---
created: 2023-03-26T11:58
updated: 2023-12-28T09:18
aliases:
  - quasi-isomorphism
  - quasiisomorphism
---

---

- Tags: 
	- #todo/untagged
- Refs:
	- #todo/add-references
- Links:
	- #todo/create-links 

---

# quasi-isomorphism


- Not every quasi-isomorphism is a homotopy equivalence:

![](attachments/image_2021-04-09-18-12-47.png)