| P2820 | cardinality of this set | ... | Q22952648 (cardinality of the continuum) | cardinality of the continuum |
| P61 | discoverer or inventor | ... | Q11887 (William Rowan Hamilton) | William Rowan Hamilton |
| P527 | has part(s) | ... | Q26851286 (set of complex numbers) | set of complex numbers |
| P2670 | has part(s) of the class | ... | Q173853 (quaternion) | quaternion |
| P571 | inception | ... | 1843-01-01 | ??? |
| P31 | instance of | ... | Q1231309 (division algebra) | division algebra |
| P31 | instance of | ... | Q1999917 (normed algebra) | normed algebra |
| P31 | instance of | ... | Q2835957 (composition algebra) | composition algebra |
| P31 | instance of | ... | Q2835967 (quaternion algebra) | quaternion algebra |
| P31 | instance of | ... | Q3054943 (set of numbers) | set of numbers |
| P31 | instance of | ... | Q7049224 (noncommutative ring) | noncommutative ring |
| P31 | instance of | ... | Q744960 (associative algebra) | associative algebra |
| P31 | instance of | ... | Q806066 (Banach algebra) | Banach algebra |
| P487 | Unicode character | String | ℍ | ??? |
| P227 | GND ID | 4618620-7 |
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