It's not "two fold," it's "twofold". And by extension, "threefold." The "fold" here is not an independent word with its own meaning.
this post was submitted on 11 Jan 2025
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Yeah, 'number'fold words in modern English are actually linguistic hold overs from before 'fold' was a verb that meant to bend something along a crease.
https://www.etymonline.com/word/twofold
In a whole bunch of proto-English languages, fold or feald or fald or falt were all multiplicative suffixes (basically) attached to a number, which made a new word meaning to multiply by the number.
...
I'd be willing to bet this is also why the phrase 'doubled over' literally means that a person is bent, or folded at their abdomen.
You take the new meaning of fold (to bend along a crease) but replace it with the word that twofold literally means (doubled).
If you interpreted 'doubled over' as literally as OP is taking twofold, then the phrase should mean that a person was above something and then spontaneously grew a clone of themselves, or became twice as heavy or tall or something.
This is actually pretty interesting. I wish I could pin someone else's comment. Thanks.
NP! =D
It took me way too long to realise you weren't asserting an unorthodox answer to the nondeterministic polynomial time problem.
Same!
haha sorry!
My wrist is pretty messed up, and sometimes, it basically seizes up, so I went back to 15 yrs ago txt message dialect...
And then after posting it I realized, oh that could be confused with... ah fuck it time to ice my wrist and do more massage.
I read that as "NP != D" and spent far too long trying to figure out what the variables N, P, and D were in this context.
Your comment makes me think of P versus NP.
When I saw NP that's where my mind went first... Hence my confusion lol
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Had not heard of him!
Thanks, I'll give him a watch =)
Good luck! I'd be thrilled to know what you think.
I think youβre thinking about it wrong.
The kind of fold here would be closer to Pleats not repeated bifolding.
....and then Ben folds five shows up to ruin everything.
Avenged Sevenfold says, "Hi".
You mean, Avenged One hundred and twenty eight fold.
No, that would be Avenged 340,282,366,920,938,463,463,374,607,431,768,211,456.
It is possible to fold a sheet of paper into thirds and get three layersβ¦
But that would be two folds, and arguably two layers if the area of the middle section is bigger than the outer sections added together.
But you can fold the corners of a piece of paper, like dog earing the page of a book to make a quick bookmark, and unfolding that is very far from doubling the apparent, top down surface area.
There are many ways of folding things that are not the very specific 'fold in half' or bifolding that you are envisioning.
Ever made a paper airplane?
Origami?
Folded clothes?
Etymology is your friend.
But it won't pick you up at the airport.
Yes, but it's a good enough friend to tell you when your idea is stupid. Just not good enough to pick you up at the airport or help you move house.
I agree, exponents are more powerful.
I also use 2 when I'm talking about orders of magnitude.
Must the fold be exactly in half?
What if I just fold a tiny corner over?
That would still be two layers. Although folding all the corners would allow four fold to equal two.
Thatβs only if you are folding the already folded paper. If you unfold after the first fold, then fold one of the halves in half, youβll always end up with the number of folds plus one.
That still doesnβt match the intended meaning of the analogy though.
It's a separate meaning of fold. Fifth definition for Merriam Webster.
fold
5 of 5 suffix 1 : multiplied by (a specified number) : times βin adjectives a sixfold increase and adverbs repay you tenfold 2 : having (so many) parts threefold aspect of the problem
Maybe they're thinking in non euclidean folds?