this post was submitted on 02 Oct 2025
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Science Memes

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[–] helpImTrappedOnline@lemmy.world 1 points 1 month ago

The second one. It'll be a bit rough, but overall should be a smoother ride for the occupants.

[–] _AutumnMoon_@lemmy.blahaj.zone 1 points 1 month ago

either way infinite people die, just not getting involved

[–] Randelung@lemmy.world 1 points 1 month ago

What about a time loop where only one person dies, but infinite times?

[–] answersplease77@lemmy.world 1 points 1 month ago (1 children)

Actually... this means there are infinite people so:

Let X be the number of people killed = (-infinity)

As infity is defined :

infinity + X = infinity

infinity + (-infinity) =

infinity - infinity = infinty

So no people would have died black guy pointing at his head meme

[–] sem@lemmy.blahaj.zone 1 points 1 month ago

Desnt work when they're different classes of infinity.

[–] PhAzE@lemmy.ca 1 points 1 month ago

Geez, disconnect the trains so you can hit both lines at the same time, obviously.

[–] Fleur_@aussie.zone 0 points 1 month ago (24 children)

You've misunderstood "some infinities are bigger than others." Both of these infinities are the same size. You can show this since each person on the bottom track can be assigned a person from the top track at 1 to 1 ratio. An example of infinities that are different sizes are all whole numbers and all decimal numbers. You cannot assign a whole number to every decimal number.

Matt parker does a good video on this. I can't remember the exact title but if you search "is infinite $20 notes worth more than infinite $1 notes" you should find it.

[–] mathemachristian@lemmy.blahaj.zone 1 points 1 month ago (1 children)

An example of infinities that are different sizes are all whole numbers and all decimal numbers.

not sure what you mean by this, if you mean fractions you are wrong. Rational numbers and natural numbers can have a 1 on 1 assignment, look up cantors diagonalization. If you meant real numbers then you are right.

Decimals are how you represent numbers, not the numbers themselves.

[–] Fleur_@aussie.zone 1 points 1 month ago* (last edited 1 month ago)

I'm not talking about fractions, I'm talking about the reals because that it what op referred to

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[–] p3n@lemmy.world 0 points 1 month ago (1 children)

I do what I always do: run to the trolley, then jump up and pull the emergency stop because I hate false dilemmas.

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[–] OddMinus1@sh.itjust.works 0 points 1 month ago

Can I group the people into groups of 1, then 2, then 3 and so forth? When the trolley is done with the killing, it will have killed -1/12 people.

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