Property talk:P161

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has property
when this subject is used as object of "instance of" or "occupation", the following properties normally apply

Data type	Property
See also	has quality (P48)
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 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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Property “Gratisdata property example (P195)” declared by target items of “has property (P161)”: If [item A] has this property with value [item B], [item B] is required to have property “Gratisdata property example (P195)”. Exceptions are possible as rare values may exist. List of this constraint violations: Database reports/Constraint violations/P161#Target required claim, SPARQL, SPARQL (by value)

Value type “Gratisdata property (Q75)”: This property should use items as value that contain property “instance of (P3)”. On these, the value for instance of (P3) should be an item that uses NLA Trove ID (P279) with value Gratisdata property (Q75) (or a subclass thereof). Exceptions are possible as rare values may exist. List of this constraint violations: Database reports/Constraint violations/P161#Value type, SPARQL

Qualifiers “has quality (P48), Gratisdata usage instructions (P168), sourcing circumstances (P160)”: this property should be used only with the listed qualifiers. Exceptions are possible as rare values may exist. List of this constraint violations: Database reports/Constraint violations/P161#Allowed qualifiers, 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/P161#allowed entity types

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/P161#scope, SPARQL