nLab horseshoe lemma

Contents

Context

Homological algebra

homological algebra

(also nonabelian homological algebra)

Introduction

Context

Basic definitions

Stable homotopy theory notions

Constructions

Lemmas

diagram chasing

Schanuel's lemma

Homology theories

Theorems

Contents

Idea

A basic lemma in homological algebra.

References

The horseshoe lemma appears as lemma 2.2.8 in

Last revised on August 27, 2012 at 15:31:00. See the history of this page for a list of all contributions to it.