# Category:Category theory

Definition from Wiktionary, the free dictionary

» All topics » Sciences » Formal sciences » Mathematics » **Category theory**

This category contains only other categories, no dictionary entries. Its subcategories are on the topic: Category theory. They are of two sorts:

- Subcategories named like "aa:Category theory (with a prefixed language code) are categories of terms in specific languages. You may be interested especially in Category:en:Category theory, for English terms.
- Subcategories of this one named without the prefixed language code are further categories just like this one, but devoted to finer topics.
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## Subcategories

This category has the following 7 subcategories, out of 7 total.