Property talk:P2812

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MathWorld ID
identifier for entries in MathWorld, online mathematics reference work

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Single best value: this property generally contains a single value. If there are several, one would have preferred rank (Help)

Exceptions are possible as rare values may exist. Exceptions can be specified using exception to constraint (P2303). Known exceptions: imaginary number (Q9165172), Klein four-group (Q550593), system of equations (Q735660), nabla operator (Q334508), decreasing function (Q3075231), increasing function (Q3075182)
List of violations of this constraint: Database reports/Constraint violations/P2812#single best value, SPARQL

Distinct values: this property likely contains a value that is different from all other items. (Help)

Exceptions are possible as rare values may exist. Exceptions can be specified using exception to constraint (P2303). Known exceptions: butterfly curve (Q2465157), butterfly curve (Q2533777), bipolar coordinates (Q2383591), two-center bipolar coordinates (Q4087586)
List of violations of this constraint: Database reports/Constraint violations/P2812#Unique value, SPARQL (every item), SPARQL (by value)

Format “([\w]+/)?[-\d\w]+”: value must be formatted using this pattern (PCRE syntax). (Help)

List of violations of this constraint: Database reports/Constraint violations/P2812#Format, hourly updated report, SPARQL

Scope is as main value (Q54828448), as reference (Q54828450): the property must be used by specified way only (Help)

List of violations of this constraint: Database reports/Constraint violations/P2812#Scope, hourly updated report, SPARQL

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/P2812#Entity types

Label required in languages: en: Entities using this property should have labels in one of the following languages: en (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/P2812#Label in 'en' language, search, SPARQL

Description required in languages: en: Entities using this property should have descriptions in one of the following languages: en (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/P2812#Description in 'en' language, search, SPARQL

This property is being used by: it:Template:MathWorld de:Vorlage:MathWorld he:תבנית:MathWorld, he:תבנית:MathWorld/תיעוד ca:Plantilla:Infotaula de polítop, ca:Plantilla:Infotaula polítop ga:Teimpléad:WD Bosca Sonraí Polytope es:Plantilla:Ficha de politopo v:de:Vorlage:MathWorld Please notify projects that use this property before big changes (renaming, deletion, merge with another property, etc.)