variable-order class

Details

Instance of

variable-order class

Subclass of

class

described by source

Instances of Instances Modeled via Higher-Order Classes

different from

second-order class

model item

entity, source type

Wikidata usage instructions

A variable-order class in Wikidata, e.g., class (Q16889133) or variable-order class (Q23958852), is a class that is not a fixed-order class, e.g., one whose instances can include both first-order classes and second-order classes. There are only a few natural variable-order classes. Before stating that a class is an instance of (P31) variable-order class (Q23958852) check that it is actually a variable-order class, e.g., that it can contain both classes and non-classes.