Deductions
- Help:Main article has quality class ⇐ (existence is a class), (Help:Main article has quality existence)
- Help:Main article has quality entity ⇐ (taxonomic rank is a entity), (Help:Main article has quality taxonomic rank)
- electronic page is for example Help:Main article ⇐ (Help:Main article is a electronic page), (is a is inverse of is for example)
- wiki page is for example Help:Main article ⇐ (Help:Main article is a wiki page), (is a is inverse of is for example)
- content is for example Help:Main article ⇐ (Help:Main article is a content), (is a is inverse of is for example)
- Help:Main article has quality taxonomic rank ⇐ (Help:Main article is a content), (content has quality taxonomic rank)
- Help:Main article has quality existence ⇐ (Help:Main article is a content), (content has quality existence)
- Help:Main article has quality superclass ⇐ (Help:Main article is a content), (content has quality superclass)
- Help:Main article is a content ⇐ (Wikimedia project page is subclass of content), (Help:Main article is a Wikimedia project page)
- Help:Main article is a wiki page ⇐ (Wikimedia project page is subclass of wiki page), (Help:Main article is a Wikimedia project page)
- Help:Main article is a electronic page ⇐ (Wikimedia project page is subclass of electronic page), (Help:Main article is a Wikimedia project page)
- Wikimedia project page is for example Help:Main article ⇐ (Help:Main article is a Wikimedia project page), (is a is inverse of is for example)