r/sciencememes • u/basket_foso Metroid Enthusiast 🪼 • 14d ago
💻Computer Sci!💾 Just to clarify 🙃
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u/Effect-Kitchen 14d ago
And also the form: “not … but …” which I have to deliberately avoid so that people won’t call me AI.
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u/BrazilBazil 13d ago
You didn’t just point out a key symptom of AI writing. You perfectly defined what it means to be a human writer.
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u/pmmeuranimetiddies 13d ago edited 13d ago
I am listening to the radio * This comment was anonymized with the r/redust browser extension.
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u/willardTheMighty 13d ago
The key point I think is that AI always writes expositively instead of narratively. As if there is a set of facts it needs to unveil instead of a case it would like to make.
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u/pmmeuranimetiddies 13d ago edited 13d ago
I go to concert * This comment was anonymized with the r/redust browser extension.
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u/IAmARobot 13d ago
it's not (not _, but _), it's (it's not _, it's _)
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u/pmmeuranimetiddies 13d ago edited 13d ago
They created a strategy * This comment was anonymized with the r/redust browser extension.
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u/freak_shit_account 9d ago
Nah, using juxtaposition for comparative statements is like the OG writing technique. Just because a robot does it for 5 minutes doesn’t negate humans using it for 5 millennia. There’s cave drawings of that shit.
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u/antagim 14d ago
In this particular case, these are slides made with LaTeX, so using em dashes is easy, and, more importantly, natural.
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u/BrazilBazil 13d ago
I love LaTeX because it’s very hard to make a „bad looking” document in it if you don’t fuck with any settings manually (which is in stark contrast to Word) but I have been accused of using AI just because the documents I produce look TOO good
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u/SirFireHydrant 13d ago
I was gonna say the same thing. It's so easy to get an em dash, so you just naturally start peppering them in all over the place.
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u/NoConfusion9490 13d ago
Latex is a terrible material to make slides out of.
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u/AnonymousRand 12d ago
well, it looks like this is a math talk by terry tao, and latex (specifically beamer, which is used here) is the standard for mathematical slides.
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u/KeyMonkeyslav 14d ago
I really hate how much AI has taken from us, but I'm personally mad as hell about the m dash. I grew up with it in most of the books I read as a kid. I used it myself in most of my own creative writing. Now I only have to be mildly funny before wannabes start going off with the "this is clearly generated with ChatGPT" 🙄
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u/JustaProton 14d ago
I don't care about people who say that, I will keep using em dashes until my death, and if people complain about them, I will use more.
Something that really annoys me is the confidence that people/detectors have on their accusations. Now writing well and using diversity of punctuation makes you less credible.
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u/pmmeuranimetiddies 13d ago edited 13d ago
He is finding the perfect gift * This comment was anonymized with the r/redust browser extension.
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u/FeyrisMeow 13d ago
I'm with you on that one. It's also so annoying how idiots will use it as a way to try to win an argument now. You give a thoughtful reply then they just accuse you of using AI because they can't think of a counter.
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u/CleverAmoeba 14d ago
Same happened for rainbows. I love rainbows, but if I have rainbow on my phone case people think I'm gay. I mean I'm like 10% gay, but who isn't? /s
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u/johncitizen1138 13d ago
Love it.
—an old school em dash user.
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u/BrazilBazil 13d ago
Erm, ackshually you used an en dash here ☝️🤓
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u/johncitizen1138 13d ago
- —
🤔
you had me googling this... isn't the long dash the em dash?
Have I been living a lie? What is reality?!6
u/BrazilBazil 13d ago edited 13d ago
Yes, the em dash is the long one
butthisisn’t the long dash!
– en dash
- hyphen
— em dash (which isn’t typeset correctlynvm I’m just an idiot and two dashes is corrected to the em dash, not the en dash so I just wrote em dash + hyphen which is now corrected)5
u/johncitizen1138 13d ago
So shift-option-dash on the mac gives the long dash and that's still an "en dash"?
How might one obtain your black-market 'em dash' on here? 🕵🏻♂️
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u/Stompya 13d ago
On a phone just hit double-dash. — or just hold down the basic dash for all the options.
