this post was submitted on 02 Oct 2025
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Science Memes

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[–] mumblerfish@lemmy.world 101 points 1 day ago* (last edited 1 day ago) (18 children)

In the top one you will never actually kill an infinite number of people, just approach it linearly. The bottom one will kill an infinite amount of people in finite time.

Edit: assuming constant speed of the train.

[–] buffing_lecturer@leminal.space 8 points 1 day ago (12 children)

Limits still are not intuitive to me. Whats the distinction here?

[–] turdcollector69@lemmy.world 4 points 22 hours ago

Different slopes.

On top you kill one person per whole number increment. 0 -> 1 kills one person

On bottom you kill infinity people per whole number increment. 0 -> 1 kills infinity people

You can basically think of it like the entirety of the top rail happens for each step of the bottom rail.

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