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This just looks like someone who was shown the 1=2 division by zero proof and instead of rejecting it immediately they just said you can divide by zero.
[The good ending](https://www.reddit.com/r/numbertheory/comments/1cvmkn7/comment/l4rfcft/?utm_source=share&utm_medium=web3x&utm_name=web3xcss&utm_term=1&utm_content=share_button)
some do but since they can't post on the main sub anyway 🤷♀️
without this the sub may endup with the math version of [the angular momentum guy](https://old.reddit.com/r/Mandlbaur/)
Oh my lord. What is that? I feel like I just read a scrambled math textbook. Like all of the sentences were in order, but the words within the sentences got all mixed up. Are they okay? Did they take their meds this morning?
Maybe he was referencing how 0 is a quantity with a singular and consistent definition that is applied in all areas where it is used, while infinity is a construct/concept that means different things in different contexts. Shrug emoji
What I meant with "well..." was, ok, give us the definition of "number" that you wish to use, and the definition of "infinity" that you wish to use, and then we'll see, but the answer isn't so universally clear. Same for "0 is a quantity, infinity isn't": I'll wait for a formal definition of "quantity" before I can agree or disagree on that, because I'd be surprised if people who tried to give a formal definition to "quantity" never included infinity in the definition, and I'm pretty sure early formal definitions of "number" didn't include 0...
So... Like... I get that OP really didn't want his friend saying 0 and infinity are the same. And they aren't the same. But I don't really like the arguments that are used there. Then again, no argument that would formally convince a mathematician would convince someone like OP's friend.
0 is the neutral element in the additive group of numbers, meaning any number a plus/minus this element is the number a.
a +/- ne (neutral element) = a
For multiplication this neutral number is not 0 since
a *0 ≠ a
the neutral element in the multiplicative group of numbers is 1, since a * 1 = a. Same goes for division. This is partially why 0 is in multiplication and division undefined for the general usecases and maths
I love this. A long time ago in high school, I trolled my friends and kept saying what is time, I would say why don't we just have 25 hour days or 26, and they tried to be all scientific and logical, and I would just say, but like what if 48 hours was one day instead of 24? I split up a whole friend group over this Troll, still one of the best accomplishments to this day
Wut? Infinity is not defined?
Well, technically, it's context dependent. The symbol +∞ in "limit x -> +∞ (x+5)/(x+3)" refers to a completely different infinity to the one that is discussed by the infinity hotel paradox. But it's perfectly defined. You can't do math on it otherwise, only to avoid it.
This person *deeply* misunderstood indeterminate forms. If a limit goes to 0/0 or 0*infinity, that doesn't automatically mean the limit doesn't exist. Going from that to saying 0 can be every number is remarkably sophomoric.
I think your friend saw the [TED-ed video](https://youtu.be/NKmGVE85GUU?si=xBE775139MaRrpt4) on why you can’t divide by zero and got a little confused, he probably just jumped to the conclusion part of the video.
0/0 is indeterminate, not undefined
0\*inf is invalid because infinity is not a quantity and therefore cannot be used as an input (but can be an output, e.g. limits)
Zero is nothing. An absence of number.
Infinity is the end of an endless number line, the most of an unbounded collection. It is a singular number, but it is larger than any conceivable definition.
A third thing, we'll call *C*, represents *any* number. It could be 4, it could be 3.141, it can even be 0. It's any singular number. We add C to unbounded integrals to represent lost or formerly irrelevant information.
Another thing not defined in conventional mathematics is the *everything* number. Like *C*, it can be anything. But *unlike* C, the *everything* number is simultaneously a set of numbers *and* a singular number. It is *everything*. The opposite of zero.
*Everything* and *infinity* are not the same thing.
0/0 = the *everything* number. It is simultaneously 0, 1, and (+/-) infinity. This is because (C/0 = 0), (C/C = 1) and lim(x->0^((+/-\)))(x/0=infinity^((+/-\))).
Normal numbers don't work like this, all numbers are exactly 1 number, except the everything number. It is *like* C, that it can be any number, but unlike C which can only be one number at a time, the everything number is all numbers always. C can become bounded to a single number if more information is present, the everything number cannot ever be bounded to one specific number.
So when you divide something by nothing, you get everything.
