fourth-order class
(Q24027474)
metaclass containing as instances all classes of classes of classes of individuals
metaclass containing as instances all classes of classes of classes of individuals
Language:
Current Data About
fourth-order class
| (P31) |
(Q24027515)
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| (P279) |
(Q23959932)
(Q19478619) |
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| (P1709) |
http://sw.opencyc.org/2012/05/10/concept/en/ThirdOrderCollection
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| (P2559) |
"A fourth-order class in Wikidata, e.g., third-order class (Q24017465), is a class all of whose instances are implicitly or explicitly an instance of (P31) third-order class (Q24017465). A class is implicitly a fourth-order classes if it is a subclass of (P279) another class that is a fourth-order class. These implicit instance of (P31) statements are not all observable in Wikidata. There are vanishingly few natural fourth-order classes. Before stating that a class is an instance of (P31) fourth-order class (Q24027474) check carefully that it is actually a fourth-order class." (language: en)
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| (P6104) |
(Q60005226)
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| (P8225) |
(Q24017465)
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other details
| aliases |
fourth-order metaclass metametametaclass third-order metaclass 3rd-order metaclass |
| description | metaclass containing as instances all classes of classes of classes of individuals |