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this post was submitted on 30 Oct 2024
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Quantitative logic solves so neatly the Ship of Theseus problem.
Let's say that there are five essential components in a functional desktop: CPU, RAM, motherboard, internal storage (HD/SSD), case. Perhaps six if you count the screen (I tend to see it as something attached to the computer instead of part of the computer itself).
Before you took the computer back to the shop, the computer was 4/5=80% the same. (You probably swapped the storage, right?). After they upgraded the mobo, CPU and memory, it's now 1/5=20% the same, as only the original case remains.
...or alternatively pick some arbitrary component to say "when this one is replaced it's a new computer". That's what I do with the CPU, for naming purposes. (All my computers have names - Hollerith [retroactive name], Turing, Midgard, Tiberis [current])
Ditto. And I wish cell phones were the same. Even if they were a bit bulkier as a result - it would mean buying less stuff pointlessly, it would be good for customers and environment.
Yeah, the question would rather be 'when does it stop being the same thing?' It quite obviously no longer is if every single part has been replaced.
Also, depends on what one means by 'the same computer.' The computer I've been using for the past several years mostly still remains. Some of the parts have been replaced a long time ago of which few have been there longer than the original.
The question would be more like "how much of the same thing it is?".
And kind of off-topic, but what are your current mobo/CPU/RAM specs? I'm asking because I did the same recently, changing quite a few parts of my computer.
I honestly don’t remember the exact details. I haven’t gotten it back from the shop yet, and they didn’t give me a parts list with me. Since it’s not my area of expertise, I just trusted their judgment on the parts. My budget was around 350 euros. I use a MacBook as my daily driver, and this PC is just for occasionally playing 10-year-old games. My main goal was to regain upgradeability with the motherboard swap, as my current one didn’t support modern components. Atleast RAM.
As far as I recall, the motherboard was an ASUS TUF Gaming something, with an Intel i5 processor and 16GB of RAM. I upgraded the GPU a few years back to an Nvidia GTX1660S
Got it. I hope that you got a motherboard with a recent-ish design then, it'll help a lot with future upgrades.
I think that logic actually doesn't hold up, perhaps because when a new piece is added, the PCs identity slowly changes. New pieces since it becomes part of the definition of what that computer is.
Let's take the idea of adding a new piece, say a secondary drive. Does that make the computer a new computer? Of course not, that drive belongs to the whole. Does it make it 6/5? Technically not, since you're just counting the original pieces... even if said drive becomes integral to your PC by hosting you Linux distro you migrate to.
Years pass, parts fail, and that Linux instance persists. Now you're down to 0/5 but somewhere along the way your PC of Thesius changed along with it's parts. Using that old definition makes no sense anymore. In fact, it never did. Some say it changed the night you learned about Arch Linux on Lemmy. Others say it changed when you left your Windows loving wife over her poor taste in OS.
I... may have lost my train of thought. I guess all this is to say you can argue definitions all you want but there isn't a mathematical solution when we're taking about stuff like identity, definitions, etc.. but to be fair, it's a thought experiment, not meant to be solved so much as a way to provoke critical thinking.
It's less that the identity of the PC slowly changes, and more that you give up assigning it a single identity. Instead you pick a point of reference (let's say, the PC as OP bought it), and then you measure how much it changed from then to now.
That's how it works with quantitative logic - you never ask "is this the ship of Theseus?", you ask instead "how much of this entity is the ship of Theseus, as left initially in the Athenian harbour?"
It can't be 6/5=120% - adding a secondary drive makes the computer slightly more different. It must be less than 100%.
Since I'm counting long-term storage as 20%, and it changed halfway (the old drive is still there), I'd argue that now it's 90% of the PC that OP bought. (Of course, those numbers are simply made up, what matters is the reasoning.)
This adds two interesting bits of complexity:
Yup. It isn't something serious; just some millenniums old talk. As such losing your train of thought is not a big deal, it's part of the fun.