this post was submitted on 10 Jan 2025
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[–] kabi@lemm.ee 12 points 22 hours ago* (last edited 22 hours ago) (1 children)

Sure, "-∞ < ∞" is a useful concept, but it is not the same thing as when we talk about the sizes of infinities. What we mean by that is how many numbers it contains: (1,2,3,4...) contains fewer numbers than (1.0,...,1.1,...,1.5,...,2.0,...,2.5,...), but how large the actual numbers are, doesn't matter. The second example contains just as many numbers, is just as "large", as (1.0,...,2.0).

edit: Sorry for the snarky tone, I was going for nerd maths boy. Hope I at least am technically correct.

[–] kitnaht@lemmy.world 1 points 11 hours ago

Yeah, I was going for simple rather than correct. I didn't want to get into explaining Cantor's Diagonalization to Lemmy folk.