From D&D Wiki
subproperty of is a special property in Semantic MediaWiki with a built-in meaning: it lets you indicate that one property is a subproperty of another.
Subproperty of is a predefined property (also known as special property). It is a built-in property that comes with additional administrative privileges but can be used just like any other user-defined property.
Pages using the property "Subproperty of"
This property is a special property in this wiki. Showing 6 pages using this property.