Second-order logic

Second-order logic - extension of first-order logic allowing quantification over functions and relations. Article "Second-order logic" in English Wikipedia has 38.1 points for quality (as of August 1, 2024). The article contains 9 references and 13 sections.

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

In July 2024 the article "Second-order logic" was edited by 1 authors in English Wikipedia and written by 2 authors in all languages.

Since the creation of article "Second-order logic", its content was written by 147 registered users of English Wikipedia and edited by 337 registered Wikipedia users in all languages.

The article is cited 446 times in English Wikipedia and cited 1289 times in all languages.

The highest Authors Interest rank from 2001:

• Local (English): #10750 in February 2005
• Global: #39364 in February 2005

The highest popularity rank from 2008:

• Local (English): #127518 in February 2008
• Global: #138813 in February 2008

There are 15 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 August 1, 2024 (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) Second-order logic		38.1319
2	German (de) Prädikatenlogik zweiter Stufe		36.8629
3	Chinese (zh) 二階邏輯		26.9621
4	Korean (ko) 2차 논리		22.347
5	Greek (el) Λογική δευτέρου βαθμού		22.3385
6	Polish (pl) Rachunek predykatów drugiego rzędu		20.0309
7	Catalan (ca) Lògica de segon ordre		19.6163
8	Portuguese (pt) Lógica de segunda ordem		15.2064
9	Spanish (es) Lógica de segundo orden		14.1661
10	Arabic (ar) منطق الرتبة الثانية		13.6422

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

The most popular language versions of the article "Second-order logic" in all the time

#	Language	Popularity award	Relative popularity
1	English (en) Second-order logic		1 032 131
2	Spanish (es) Lógica de segundo orden		144 764
3	Russian (ru) Логика второго порядка		125 937
4	Japanese (ja) 二階述語論理		93 285
5	German (de) Prädikatenlogik zweiter Stufe		76 160
6	Chinese (zh) 二階邏輯		74 205
7	Portuguese (pt) Lógica de segunda ordem		60 829
8	Hebrew (he) לוגיקה מסדר שני		15 553
9	Korean (ko) 2차 논리		13 579
10	Swedish (sv) Andra ordningens logik		13 183

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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 "Second-order logic" in July 2024

#	Language	Popularity award	Relative popularity
1	English (en) Second-order logic		4 773
2	Russian (ru) Логика второго порядка		529
3	Japanese (ja) 二階述語論理		488
4	Chinese (zh) 二階邏輯		409
5	Spanish (es) Lógica de segundo orden		403
6	German (de) Prädikatenlogik zweiter Stufe		376
7	Hebrew (he) לוגיקה מסדר שני		187
8	Portuguese (pt) Lógica de segunda ordem		182
9	Korean (ko) 2차 논리		109
10	Polish (pl) Rachunek predykatów drugiego rzędu		40

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

Language versions of the article "Second-order 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) Second-order logic		147
2	German (de) Prädikatenlogik zweiter Stufe		36
3	Russian (ru) Логика второго порядка		31
4	Chinese (zh) 二階邏輯		23
5	Spanish (es) Lógica de segundo orden		18
6	Japanese (ja) 二階述語論理		12
7	Portuguese (pt) Lógica de segunda ordem		12
8	Catalan (ca) Lògica de segon ordre		11
9	Hebrew (he) לוגיקה מסדר שני		10
10	Greek (el) Λογική δευτέρου βαθμού		8

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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 "Second-order logic" with the highest AI in July 2024

#	Language	AI award	Relative AI
1	English (en) Second-order logic		1
2	Japanese (ja) 二階述語論理		1
3	Arabic (ar) منطق الرتبة الثانية		0
4	Catalan (ca) Lògica de segon ordre		0
5	German (de) Prädikatenlogik zweiter Stufe		0
6	Greek (el) Λογική δευτέρου βαθμού		0
7	Spanish (es) Lógica de segundo orden		0
8	Hebrew (he) לוגיקה מסדר שני		0
9	Korean (ko) 2차 논리		0
10	Polish (pl) Rachunek predykatów drugiego rzędu		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 "Second-order logic" with the highest Citation Index (CI)

#	Language	CI award	Relative CI
1	English (en) Second-order logic		446
2	Portuguese (pt) Lógica de segunda ordem		189
3	Russian (ru) Логика второго порядка		106
4	Arabic (ar) منطق الرتبة الثانية		105
5	Japanese (ja) 二階述語論理		91
6	Chinese (zh) 二階邏輯		88
7	Ukrainian (uk) Логіка другого порядку		80
8	Korean (ko) 2차 논리		58
9	Spanish (es) Lógica de segundo orden		40
10	German (de) Prädikatenlogik zweiter Stufe		29

More...

#	Language	Value
ar	Arabic منطق الرتبة الثانية
ca	Catalan Lògica de segon ordre
de	German Prädikatenlogik zweiter Stufe
el	Greek Λογική δευτέρου βαθμού
en	English Second-order logic
es	Spanish Lógica de segundo orden
he	Hebrew לוגיקה מסדר שני
ja	Japanese 二階述語論理
ko	Korean 2차 논리
pl	Polish Rachunek predykatów drugiego rzędu
pt	Portuguese Lógica de segunda ordem
ru	Russian Логика второго порядка
sv	Swedish Andra ordningens logik
uk	Ukrainian Логіка другого порядку
zh	Chinese 二階邏輯

Best Rank

English: #127518 02.2008

Global: #138813 02.2008

Best Rank

English: #10750 02.2005

Global: #39364 02.2005

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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 August, 2024. When calculating current popularity and AI of articles data from July 2024 was taken into account. For historical values of popularity and AI WikiRank used data from 2001 to 2023... More information