Negation as failure

Negation as failure - non-monotonic inference rule implying that the impossibility to derive a statement allows to infer its negation. Article “Negation as failure” in English Wikipedia has 16.9 points for quality (as of July 1, 2025). The article contains 3 references and 7 sections.

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 “Negation as failure”, its content was written by 39 registered users of English Wikipedia and edited by 93 registered Wikipedia users in all languages.

The article is cited 36 times in English Wikipedia and cited 94 times in all languages.

The highest Authors Interest rank from 2001:

• Local (English): #79966 in January 2007
• Global: #97529 in December 2011

The highest popularity rank from 2008:

• Local (English): #508184 in October 2010
• Global: #559058 in February 2008

There are 10 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) Negation as failure		16.866
2	Italian (it) Negazione come fallimento		12.3836
3	Portuguese (pt) Negação por falha		11.56
4	Ukrainian (uk) Заперечення як відмова		11.1879
5	French (fr) Négation par l'échec		10.6024
6	Korean (ko) 부정 허위 가정		9.3182
7	Dutch (nl) Negatie als falen		9.0305
8	Japanese (ja) 失敗による否定		4.438
9	German (de) Schwache Negation		2.2703
10	Chinese (zh) 否定为失败		2.0863

More...

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

The most popular language versions of the article "Negation as failure" in all the time

#	Language	Popularity award	Relative popularity
1	English (en) Negation as failure		148 340
2	Japanese (ja) 失敗による否定		18 026
3	French (fr) Négation par l'échec		12 032
4	Portuguese (pt) Negação por falha		8 407
5	Chinese (zh) 否定为失败		5 904
6	German (de) Schwache Negation		5 823
7	Dutch (nl) Negatie als falen		5 579
8	Italian (it) Negazione come fallimento		2 737
9	Ukrainian (uk) Заперечення як відмова		1 385
10	Korean (ko) 부정 허위 가정		47

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 "Negation as failure" in June 2025

#	Language	Popularity award	Relative popularity
1	English (en) Negation as failure		489
2	Chinese (zh) 否定为失败		41
3	Italian (it) Negazione come fallimento		32
4	French (fr) Négation par l'échec		31
5	Japanese (ja) 失敗による否定		31
6	German (de) Schwache Negation		17
7	Portuguese (pt) Negação por falha		12
8	Korean (ko) 부정 허위 가정		8
9	Ukrainian (uk) Заперечення як відмова		6
10	Dutch (nl) Negatie als falen		3

More...

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

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

#	Language	AI award	Relative AI
1	English (en) Negation as failure		39
2	French (fr) Négation par l'échec		12
3	Dutch (nl) Negatie als falen		11
4	German (de) Schwache Negation		8
5	Japanese (ja) 失敗による否定		6
6	Portuguese (pt) Negação por falha		6
7	Italian (it) Negazione come fallimento		5
8	Chinese (zh) 否定为失败		3
9	Ukrainian (uk) Заперечення як відмова		2
10	Korean (ko) 부정 허위 가정		1

More...

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

Language versions of the article "Negation as failure" with the highest AI in June 2025

#	Language	AI award	Relative AI
1	German (de) Schwache Negation		0
2	English (en) Negation as failure		0
3	French (fr) Négation par l'échec		0
4	Italian (it) Negazione come fallimento		0
5	Japanese (ja) 失敗による否定		0
6	Korean (ko) 부정 허위 가정		0
7	Dutch (nl) Negatie als falen		0
8	Portuguese (pt) Negação por falha		0
9	Ukrainian (uk) Заперечення як відмова		0
10	Chinese (zh) 否定为失败		0

More...

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

Language versions of the article "Negation as failure" with the highest Citation Index (CI)

#	Language	CI award	Relative CI
1	English (en) Negation as failure		36
2	Italian (it) Negazione come fallimento		10
3	French (fr) Négation par l'échec		9
4	Ukrainian (uk) Заперечення як відмова		9
5	Portuguese (pt) Negação por falha		8
6	Japanese (ja) 失敗による否定		7
7	Chinese (zh) 否定为失败		6
8	Dutch (nl) Negatie als falen		5
9	German (de) Schwache Negation		2
10	Korean (ko) 부정 허위 가정		2

More...

#	Language	Value
de	German Schwache Negation
en	English Negation as failure
fr	French Négation par l'échec
it	Italian Negazione come fallimento
ja	Japanese 失敗による否定
ko	Korean 부정 허위 가정
nl	Dutch Negatie als falen
pt	Portuguese Negação por falha
uk	Ukrainian Заперечення як відмова
zh	Chinese 否定为失败

Best Rank

English: #508184 10.2010

Global: #559058 02.2008

Best Rank

English: #79966 01.2007

Global: #97529 12.2011

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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