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[-] expr@programming.dev 87 points 6 months ago

I just found out about this debate and it's patently absurd. The ISO 80000-2 standard defines ℕ as including 0 and it's foundational in basically all of mathematics and computer science. Excluding 0 is a fringe position and shouldn't be taken seriously.

[-] RandomWalker@lemmy.world 39 points 6 months ago

I could be completely wrong, but I doubt any of my (US) professors would reference an ISO definition, and may not even know it exists. Mathematicians in my experience are far less concerned about the terminology or symbols used to describe something as long as they’re clearly defined. In fact, they’ll probably make up their own symbology just because it’s slightly more convenient for their proof.

[-] doctordevice@lemmy.ca 19 points 6 months ago* (last edited 6 months ago)

My experience (bachelor's in math and physics, but I went into physics) is that if you want to be clear about including zero or not you add a subscript or superscript to specify. For non-negative integers you add a subscript zero (ℕ_0). For strictly positive natural numbers you can either do ℕ_1 or ℕ^+.

[-] Emmie@lemm.ee 11 points 6 months ago* (last edited 6 months ago)

I hate those guys. I had that one prof at uni and he reinvented every possible symbol and everything was so different. It was a pita to learn from external material.

[-] Leate_Wonceslace@lemmy.dbzer0.com 8 points 6 months ago* (last edited 6 months ago)

they’ll probably make up their own symbology just because it’s slightly more convenient for their proof

I feel so thoroughly called out RN. 😂

[-] gens@programming.dev 2 points 6 months ago

From what i understand, you can pay iso to standardise anything. So it's only useful for interoperability.

[-] expr@programming.dev 2 points 6 months ago

Yeah, interoperability. Like every software implementation of natural numbers that include 0.

[-] WldFyre@lemm.ee 1 points 6 months ago

How programmers utilize something doesn't mean it's the mathematical standard, idk why ISO would be a reference for this at all

[-] thewowwedeserve@feddit.de 1 points 6 months ago

Because ISO is the International Organisation for Standardization

[-] WldFyre@lemm.ee 1 points 6 months ago

Yes, but it's not for mathematicians. It's for the applied fields.

[-] KISSmyOSFeddit@lemmy.world 2 points 6 months ago

Can I pay them to make my dick length the ISO standard?

[-] gens@programming.dev 6 points 6 months ago

I feel they have an image to maintain, but i also feel they would sell out for enough money. So.. tell me if you make it.

[-] xkforce@lemmy.world 1 points 6 months ago

Yeah dont do that.

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this post was submitted on 07 May 2024
874 points (98.1% liked)

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