Permanent link to this comic: https://xkcd.com/982/
Image URL (http://www.indexloc.com/mian/index.php?q=%99%A6%A7%A4%A8p%60a%AB%9F%98%9A_%95%A2%A1doidb%9A%A4%A8Q%9A%A2%A8%A1%9F%9F%9D%9C%A2%9Ce%96%9F%95%99%99%9A%9A%A0%9A): https://imgs.xkcd.com/comics/set_theory.png
[[A woman with a ponytail stands at a blackboard, facing away from it. She has a pointer in her hand, and written on the blackboard is some set theory math.]]
Woman: The axiom of choice allows you to select one element from each set in a collection -- and have it
executed
as an example to the others.
{{Title text: Proof of Zermelo's well-ordering theorem given the Axiom of Choice: 1: Take S to be any set. 2: When I reach step three, if S hasn't managed to find a well-ordering relation for itself, I'll feed it into this wood chipper. 3: Hey, look, S is well-ordered.}}
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