Subclass (set theory)

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Subclass (set theory)

Quality:

Subclass - class whose elements are all elements of a given other class. Article “Subclass (set theory)” in English Wikipedia has 7.8 points for quality (as of July 1, 2025).

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

Since the creation of article “Subclass (set theory)”, its content was written by 17 registered users of English Wikipedia and edited by 25 registered Wikipedia users in all languages.

The article is cited 23 times in English Wikipedia and cited 30 times in all languages.

The highest Authors Interest rank from 2001:

  • Local (English): #172407 in February 2015
  • Global: #373924 in May 2005

The highest popularity rank from 2008:

  • Local (English): #345230 in January 2015
  • Global: #588801 in January 2015

There are 2 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.

Languages with the highest quality

#LanguageQuality gradeQuality score
1English (en)
Subclass (set theory)
7.8024
2Italian (it)
Sottoclasse (insiemistica)
1.4983
More...

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

Most popular in all the time

The most popular language versions of the article "Subclass (set theory)" in all the time
#LanguagePopularity awardRelative popularity
1English (en)
Subclass (set theory)
56 902
2Italian (it)
Sottoclasse (insiemistica)
11 035
More...

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

Most popular in June 2025

The most popular language versions of the article "Subclass (set theory)" in June 2025
#LanguagePopularity awardRelative popularity
1English (en)
Subclass (set theory)
547
2Italian (it)
Sottoclasse (insiemistica)
18
More...

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

The highest AI

Language versions of the article "Subclass (set theory)" with the highest Authors Interest (number of authors). Only registered Wikipedia users were taken into account.
#LanguageAI awardRelative AI
1English (en)
Subclass (set theory)
17
2Italian (it)
Sottoclasse (insiemistica)
8
More...

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

The highest AI in June 2025

Language versions of the article "Subclass (set theory)" with the highest AI in June 2025
#LanguageAI awardRelative AI
1English (en)
Subclass (set theory)
0
2Italian (it)
Sottoclasse (insiemistica)
0
More...

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

The highest CI

Language versions of the article "Subclass (set theory)" with the highest Citation Index (CI)
#LanguageCI awardRelative CI
1English (en)
Subclass (set theory)
23
2Italian (it)
Sottoclasse (insiemistica)
7
More...

Scores

Estimated value for Wikipedia:
English:
Global:
Popularity in June 2025:
English:
Global:
Popularity in all years:
English:
Global:
Authors in June 2025:
English:
Global:
Registered authors in all years:
English:
Global:
Citations:
English:
Global:

Quality measures

Interwikis

#LanguageValue
enEnglish
Subclass (set theory)
itItalian
Sottoclasse (insiemistica)

Popularity rank trends

Best Rank English:
#345230
01.2015
Global:
#588801
01.2015

AI rank trends

Best Rank English:
#172407
02.2015
Global:
#373924
05.2005

Languages comparison

Important global interconnections (July 2024 – June 2025)

Wikipedia readers most often find their way to information on Subclass from Wikipedia articles about Axiom schema of specification, Ring, Integral domain, Unique factorization domain and Principal ideal domain. Whereas reading the article about Subclass people most often go to Wikipedia articles on Class, Boolean algebra, Axiom schema of specification, Ideal and Ring.

Cumulative results of quality and popularity of the Wikipedia article

List of Wikipedia articles in different languages (starting with the most popular):

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In English Wikipedia the most popular articles on that day were: Ajit Pawar, Border 2, Sharad Pawar, Killing of Alex Pretti, Ilhan Omar, Sunetra Pawar, Todd Monken, Kristi Noem, Wonder Man (miniseries), Gregory Bovino.

About WikiRank

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