this post was submitted on 20 May 2025
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The AM/PM bullshit:
AM: 12, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11
Then the same for PM. Who counts like that? Whats after 12? 1! What?
Big brain ape like count in many systems
People who lived before the invention of zero counted like that!
I have no idea if that's true but I believe it
The idea of zero being a number rather than the absence of a number took a very long time to settle on. There’s a whole history book on the topic!
I listened to an audiobook about the history of zero years ago (can’t remember the name, might be that one). I thought it would be dull enough to fall asleep to.
It was not.
The galaxy-brained group known as "Z~12~ + 1". "What if we did modular arithmetic but one-indexed."
Edit: Actually, wait, it's worse: zero-indexing but we represent the zero element in Z~n~ as 'n'. Kill it with fire.
Is not 12+12Z the exact same coset as 0+12Z? Is 12 not the identity element? Must group theory follow computer science conventions?