# 加法 / 阿贝尔范畴　`def.abelian-category`
加法范畴与阿贝尔范畴（Additive / Abelian Category）
layer 16 · 定义 · 加法与阿贝尔范畴 · 同调代数
[在星图里打开](../#n=def.abelian-category)　·　[节点索引](../index.md)

- **预加法范畴**（$\mathbf{Ab}$-范
> 陈述续见 [nodes/def.abelian-category.2.md](./def.abelian-category.2.md)


## 为什么成立（入边，证明在 proofs/）
- …另有入边，续页见 [nodes/def.abelian-category.6.md](./def.abelian-category.6.md)

## 它能推出什么 / 谁在用它
- …另有出边，续页见 [nodes/def.abelian-category.8.md](./def.abelian-category.8.md)

## English abstract · **draft** · machine-drafted, pending author review; Chinese is authoritative
> English abstract 续见 [nodes/def.abelian-category.4.md](./def.abelian-category.4.md)

refs: Le Stum, An introduction to condensed mathematics, §5.1–5.2

外部：Wikipedia https://en.wikipedia.org/wiki/Abelian_category · nLab https://ncatlab.org/nlab/show/abelian+category

> 说明见 `notes/def.abelian-category.md`

引用：`def.abelian-category`（内容 v0.9.0）· 条款见 [LICENSE.txt](../LICENSE.txt)