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And cardinalities of infinite sets are cool. Did you know not every infinite set of numbers has the same magnitude? (Informally, "they can have a different num
by joshzayin 16y ago
And cardinalities of infinite sets are cool.
Did you know not every infinite set of numbers has the same magnitude? (Informally, "they can have a different number of numbers.")
- aperiodic 16y agoWhen I first understood Cantor's diagonalization argument, it blew my mind. It remains one of the most clever pieces of reasoning I've ever seen.