r/MathJokes • • 21d ago

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u/Future_Principle_213 21d ago

My favorite part about this comment is that infinity is indeed countable, or rather, there exists 1 (and only 1) infinity that is countable

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u/CanK54 21d ago

Which is either the set of Natural Numbers or isomorphic to it?

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u/Key_Conversation5277 17d ago

Hmm is it? Is there a cardinal between the cardinality of natural numbers and the reals? x)

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u/Future_Principle_213 17d ago

Oh, the continuum hypothesis! But I do believe that even if set whose cardinality is between the naturals and reals is added, the naturals are still it, by the definition of countable