permanent duplicated item

Deductions

• Wikibase property is for example permanent duplicated item ⇐ (permanent duplicated item is a Wikibase property), (is a is inverse of is for example)
• -> is for example permanent duplicated item ⇐ (permanent duplicated item is a ->), (is a is inverse of is for example)
• symmetric property is for example permanent duplicated item ⇐ (permanent duplicated item is a symmetric property), (is a is inverse of is for example)
• inverse property label item is for example permanent duplicated item ⇐ (permanent duplicated item is a inverse property label item), (is a is inverse of is for example)
• permanent duplicated item is a Wikibase property ⇐ (-> is subclass of Wikibase property), (permanent duplicated item is a ->)