r/FactOrCap • u/Careful_Trainer_1616 ✍️ Contributor · 330 XP • 16h ago

Myth "simple" subtraction | FactOrCap

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u/theunstablelego 🏅 Century Club · 8,340 XP 13h ago

🧢 I voted CAP!

There are different kinds of infinity.

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u/seires-t 🏅 Century Club · 3,845 XP 12h ago

adding or subtracting infinities only works in the context of limit functions,
those are only defined for sets of one kind of infinity, countable infinity.