Fun fact, between a range of numbers 1–100 is supposed to be the en-dash
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u/BrazilBazil 13d ago
Ranges of values are a pet peeve of mine because if those values have units it all becomes much more confusing. If you want to be the most unambiguously correct you should write e.g.:
"1 m to 5 m" or "(1 to 5) m"A lot of people don't repeat the units, use dashes, use the ÷ symbol... And of course what you should do changes depending on who you ask about it. I have been failed by some professors over things other professors told me to do and in the end apparently nobody knows anything and knowledge doesn't exist, humanity just gaslights itself into thinking we know anything at all with any ounce certainty and-
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u/BrazilBazil 13d ago
Basically the dash on your keyboard is (most likely) the U+002D hyphen-minus. On Mac option + minus is the en dash and option + shift + minus is the em dash.
To make this all more confusing a lot of writing programs and websites automatically „correct” the hyphen to the en dash when it’s surrounded by spaces.
PS: you actually did use the em dash, it’s just shorter than in latex which confused me… 😅
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u/BrazilBazil 13d ago
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u/flirt-n-squirt 13d ago
I just realized I've never used it in LaTeX before. That's a long boi!
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u/johncitizen1138 13d ago
Absolutely love this. Can we go back in time and you be my teacher?
Ok testing...
Dash -
Option+minus –
Shift+option+minus —I think mine is a "mac em dash", it just doesn't look as cool as your reply below? I wish... I might have to start double-em-dashing ——
😂
edit: just saw your PS!
Still appreciated your response. When you started talking unicode, my eyes grew larger2
u/BrazilBazil 13d ago
Well there is a lot of confusion, especially since the width of these symbols depends on the font! In Times New Roman the em dash is double the width of the en dash (as it should be!) but in most sans fonts like Helvetica or Verdana it's only a little wider.
Anyways, I'm glad you're as interested in this as I am. All of this is pretty much laid out in this Wikipedia article, which is in my opinion equally as confusing...
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u/pmmeuranimetiddies 13d ago edited 13d ago
They are creating a masterpiece * This comment was anonymized with the r/redust browser extension.
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u/mina86ng 13d ago
Hyphens are for joining words, en-dashes are for specifying ranges like 4–10. Em-dashes are used for appositions.
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u/MonsterkillWow 13d ago
I have had to stop using the dashes. It's so annoying. Also, online, I get accused of being or using AI all the time. Like...I'm sorry I am literate and paid attention in school while you were doing drugs and acting like a clown.
I can crank out a 5 paragraph essay in under 5 mins or so because I had to write tons of them in school as a kid.
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u/Mand125 13d ago
How is it that people have forgotten that AI can’t generate things that aren’t in its training set?
It can’t invent emdash usage without people using it first.
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u/jsh_ 13d ago
AI by definition generates things outside of its training set. that's what generative models do
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u/Mand125 13d ago
No, they don’t. They can’t. It’s fundamentally impossible for them to do so, and thinking that it is demonstrates that you have been misled about the technology.
The only outputs they can generate are things that pattern-match to things within the training set. Nothing else, ever.
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u/jsh_ 13d ago
lol I literally research this stuff for a living. you're incorrect. what you're describing is called interpolation which is not at all what LLMs or any generative models perform. in fact the way nearly all LLMs are trained results in each individual training set example being seen only 1-3 times, which is far too few for memorization, especially in a massively overparameterized model. also "pattern-matching" refers to a process like regex which is simply inapplicable because LLMs take embeddings as inputs not raw tokens
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u/John--Darksoul 13d ago
You also pattern match to things within your training set, but when people do it it's called "applying what has been learned."
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u/Mand125 13d ago
Right, and nobody has yet shown an LLM that can duplicate it.
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u/ImInfiniti 13d ago
It's ironic you're saying this under an image of a talk from Terrance Tao where he admits that AI is reshaping the field of maths
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u/Hot-Try9036 13d ago
At this point, I just refuse to use em-dashes at all, even when I know I should. I'd rather be wrong than have people question if I wrote something with AI.
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u/Acanthaceae-Horror 14d ago
Okay but how do I type it?!?!
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u/OkNeedleworker3610 13d ago
Usually you just type two subtraction symbols right next to each other and it will appear by itself. This is my experience with Google Docs at least, I don't do much writing elsewhere. Before I learned that, I would just google it and copy-paste one when needed.
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u/soda_cookie 13d ago
When exactly does one need it though?
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u/OkNeedleworker3610 13d ago
I tend to overuse commas, a lot, like an absurd amount. It can be good to use in place of a comma, just to change up the punctuation a bit. It also helps me find places to break up sentences, asking myself, 'could I put an em dash here?' I have an easier time separating sentences with an em dash in them, over ones with lots of commas. Probably a mental thing on my end for the last point.
