Property talk:P8864

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identity element
value of the identity element of the mathematical operation
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Type “binary operation (Q164307): element must contain property “subclass of (P279)” with classes “binary operation (Q164307)” or their subclasses (defined using subclass of (P279)). (Help)
Exceptions are possible as rare values may exist.
List of this constraint violations: Database reports/Constraint violations/P8864#type Q164307, SPARQL, SPARQL (new)
 
Value type “mathematical object (Q246672): This property should use items as value that contain property “instance of (P31)”. On these, the value for instance of (P31) should be an item that uses subclass of (P279) with value mathematical object (Q246672) (or a subclass thereof). (Help)
Exceptions are possible as rare values may exist.
List of this constraint violations: Database reports/Constraint violations/P8864#Value type Q246672, SPARQL, SPARQL (new)
 
Scope is as main value (Q54828448): the property must be used by specified way only (Help)
Exceptions are possible as rare values may exist.
List of this constraint violations: Database reports/Constraint violations/P8864#scope, SPARQL, SPARQL (new)
 
Allowed entity types are Wikibase item (Q29934200): the property may only be used on a certain entity type (Help)
Exceptions are possible as rare values may exist.
List of this constraint violations: Database reports/Constraint violations/P8864#allowed entity types, SPARQL (new)
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