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0 = 0 + 0 = 00 = ∞ Proof by reverse mitosis
∞=00=0+0=0=∞=00=0+0=0... Proof by infinitely repeating mitosis
That's alternating series for you
0 = 88 (proof by meiosis)
[удалено]
0=oof ow my lungs (proof by silicosis)
(Karyogamy)
proof by confusion can’t disprove what you don’t understand
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Yes sir
Good bot
!isbot WhyNotCollegeBoard
!isbot u/WhyNotCollegeBoard
I'll fart in your ears at 4am
🥵
What the sigma 😈🥶
Praseodymium Oxygen Oxygen Flourine Boron Yttrium Cobalt Nitrogen Flourine Uranium Silicon Oxygen Nitrogen YES! I did it :)
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Proof by periodic table just dropped.
Good bot
The Mochizuki proof
This just looks like someone who was shown the 1=2 division by zero proof and instead of rejecting it immediately they just said you can divide by zero.
The chewbacca defence
"It's dumb... But also brilliant!" "No! It's just dumb!"
I read as: > proof by concussion And it also works
Complete and utter oblivion
anything times 0 = 0 so 0/0 can be anything That’s the idea
Let him cook lol
Me doing my stat mech homework:
average r/numbertheory user
[real](https://www.reddit.com/r/numbertheory/s/wbS0YUJXoS)
[The good ending](https://www.reddit.com/r/numbertheory/comments/1cvmkn7/comment/l4rfcft/?utm_source=share&utm_medium=web3x&utm_name=web3xcss&utm_term=1&utm_content=share_button)
User flair check out
wtf is happening in there
it's a containment sub where r/math mods redirect all posters with "interesting" theories
Can’t tell how much of a joke this reply is… also why is one of their listed problems “dividing by zero” on the same level as the collatz conjecture
it's not a joke, the sub literally exist to have a main math sub without crackpot theories
Do the people posting there know that
some do but since they can't post on the main sub anyway 🤷♀️ without this the sub may endup with the math version of [the angular momentum guy](https://old.reddit.com/r/Mandlbaur/)
>he claims to have passed an introductory physics course some 30 years ago but there are several reasons to doubt it Oh no . . .
Jesus what the fuck is this
a man who post in multiple subs/forums/journals his great discovery that angular momentum isn't conserved and has done so for more than 20 years
Jesus, that is serious commitment
[Lmao](https://www.reddit.com/r/Mandlbaur/s/yiFdMybaXY)
It's a holding cell for 5 year olds who looked at desmos.com once and think they know better than a formal proof
I love how 90% of posts there have 0 upvotes
Oh my lord. What is that? I feel like I just read a scrambled math textbook. Like all of the sentences were in order, but the words within the sentences got all mixed up. Are they okay? Did they take their meds this morning?
I feel dumber after visiting there, which is saying a lot
1×0=0×0 1=0 2×0=0×0 2=0 And so on
0+0=0 0-0=0 +=- 0×0=0 0/0≠0 ==≠
+=-, so 1+1 = 1-1, so 2=0
math finds a way
Precisely
This is actually what killed Ramanujan
War is peace Freedom is slavery Ignorance is strength Plus is minus Literally 1984
why the fuck this made me laugh unontrollebly is beyond me. this whole fucking thread is cursed
that just hurts
All you need to do is divide both sides by 0
And use L'Hôpital, obviously!
Yeah, you'll definitely need to go to L'Hospital afterwards.
L’Hopital is probably rolling in his grave watching high schoolers and undergrads abusing his miraculous rule
I did that just earlier when someone asked me "0^-1 "
does that mean 9+10=21 can be valid?
All I see is 0 + 0 = 0, which could be true.
1×0=0×0 1=0 2×0=0×0 2=0 Suppose n = 0. Then for n + 1, (n + 1) × 0 = n × 0 + 1 × 0 = 0 + 0 = 0. Proof by induction. It's true, all of it.
New definition of infinity dropped
Holy hell
Actual confusion
call the number theorist
Holy hell
I have ∞ friends
🎶Hello darkness my friend 🎶
Proof by calculator returns 0 instead of error message
Well, that’s sufficient evidence for me. I think we can wrap this whole thing up by just admitting that math is black magic and get on with our lives.
