11:30 PM
I see that math-jokes tag was created. Most likely in this post, since both the time of creation in the list of the new tags and the edit have the same timestamp.
7
So, what's the joke in number $9$? $9$. You understand the following joke: $\forall \forall \exists \exists$
These discussion on meta are somewhat related - not directly to the tag itself, but to the questions of this type.
-4
Is it permissible to post a joke related to math on some board or other on the StackExchange network, or is this sort of levity not permitted? (I thought I'd ask first so I wouldn't attempt something that wasn't allowed. And yes, the joke I have is clean.)
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