Negation normal form

en

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Negation normal form

Quality:

Negation normal form - term. Article "Negation normal form" in English Wikipedia has 16.7 points for quality (as of July 1, 2025). The article contains 1 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 language version.

Since the creation of article "Negation normal form", its content was written by 40 registered users of English Wikipedia and edited by 95 registered Wikipedia users in all languages.

The article is cited 27 times in English Wikipedia and cited 125 times in all languages.

The highest Authors Interest rank from 2001:

  • Local (English): #89048 in May 2005
  • Global: #42420 in March 2004

The highest popularity rank from 2008:

  • Local (English): #574129 in December 2021
  • Global: #691230 in November 2009

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.

Languages with the highest quality

#LanguageQuality gradeQuality score
1English (en)
Negation normal form
16.6908
2Italian (it)
Forma normale negativa
9.8606
3Dutch (nl)
Negatie-normaalvorm
8.2091
4Catalan (ca)
Forma normal negativa
4.6323
5French (fr)
Forme normale négative
3.7197
6Spanish (es)
Forma normal negativa
3.2807
7Ukrainian (uk)
Заперечення нормальної форми
3.2541
8German (de)
Negationsnormalform
2.5121
9Portuguese (pt)
Forma normal da negação
1.6195
10Serbian (sr)
Негацијска нормална форма
1.0714
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 "Negation normal form" in all the time
#LanguagePopularity awardRelative popularity
1English (en)
Negation normal form
151 291
2German (de)
Negationsnormalform
54 166
3Japanese (ja)
否定標準形
11 166
4Spanish (es)
Forma normal negativa
10 599
5Portuguese (pt)
Forma normal da negação
6 173
6French (fr)
Forme normale négative
5 356
7Italian (it)
Forma normale negativa
1 924
8Serbian (sr)
Негацијска нормална форма
1 344
9Ukrainian (uk)
Заперечення нормальної форми
829
10Catalan (ca)
Forma normal negativa
605
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 "Negation normal form" in June 2025
#LanguagePopularity awardRelative popularity
1English (en)
Negation normal form
512
2German (de)
Negationsnormalform
108
3French (fr)
Forme normale négative
40
4Ukrainian (uk)
Заперечення нормальної форми
33
5Italian (it)
Forma normale negativa
22
6Japanese (ja)
否定標準形
22
7Spanish (es)
Forma normal negativa
16
8Catalan (ca)
Forma normal negativa
13
9Dutch (nl)
Negatie-normaalvorm
7
10Portuguese (pt)
Forma normal da negação
6
More...

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

The highest AI

Language versions of the article "Negation normal form" with the highest Authors Interest (number of authors). Only registered Wikipedia users were taken into account.
#LanguageAI awardRelative AI
1English (en)
Negation normal form
40
2German (de)
Negationsnormalform
21
3Portuguese (pt)
Forma normal da negação
9
4Ukrainian (uk)
Заперечення нормальної форми
5
5Japanese (ja)
否定標準形
4
6Dutch (nl)
Negatie-normaalvorm
4
7French (fr)
Forme normale négative
3
8Italian (it)
Forma normale negativa
3
9Catalan (ca)
Forma normal negativa
2
10Spanish (es)
Forma normal negativa
2
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 "Negation normal form" with the highest AI in June 2025
#LanguageAI awardRelative AI
1Catalan (ca)
Forma normal negativa
0
2German (de)
Negationsnormalform
0
3English (en)
Negation normal form
0
4Spanish (es)
Forma normal negativa
0
5French (fr)
Forme normale négative
0
6Italian (it)
Forma normale negativa
0
7Japanese (ja)
否定標準形
0
8Dutch (nl)
Negatie-normaalvorm
0
9Portuguese (pt)
Forma normal da negação
0
10Serbian (sr)
Негацијска нормална форма
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 "Negation normal form" with the highest Citation Index (CI)
#LanguageCI awardRelative CI
1Japanese (ja)
否定標準形
61
2English (en)
Negation normal form
27
3German (de)
Negationsnormalform
7
4French (fr)
Forme normale négative
7
5Spanish (es)
Forma normal negativa
5
6Italian (it)
Forma normale negativa
5
7Portuguese (pt)
Forma normal da negação
5
8Serbian (sr)
Негацијска нормална форма
4
9Catalan (ca)
Forma normal negativa
2
10Dutch (nl)
Negatie-normaalvorm
1
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
caCatalan
Forma normal negativa
deGerman
Negationsnormalform
enEnglish
Negation normal form
esSpanish
Forma normal negativa
frFrench
Forme normale négative
itItalian
Forma normale negativa
jaJapanese
否定標準形
nlDutch
Negatie-normaalvorm
ptPortuguese
Forma normal da negação
srSerbian
Негацијска нормална форма
ukUkrainian
Заперечення нормальної форми

Popularity rank trends

Best Rank English:
#574129
12.2021
Global:
#691230
11.2009

AI rank trends

Best Rank English:
#89048
05.2005
Global:
#42420
03.2004

Languages comparison

Important global interconnections (July 2024 – June 2025)

Wikipedia readers most often find their way to information on Negation normal form from Wikipedia articles about Binary decision diagram, Algebraic normal form, NNF, Conjunctive normal form and Disjunctive normal form. Whereas reading the article about Negation normal form people most often go to Wikipedia articles on Conjunctive normal form, Disjunctive normal form, Canonical form, De Morgans laws and Rewriting.

Cumulative results of quality and popularity of the Wikipedia article

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

News from 12 August 2025

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In English Wikipedia the most popular articles on that day were: Weapons (2025 film), Danielle Spencer (American actress), Cristiano Ronaldo, Deaths in 2025, Taylor Swift, Wednesday (TV series), Superman (2025 film), Georgina Rodríguez, Coolie (2025 film), The Fantastic Four: First Steps.

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