maintenance method

Deductions

• -> is for example maintenance method ⇐ (maintenance method is a ->), (is a is inverse of is for example)
• Wikibase property is for example maintenance method ⇐ (maintenance method is a Wikibase property), (is a is inverse of is for example)
• maintenance method is a Wikibase property ⇐ (-> is subclass of Wikibase property), (maintenance method is a ->)