Category Theory For Beginners - 6 [entire topic moved to new forum]

tsakanikasnickos on Sunday, November 08 2015, 07:13 PM
0

Suppose that $$\mathcal{C}$$ is a category with a zero object. Suppose that the morphism $$a$$ is the kernel of a morphism $$\displaystyle \gamma : X \longrightarrow Y$$. Show that if coker($$a$$) exists, then $$a =$$ ker(coker $$a$$).

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