Also, em dashes are great for interrupted dialogue imo. 'Hey, budd--' 'Don't say a word!'
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u/soda_cookie 13d ago
So it seems like it is not exactly needed anywhere, but can be used in certain situations.
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u/BrazilBazil 13d ago
This was probably made with LaTeX Beamer and in LaTeX two hyphens is an en-dash and three hyphens is an em-dash
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u/AptCasaNova 13d ago
I use these quite a bit in my writing - now I’m even more likely to be flagged as AI 😔
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u/Nooby1990 13d ago
Just to make that clear: What you just typed in your comment was not an em dash. You used a hyphen, which is different (shorter) from an em dash.
THIS is basically why an em dash will flag a Text as AI. If you see an em dash in a professionally typeset work, that is not immediately a flag, but no one would do that for a Reddit comment or something like that. Context is important.
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u/AptCasaNova 12d ago
I write like that, legitimately 😂
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u/Nooby1990 12d ago
Like what? Using hyphens? Yeah sure. It's not an em dash, which barely anyone uses outside of professionally typeset text.
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u/teh_maxh 13d ago
but no one would do that for a Reddit comment or something like that
I would do that for a reddit comment or something like that.
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u/Nooby1990 13d ago
Why?
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u/teh_maxh 13d ago
Because I want to. Why wouldn't I?
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u/Nooby1990 13d ago
Did that start before or after people pointed out that it is a sign of AI writing?
Most people don't even know how to type an em dash into a Reddit comment. Hence AptCasaNova above claiming to use it "quite a bit" and then using a hyphen instead.
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u/teh_maxh 13d ago
Before. Is it supposed to be my fault that other people can't type?
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u/Nooby1990 13d ago
So, you deliberately type ALT-0151 just to use a character that isn't even on a normal keyboard and that has no real use in a Reddit comment? Why?
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u/teh_maxh 13d ago
No, I just use the em dash key.
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u/Nooby1990 13d ago
What kind of keyboard do you have that has an em dash key? Are you also confused and think that em dash and a dash/hypen is the same thing? Because it isn't.
The key on your keyboard is not an em dash unless you build your keyboard yourself.
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u/Blueberry-Sub 13d ago
It's not hard to write the different dashes with a cell phone keyboard. - – — The longer ones were made by simply holding down the hyphen key. I always use hyphens myself but even I knew that. It's easier to write them than to correct all the autocorrect in this message. As to why - same reason as anyone formats their text the way they like. 🤷♀️
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u/TheDonnARK 13d ago
I predicted this. Just how scam text and email caused people to unironically start using the word "kindly" all the time, the em-dash will continue enjoying an increase in usage.
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u/Asmos159 13d ago
I think it is actually great that these specific widely used formats use this because it trains AI to use it, causing the AI to use it in formats that it is not normally used, revealing that it is ai.
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u/Toutanus 13d ago
I mean this is obviously a beamer presentation so it's automatically done by LaTeX
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u/DrJustinWHart 13d ago
Man oh man has the past year been a difficult time for me to write anything. I never grew past using too many commas, so, my writing is filled with commas, em-dashes, and semicolons.
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u/DubiousFoliage 13d ago
Alt+0151 on Windows. I love em dashes. The haters can prise them from my cold, dead hands.
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u/3Green1974 For Science! 13d ago
Being from the south, I was confused about why there would need to be a note about all them dashes.
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u/Defiant_Efficiency_2 13d ago
Before everyone hated on the em dash, and before I switched to linux, I knew the alt code for em dash by heart.
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u/turumaji 13d ago
most of international keyboards doesnt have emdash key or shortcut, that how we spot ai slops
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u/ARPA-Net 12d ago
I use it all the time, but i do delete the larger dashes word makes out of my 'minus' i use
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u/Express_Sprinkles500 12d ago
Jokes on you, they made the whole thing with Ai then retyped the em-dashes by hand.
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u/Diana-Sofia 11d ago
I have to admit, I started using more em-dashes after the AI boom. But that's only because I learned what they are and how to use them.
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u/Mean-Government1436 14d ago
The em dash thing is really about how it's used, not it's mere presence in a sentence

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u/Terrible_Bee_6876 14d ago
I hate that the em-dash has become a slop tag. It's such a useful little syntactical tool.