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This is amaintenancecategory, used formaintenance of the Wikipedia project. It is not part of the encyclopedia and containsnon-article pages, or groups articles by status rather than subject. Do not include this category in content categories (except foreponymous maintenance categories).

This is atracking category. It builds and maintains a list of pages primarily for the sake of the list itself. They are not part of theencyclopedia's categorization scheme.

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This category combines all self-contradictory articles from September 2022(2022-09) to enable us to work through the backlog more systematically. It is a member ofCategory:Self-contradictory articles.
Adding{{Contradiction-inline|date=September 2022}} after a contradictory statement will add the article to this category. Use{{Contradict|date=September 2022}} for the whole article or section. If you omit the date abot will add it for you at some point.

You can also participate inWikipedia:WikiProject Fact and Reference Check.

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