this post was submitted on 03 Jan 2024
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Showerthoughts

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A "Showerthought" is a simple term used to describe the thoughts that pop into your head while you're doing everyday things like taking a shower, driving, or just daydreaming. A showerthought should offer a unique perspective on an ordinary part of life.

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They say in an infinite multiverse versions of you exist. Yet there's an infinity of fractional numbers between 1 and 2 with no whole number 3 between, so infinity can exist without every possibility. (lemmy.world)
submitted 10 months ago by rscky1@lemmy.world to c/showerthoughts@lemmy.world
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[โ€“] brygphilomena@lemmy.world -1 points 10 months ago (1 children)

Where it gets strange is that there are actually an equal number of multiverse that have a version of you as there are that do not contain a version of you.

For the sake of simple math, let's assume that there are an infinite number of multiverses and that the amount of those which contain a version of you is 1/10th.

So let's take the amount of multiverses and divide them by ten. What do we get? Infinity.

It's like trying to say there are fewer rational numbers between 1 and 2 than there are between 2 and 10. The number is always infinite.

[โ€“] platypus_plumba@lemmy.world 4 points 10 months ago* (last edited 10 months ago)

No, there are some infinities bigger than other infinities. I know it sounds dumb, but this has been mathematically demonstrated. All infinities aren't the same size, basically.

The set of rational numbers is larger than the set of integer numbers, even though they are both infinite.

What the person you replied is trying to say is that the intinite amount of universes that exist is infinitely larger that the infinite amount of universes in which you exist.

Personally, I think we can't mathematically understand if the multiverse is a countable or uncountable infinite... Maybe we can? I don't know.

https://philosophy.stackexchange.com/questions/12823/is-the-number-of-universes-finite-countably-infinite-or-uncountably-infinite-a