Common knowledge (logic)

Common knowledge - in a mathematical game, a statement that players know and also know that other players know (ad infinitum). Article “Common knowledge (logic)” in English Wikipedia has 27.4 points for quality (as of July 1, 2025). The article contains 6 references and 13 sections. The article also contains templates indicating quality issues, therefore its score was reduced by 3.04 points.

This article has the best quality in German Wikipedia. However, this article is the most popular in English version.

Since the creation of article “Common knowledge (logic)”, its content was written by 84 registered users of English Wikipedia and edited by 222 registered Wikipedia users in all languages.

The article is cited 38 times in English Wikipedia and cited 145 times in all languages.

The highest Authors Interest rank from 2001:

• Local (English): #28099 in December 2022
• Global: #63833 in March 2006

The highest popularity rank from 2008:

• Local (English): #88015 in October 2014
• Global: #141633 in February 2008

There are 11 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	German (de) Gemeinsames Wissen		38.7831
2	English (en) Common knowledge (logic)		27.3808
3	Portuguese (pt) Conhecimento comum (lógica)		17.4119
4	Italian (it) Conoscenza comune		15.4389
5	Russian (ru) Общее знание		11.5113
6	French (fr) Connaissance commune		11.3296
7	Japanese (ja) 共有知識		10.1759
8	Spanish (es) Conocimiento común		7.4761
9	Greek (el) Κοινή γνώση		5.5771
10	Dutch (nl) Gemeenschappelijke kennis		4.3602

More...

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

The most popular language versions of the article "Common knowledge (logic)" in all the time

#	Language	Popularity award	Relative popularity
1	English (en) Common knowledge (logic)		488 035
2	Japanese (ja) 共有知識		34 263
3	French (fr) Connaissance commune		28 616
4	Italian (it) Conoscenza comune		25 532
5	German (de) Gemeinsames Wissen		23 197
6	Russian (ru) Общее знание		20 081
7	Dutch (nl) Gemeenschappelijke kennis		10 831
8	Spanish (es) Conocimiento común		8 752
9	Hungarian (hu) Közös tudás (játékelmélet)		2 205
10	Greek (el) Κοινή γνώση		1 945

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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 "Common knowledge (logic)" in June 2025

#	Language	Popularity award	Relative popularity
1	English (en) Common knowledge (logic)		1 774
2	Japanese (ja) 共有知識		200
3	Italian (it) Conoscenza comune		154
4	German (de) Gemeinsames Wissen		54
5	Spanish (es) Conocimiento común		52
6	Russian (ru) Общее знание		52
7	French (fr) Connaissance commune		44
8	Hungarian (hu) Közös tudás (játékelmélet)		24
9	Dutch (nl) Gemeenschappelijke kennis		23
10	Greek (el) Κοινή γνώση		16

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

Language versions of the article "Common knowledge (logic)" with the highest Authors Interest (number of authors). Only registered Wikipedia users were taken into account.

#	Language	AI award	Relative AI
1	English (en) Common knowledge (logic)		84
2	French (fr) Connaissance commune		31
3	German (de) Gemeinsames Wissen		29
4	Russian (ru) Общее знание		26
5	Italian (it) Conoscenza comune		19
6	Hungarian (hu) Közös tudás (játékelmélet)		8
7	Dutch (nl) Gemeenschappelijke kennis		7
8	Spanish (es) Conocimiento común		6
9	Greek (el) Κοινή γνώση		5
10	Japanese (ja) 共有知識		5

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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 "Common knowledge (logic)" with the highest AI in June 2025

#	Language	AI award	Relative AI
1	Portuguese (pt) Conhecimento comum (lógica)		2
2	German (de) Gemeinsames Wissen		0
3	Greek (el) Κοινή γνώση		0
4	English (en) Common knowledge (logic)		0
5	Spanish (es) Conocimiento común		0
6	French (fr) Connaissance commune		0
7	Hungarian (hu) Közös tudás (játékelmélet)		0
8	Italian (it) Conoscenza comune		0
9	Japanese (ja) 共有知識		0
10	Dutch (nl) Gemeenschappelijke kennis		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 "Common knowledge (logic)" with the highest Citation Index (CI)

#	Language	CI award	Relative CI
1	Russian (ru) Общее знание		67
2	English (en) Common knowledge (logic)		38
3	French (fr) Connaissance commune		11
4	German (de) Gemeinsames Wissen		9
5	Italian (it) Conoscenza comune		6
6	Dutch (nl) Gemeenschappelijke kennis		6
7	Japanese (ja) 共有知識		5
8	Spanish (es) Conocimiento común		2
9	Hungarian (hu) Közös tudás (játékelmélet)		1
10	Greek (el) Κοινή γνώση		0

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#	Language	Value
de	German Gemeinsames Wissen
el	Greek Κοινή γνώση
en	English Common knowledge (logic)
es	Spanish Conocimiento común
fr	French Connaissance commune
hu	Hungarian Közös tudás (játékelmélet)
it	Italian Conoscenza comune
ja	Japanese 共有知識
nl	Dutch Gemeenschappelijke kennis
pt	Portuguese Conhecimento comum (lógica)
ru	Russian Общее знание

Best Rank

English: #88015 10.2014

Global: #141633 02.2008

Best Rank

English: #28099 12.2022

Global: #63833 03.2006

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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