unordered pair

set having two elements a and b with no particular relation between them

Wikidata entity: Q1477744



P2820 cardinality of this set ... Q200 (???) ???
P2534 defining formula Math {a,b} ???
P1889 different from ... Q191290 (ordered pair) ordered pair
P1889 different from ... Q29431432 (dyad) dyad
P155 follows ... Q1165112 (singleton) singleton
P828 has cause ... Q920796 (axiom of pairing) axiom of pairing
P6104 maintained by WikiProject ... Q8487137 (WikiProject Mathematics) WikiProject Mathematics
P460 said to be the same as ... Q29431432 (dyad) dyad
P279 subclass of ... Q43851442 (unordered 𝑛-tuple) unordered 𝑛-tuple
P279 subclass of ... Q135268494 (group of 2) group of 2

External Ids
P646Freebase ID/m/0471jg
P2812MathWorld IDPair
P12888Metamath statement IDdf-pr
P6366Microsoft Academic ID (discontinued)54373215
P4215nLab IDunordered pair

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log id: 2811801