ordered pair (Q1186)

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pair of mathematical objects; tuple of specific length (tuple length n=2)

(a, b)
couple
double
pair
2-tuple

In more languages

Language	Label	Description	Also known as
English	ordered pair	pair of mathematical objects; tuple of specific length (tuple length n=2)	(a, b) couple double pair 2-tuple

All entered languages

Statements

Q191290

/m/05lr1

Freebase Data Dumps

publication date

28 October 2013

cardinality of this set

Elementi di teoria degli insiemi

9 November 2017

Elementi di teoria degli insiemi

9 November 2017

defining formula

(a,b)=\{\{a\},\{a,b\}\}

discoverer or inventor

Kazimierz Kuratowski

time of discovery or invention

1921

Elementi di teoria degli insiemi

9 November 2017

(a_{1},b_{1})=(a_{2},b_{2})\quad \Leftrightarrow \quad a_{1}=a_{2}{\text{ and }}b_{1}=b_{2}

(a,b):=\{\{\{a\},\,\emptyset \},\,\{\{b\}\}\}

discoverer or inventor

time of discovery or invention

1914

(a,b):=\{\{a,1\},\{b,2\}\}

discoverer or inventor

Felix Hausdorff

time of discovery or invention

1914

has characteristic

ordered-pairs

binary relation

Elementi di teoria degli insiemi

9 November 2017

OrderedPair

133717

Encyclopædia Britannica Online ID

topic/ordered-pair

subject named as

ordered pair

Ordered Pair Example.svg
500 × 500; 4 KB

00012597n

Microsoft Academic ID

206106527

has characteristic

ordered pair

described by source

ISO 80000-2:2019 Quantities and units — Part 2: Mathematics

section, verse, paragraph, or clause

2-6.14

subject named as

ordered pair a, b

couple a, b

Metamath statement ID

df-op

Sitelinks

⧼wikibase-sitelinks-mathematics⧽(0 entries)

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