The subcategories of this should, in principle, cover all fact articles on the wiki. A fact article has a statement, and usually also has the proof (either full or in part) of the statement.
See Help:Fact lookup for more information on how to look up facts.
To learn more about how fact articles are written, refer the Manual of style page on fact articles.
If you're looking for terminology or definitions go to Category:Terminology.
For an unsorted list of all facts, click here.
This category has the following 16 subcategories, out of 16 total.