this post was submitted on 02 Oct 2025
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Hilbert's Paradox of the Grand Hotel seems to be the thought experiment with which you were engaged with your math associate. There are countable and uncountable infinities. Integers and skip counted integers are both countable and infinite. Real numbers are uncountable and infinite. There are sets that are more uncountable than others. That uncountability is denoted by aleph number. Uncountable means can't be mapped to the natural numbers (1, 2, 3...). Infinite means a list with all the elements can't be created.