KnowraExact sequenceLinked fromLinked fromThe 12 pages that link to Exact sequence, each with the reason it gives.All 12Related 7Narrower topic 4Compared with 1Snake lemmaNarrower topic: Exactness is the conclusion that links the kernels and cokernels.Five lemmaNarrower topic: Exactness in the two rows supplies the kernel and image relations used in the proof.Nine lemmaNarrower topic: The lemma's conclusion is exactness of the third vertical sequence.Zig-zag lemmaNarrower topic: Exactness is the defining property of the homology sequence the lemma produces.