this post was submitted on 27 Jan 2026
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They tried to argue that all math was useless bullshit because it couldn't deal with infinity.
I tried to show different ways math has been useful for me personally, and for humanity generally. None of that mattered to them. I tried to explain how math can actually work with infinity. They insisted I was lying.
A part of me thought they were just trying to troll me, but after seeing and interacting with them multiple times afterwards, I'm pretty sure those were their genuine beliefs. They were also a moon landing denier, but after the whole math discussion I didn't touch that topic with a ten foot pole.
So many people never even look at calculus & how it addresses infinities, it's got this reputation as difficult but that's just because of all the different algorithms and rules to learn for different cases, but you can teach the basic operations and build intuitions of differentiation and integration to grade schoolers.
https://youtu.be/tt2DGYOi3hc
What really disappointed me about math is that there is a proof that there must be mathematical theorems which cannot be proven or disproven.
Just adding to aMockTie here: I love math, a math-lover, if you will, and I don't find the incompleteness theorem disappointing, I find it incredibly interesting and captivating. It's like learning that black holes are real. It gives me the same feeling that watching superfluids in chemistry flow up their containers do.
The fact that the universe conspires to keep us ignorant is so goddamn interesting.
I never made the connection until reading your comment, but I now wonder if they heard about the incompleteness theorems and came to their conclusions about math based on a misunderstanding.
I'm sorry to hear that concept disappointed you, but I personally don't think it ultimately matters or effects the usefulness of math. I see it as similar to the difference between science and engineering. An engineer can create something useful by knowing what works, without knowing precisely why it works. A scientist tries to uncover why things work the way they do, regardless of the utility of that understanding. Often the output of those two fields overlap, but they don't have to.
JFC don't send them stopdoingmath.jpeg
I now consider it one of many examples of the idea that you can't use reason and evidence to change someone's beliefs, if they never used reason or evidence to conclude those beliefs in the first place.
I feel sorry for those who have never felt the excitement of changing their beliefs based on new evidence or understanding, especially when due to their own hubris. Being wrong is an opportunity to learn and discover. Everyone who has ever lived, and will ever live, is sometimes wrong.
In a way, that's the general theme of this thread. We stood our ground when we knew we were right and could prove it with reason and evidence, while facing opposition that was based on stubbornness, hubris, and refusal to admit to being wrong.
Not only is it sad, nearly everything wrong with the world right now can be boiled down to a handful of people having this character flaw
"Nearly everything" seems a bit hyperbolic, but I absolutely agree that it's a major problem that has caused, and will likely continue to cause massive unnecessary suffering worldwide.
You can't even prove numbers are real!
Sounds irrational
We should all imagine imaginary numbers together.
Ha! You got me there!