Linked from

The 6 pages that link to Abelian category, each with the reason it gives.

• CokernelNarrower topic: Its axioms ensure cokernels behave coherently alongside kernels and images.

• Snake lemmaNarrower topic: The lemma holds in abelian categories, not only for groups or modules.

• Five lemmaNarrower topic: The five lemma extends beyond groups to objects and maps in any abelian category.