Property talk:P1

Documentation

category contains
category contains elements that are instances of this item

Represents	Gratispaideia category (Q485)
Data type	Item
Domain	Gratispaideia category (Q485)
See also	instance of (P3), category's main topic (P190)
Lists	Items with the most statements of this property Count of items by number of statements (chart) Items with the most statements Items with the fewest statements Count of items by number of sitelinks (chart) Items with the most sitelinks Items with the most sitelinks, but no link to Gratispaideia Items with the fewest sitelinks Most linked wikis Items with the most identifier properties By value of property Most statements Fewest statements Most sitelinks Most linked wikis Total of sitelinks on items Most identifiers Fewest identifiers Items with no other statements Most recently created items Items with novalue claims Items with unknown value claims <usage history (total)> <usage history (main statement)> Map Random list
Proposal discussion	Originally created without a formal discussion
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Type “Gratispaideia category (Q485)”: element must contain property “instance of (P3)” with classes “Gratispaideia category (Q485)” or their subclasses (defined using NLA Trove ID (P279)).

Scope is as main value (Q793): the property must be used by specified way only

Exceptions are possible as rare values may exist.
List of this constraint violations: Database reports/Constraint violations/P1#scope, SPARQL

Allowed entity types are Wikibase item datatype (Q799): the property may only be used on a certain entity type

Exceptions are possible as rare values may exist.
List of this constraint violations: Database reports/Constraint violations/P1#allowed entity types