Wikidata entity: Q1477744
| P2820 | cardinality of this set | ... | Q200 (???) | ??? |
| P2534 | defining formula | Math | ??? | |
| 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 |
| P646 | Freebase ID | /m/0471jg |
| P2812 | MathWorld ID | Pair |
| P12888 | Metamath statement ID | df-pr |
| P6366 | Microsoft Academic ID (discontinued) | 54373215 |
| P4215 | nLab ID | unordered pair |
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log id: 2811801