Isabelle

Isabelle - higher-order logic (HOL) automated theorem prover. Article “Isabelle” in Portuguese Wikipedia has 15.9 points for quality (as of July 1, 2025). The article contains 6 references and 1 sections.

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

Since the creation of article “Isabelle”, its content was written by 15 registered users of Portuguese Wikipedia and edited by 173 registered Wikipedia users in all languages.

The article is cited 2 times in Portuguese Wikipedia and cited 199 times in all languages.

The highest Authors Interest rank from 2001:

• Local (Portuguese): #5475 in October 2022
• Global: #12166 in December 2002

The highest popularity rank from 2008:

• Local (Portuguese): #54170 in January 2025
• Global: #438019 in March 2011

There are 7 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) Isabelle (proof assistant)		30.6003
2	German (de) Isabelle (Theorembeweiser)		25.5607
3	Chinese (zh) Isabelle		22.9713
4	Russian (ru) Isabelle		21.219
5	Portuguese (pt) Isabelle		15.9409
6	Spanish (es) Isabelle		3.8839
7	French (fr) Isabelle (logiciel)		1.873

More...

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

The most popular language versions of the article "Isabelle" in all the time

#	Language	Popularity award	Relative popularity
1	English (en) Isabelle (proof assistant)		358 489
2	German (de) Isabelle (Theorembeweiser)		38 146
3	Spanish (es) Isabelle		16 994
4	French (fr) Isabelle (logiciel)		15 207
5	Portuguese (pt) Isabelle		12 778
6	Russian (ru) Isabelle		7 086
7	Chinese (zh) Isabelle		4 544

More...

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 "Isabelle" in June 2025

#	Language	Popularity award	Relative popularity
1	English (en) Isabelle (proof assistant)		1 812
2	Portuguese (pt) Isabelle		177
3	Russian (ru) Isabelle		123
4	Chinese (zh) Isabelle		99
5	German (de) Isabelle (Theorembeweiser)		66
6	French (fr) Isabelle (logiciel)		58
7	Spanish (es) Isabelle		30

More...

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

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

#	Language	AI award	Relative AI
1	English (en) Isabelle (proof assistant)		95
2	German (de) Isabelle (Theorembeweiser)		32
3	Portuguese (pt) Isabelle		15
4	French (fr) Isabelle (logiciel)		12
5	Spanish (es) Isabelle		8
6	Russian (ru) Isabelle		8
7	Chinese (zh) Isabelle		3

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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 "Isabelle" with the highest AI in June 2025

#	Language	AI award	Relative AI
1	German (de) Isabelle (Theorembeweiser)		0
2	English (en) Isabelle (proof assistant)		0
3	Spanish (es) Isabelle		0
4	French (fr) Isabelle (logiciel)		0
5	Portuguese (pt) Isabelle		0
6	Russian (ru) Isabelle		0
7	Chinese (zh) Isabelle		0

More...

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

Language versions of the article "Isabelle" with the highest Citation Index (CI)

#	Language	CI award	Relative CI
1	English (en) Isabelle (proof assistant)		158
2	French (fr) Isabelle (logiciel)		13
3	Spanish (es) Isabelle		11
4	German (de) Isabelle (Theorembeweiser)		6
5	Russian (ru) Isabelle		6
6	Chinese (zh) Isabelle		3
7	Portuguese (pt) Isabelle		2

More...

#	Language	Value
de	German Isabelle (Theorembeweiser)
en	English Isabelle (proof assistant)
es	Spanish Isabelle
fr	French Isabelle (logiciel)
pt	Portuguese Isabelle
ru	Russian Isabelle
zh	Chinese Isabelle

Best Rank

Portuguese: #54170 01.2025

Global: #438019 03.2011

Best Rank

Portuguese: #5475 10.2022

Global: #12166 12.2002

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In Portuguese Wikipedia the most popular articles on that day were: Michael B. Jordan, Oscar 2026, One Battle After Another, Pecadores (filme), Sean Penn, Paul Thomas Anderson, Jessie Buckley, Robert Redford, Roger Ibañez, O Agente Secreto.

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