an odd number of people is an even number"
- Reviewed: Aline Rocha
Improved to Good Article status by David Eppstein (talk). Self-nominated at 19:51, 15 November 2021 (UTC).
Promoted to GA recently on November 13, media usage looks fine, plagiarism free (Earwig says 3.8%), hook is properly sourced, and article seems thoroughly researched. This should be good to go. ɴᴋᴏɴ21 ❯❯❯ talk 23:32, 15 November 2021 (UTC)
