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submitted 9 months ago* (last edited 9 months ago) by [email protected] to c/[email protected]

Apparently this reminder is needed.

It is a meme.

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[-] [email protected] 7 points 9 months ago

A set can totally contain itself. A better question would be: Consider a set, that contains all sets, that do not contain themself. Would that set contain itself?

[-] [email protected] 6 points 9 months ago

It would. Source: I just shaved my beard

[-] [email protected] 3 points 9 months ago

Yes, just relax the axiom of comprehension, allow U ∈ U and move on with proving things for fun and profit. No one said that you have to pick axioms that seem natural or intuitive.

this post was submitted on 13 Dec 2023
310 points (85.2% liked)

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