Lemma di Zorn

Zorn's lemma - statement equivalent to the axiom of choice, about the existence of a maximal element in a poset with a maximal chain condition. Article “Lemma di Zorn” in Italian Wikipedia has 8.7 points for quality (as of July 1, 2025). The article contains 0 references and 8 sections.

This article has the best quality in English Wikipedia. Also, this article is the most popular in that (Italian) language version.

Since the creation of article “Lemma di Zorn”, its content was written by 41 registered users of Italian Wikipedia and edited by 705 registered Wikipedia users in all languages.

The article is cited 63 times in Italian Wikipedia and cited 1194 times in all languages.

The highest Authors Interest rank from 2001:

• Local (Italian): #3080 in February 2005
• Global: #515 in December 2001

The highest popularity rank from 2008:

• Local (Italian): #59823 in January 2008
• Global: #80791 in March 2009

There are 31 language versions for this article in the WikiRank database (of the considered 55 Wikipedia language editions).

The quality and popularity assessment was based on Wikipédia dumps from July 1, 2025 (including revision history and pageviews for previous years).

The table below shows the language versions of the article with the highest quality.

#	Language	Quality grade	Quality score
1	English (en) Zorn's lemma		48.3399
2	French (fr) Lemme de Zorn		39.8882
3	Thai (th) บทตั้งของซอร์น		31.7998
4	Indonesian (id) Lema Zorn		27.101
5	Galician (gl) Lema de Zorn		26.0581
6	German (de) Lemma von Zorn		25.9581
7	Croatian (hr) Kuratowski-Zornova lema		22.2906
8	Estonian (et) Zorni lemma		20.0253
9	Polish (pl) Lemat Kuratowskiego-Zorna		17.6716
10	Catalan (ca) Lema de Zorn		17.2058

More...

The following table shows the most popular language versions of the article.

The most popular language versions of the article "Lemma di Zorn" in all the time

#	Language	Popularity award	Relative popularity
1	English (en) Zorn's lemma		1 183 402
2	German (de) Lemma von Zorn		249 062
3	French (fr) Lemme de Zorn		186 094
4	Japanese (ja) ツォルンの補題		152 914
5	Spanish (es) Lema de Zorn		119 595
6	Italian (it) Lemma di Zorn		112 302
7	Russian (ru) Лемма Цорна		100 474
8	Polish (pl) Lemat Kuratowskiego-Zorna		98 058
9	Chinese (zh) 佐恩引理		57 523
10	Hebrew (he) הלמה של צורן		52 018

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The following table shows the language versions of the article with the highest popularity in the last month.

The most popular language versions of the article "Lemma di Zorn" in June 2025

#	Language	Popularity award	Relative popularity
1	English (en) Zorn's lemma		6 398
2	Japanese (ja) ツォルンの補題		1 211
3	German (de) Lemma von Zorn		846
4	French (fr) Lemme de Zorn		742
5	Russian (ru) Лемма Цорна		730
6	Italian (it) Lemma di Zorn		467
7	Spanish (es) Lema de Zorn		453
8	Polish (pl) Lemat Kuratowskiego-Zorna		325
9	Chinese (zh) 佐恩引理		288
10	Korean (ko) 초른 보조정리		199

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The following table shows the language versions of the article with the highest Authors’ Interest.

Language versions of the article "Lemma di Zorn" with the highest Authors Interest (number of authors). Only registered Wikipedia users were taken into account.

#	Language	AI award	Relative AI
1	English (en) Zorn's lemma		157
2	French (fr) Lemme de Zorn		77
3	German (de) Lemma von Zorn		63
4	Italian (it) Lemma di Zorn		41
5	Japanese (ja) ツォルンの補題		37
6	Hebrew (he) הלמה של צורן		33
7	Polish (pl) Lemat Kuratowskiego-Zorna		33
8	Spanish (es) Lema de Zorn		31
9	Hungarian (hu) Zorn-lemma		29
10	Russian (ru) Лемма Цорна		29

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The following table shows the language versions of the article with the highest Authors’ Interest in the last month.

Language versions of the article "Lemma di Zorn" with the highest AI in June 2025

#	Language	AI award	Relative AI
1	English (en) Zorn's lemma		2
2	French (fr) Lemme de Zorn		2
3	Persian (fa) لم زرن		1
4	Hebrew (he) הלמה של צורן		1
5	Catalan (ca) Lema de Zorn		0
6	Czech (cs) Princip maximality		0
7	German (de) Lemma von Zorn		0
8	Greek (el) Λήμμα του Τσορν		0
9	Spanish (es) Lema de Zorn		0
10	Estonian (et) Zorni lemma		0

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The following table shows the language versions of the article with the highest number of citations.

Language versions of the article "Lemma di Zorn" with the highest Citation Index (CI)

#	Language	CI award	Relative CI
1	English (en) Zorn's lemma		200
2	Korean (ko) 초른 보조정리		123
3	Japanese (ja) ツォルンの補題		107
4	Hebrew (he) הלמה של צורן		84
5	French (fr) Lemme de Zorn		80
6	Ukrainian (uk) Лема Цорна		76
7	Polish (pl) Lemat Kuratowskiego-Zorna		75
8	Italian (it) Lemma di Zorn		63
9	German (de) Lemma von Zorn		61
10	Chinese (zh) 佐恩引理		38

More...

#	Language	Value
ca	Catalan Lema de Zorn
cs	Czech Princip maximality
de	German Lemma von Zorn
el	Greek Λήμμα του Τσορν
en	English Zorn's lemma
es	Spanish Lema de Zorn
et	Estonian Zorni lemma
fa	Persian لم زرن
fi	Finnish Zornin lemma
fr	French Lemme de Zorn
gl	Galician Lema de Zorn
he	Hebrew הלמה של צורן
hr	Croatian Kuratowski-Zornova lema
hu	Hungarian Zorn-lemma
id	Indonesian Lema Zorn
it	Italian Lemma di Zorn
ja	Japanese ツォルンの補題
ka	Georgian ცორნის ლემა
ko	Korean 초른 보조정리
nl	Dutch Lemma van Zorn
pl	Polish Lemat Kuratowskiego-Zorna
pt	Portuguese Lema de Zorn
ro	Romanian Lema lui Zorn
ru	Russian Лемма Цорна
sl	Slovenian Zornova lema
sv	Swedish Zorns lemma
th	Thai บทตั้งของซอร์น
tr	Turkish Zorn lemması
uk	Ukrainian Лема Цорна
vi	Vietnamese Bổ đề Zorn
zh	Chinese 佐恩引理

Best Rank

Italian: #59823 01.2008

Global: #80791 03.2009

Best Rank

Italian: #3080 02.2005

Global: #515 12.2001

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The WikiRank project is intended for automatic relative evaluation of the articles in the various language versions of Wikipedia. At the moment the service allows to compare over 44 million Wikipedia articles in 55 languages. Quality scores of articles are based on Wikipedia dumps from July, 2025. When calculating current popularity and AI of articles data from June 2025 was taken into account. For historical values of popularity and AI WikiRank used data from 2001 to 2025... More information