Property talk:P12322

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underlying structure(s)
mathematical structure(s) obtained by deleting some data of the subject

Represents	underlying structure (Q124334347)
Data type	Item
Domain	mathematical structure (Q748349)
Example	metric space (Q180953) → uniform space (Q652446) Lie group (Q622679) → smooth manifold (Q78338964) topological group (Q1046291) graph (Q141488) → set (Q36161)
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 one Wikipedia (sample: Welsh Wikipedia, cywiki) 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) Database reports/Constraint violations/P12322 Map Random list
Proposal discussion	Proposal discussion
Current uses	Total 37 Main statement 33 89.2% of uses Qualifier 4 10.8% of uses
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[create Create a translatable help page (preferably in English) for this property to be included here]

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. Exceptions can be specified using exception to constraint (P2303).
List of violations of this constraint: Database reports/Constraint violations/P12322#Entity types

Scope is as main value (Q54828448): the property must be used by specified way only (Help)

Exceptions are possible as rare values may exist. Exceptions can be specified using exception to constraint (P2303).
List of violations of this constraint: Database reports/Constraint violations/P12322#Scope, SPARQL

Type “mathematical structure (Q748349)”: item must contain property “instance of (P31), subclass of (P279)” with classes “mathematical structure (Q748349)” or their subclasses (defined using subclass of (P279)). (Help)

Exceptions are possible as rare values may exist. Exceptions can be specified using exception to constraint (P2303).
List of violations of this constraint: Database reports/Constraint violations/P12322#Type Q748349, SPARQL

Value type “mathematical structure (Q748349)”: This property should use items as value that contain property “instance of (P31), subclass of (P279)”. On these, the value for instance of (P31), subclass of (P279) should be an item that uses subclass of (P279) with value mathematical structure (Q748349) (or a subclass thereof). (Help)

Exceptions are possible as rare values may exist. Exceptions can be specified using exception to constraint (P2303).
List of violations of this constraint: Database reports/Constraint violations/P12322#Value type Q748349, SPARQL

Qualifiers “applies to part (P518), quantity (P1114)”: this property should be used only with the listed qualifiers. (Help)

Exceptions are possible as rare values may exist. Exceptions can be specified using exception to constraint (P2303).
List of violations of this constraint: Database reports/Constraint violations/P12322#allowed qualifiers, SPARQL