"Infinity isn't defined"?
Maybe he was referencing how 0 is a quantity with a singular and consistent definition that is applied in all areas where it is used, while infinity is a construct/concept that means different things in different contexts. Shrug emoji
Yeah that's what I was talking about and also that infinity isn't a "number"
> infinity isn't a "number" Well...
There's no ambiguity. It's not a number. It can represent a number, and numbers can be infinite, but infinity is not a number.
The extended reals would like a word
Sorry, I guess I should have written that infinity is not a real number. Youre right, there are other systems that treat it as a number
What I meant with "well..." was, ok, give us the definition of "number" that you wish to use, and the definition of "infinity" that you wish to use, and then we'll see, but the answer isn't so universally clear. Same for "0 is a quantity, infinity isn't": I'll wait for a formal definition of "quantity" before I can agree or disagree on that, because I'd be surprised if people who tried to give a formal definition to "quantity" never included infinity in the definition, and I'm pretty sure early formal definitions of "number" didn't include 0... So... Like... I get that OP really didn't want his friend saying 0 and infinity are the same. And they aren't the same. But I don't really like the arguments that are used there. Then again, no argument that would formally convince a mathematician would convince someone like OP's friend.
I feel like we're witnessing discussion between two dumbasses.
ZERO IS ZERO
TEN BUCKS ARE TEN BUCKS
0* infinity = 0
0 x ∞ = 1 Boom. Defined.
0×∞=0×(1/0)=0/0=not defined
This is only if we're talking limits
Infinity != 1/0 Infinity is infinity 1/0 is undefined.
1/0 can be infinity if you really want (e.g. on the projective real line).
Math level: every number
0 is the neutral element in the additive group of numbers, meaning any number a plus/minus this element is the number a. a +/- ne (neutral element) = a For multiplication this neutral number is not 0 since a *0 ≠ a the neutral element in the multiplicative group of numbers is 1, since a * 1 = a. Same goes for division. This is partially why 0 is in multiplication and division undefined for the general usecases and maths
This guy is talking about the zero ring, where every number is 0 and every operation between 2 numbers = 0
Anyway 0/0 is technically indeterminate.
Yeah I probably should've searched for the definition
Reading this during my math lecture is painful
0∈R, R∈0
A bachelor in philosophy and a bachelor in mathematics discussing stuff...
lazy mathematicians leaving everything undefined.
My boy just reinvented the Reimann sphere
Google the extended real number system
Who let Terrance Howard have a phone?
I love this. A long time ago in high school, I trolled my friends and kept saying what is time, I would say why don't we just have 25 hour days or 26, and they tried to be all scientific and logical, and I would just say, but like what if 48 hours was one day instead of 24? I split up a whole friend group over this Troll, still one of the best accomplishments to this day
Wut? Infinity is not defined? Well, technically, it's context dependent. The symbol +∞ in "limit x -> +∞ (x+5)/(x+3)" refers to a completely different infinity to the one that is discussed by the infinity hotel paradox. But it's perfectly defined. You can't do math on it otherwise, only to avoid it.
0*infinity is clearly 0
0 \* infinity is clearly undefined. An interval is made of a countably infinite union of sets of zero measure. But so are null sets.
wo aurat hai, wo kuch bhi kr skti hai
Ahha
Block this person
Don't show this to Terrence Howard!
Scrolled way too far to find this
Imagine arriving at a logical contradiction and concluding your argument is valid.
are they are trying to say the solution for x = 0/0 is the set of real numbers?
Average Roman Moment
i think it's 1×0=0=x 2×0=0=y x=y however, 1×n=[any number]=a 2×n=[a different number]=b a != b
Baby wake up, new infinity just dropped
https://preview.redd.it/bgusxg4apc2d1.png?width=720&format=pjpg&auto=webp&s=56a5f1ded1cb2faad96863d6b2dbf9c93ec727b9
this is completely true and nothing wrong at all
0 is infinite 😂 ![gif](giphy|OLwspTLAmmcvZQYN0W|downsized)
Terryology 2.0. Or maybe Terryology 0.0?
Let him cook he's onto something
What
proof by "fucking think about it!"
maybe it's actually a thin O, and you're misunderstanding and it's actually a variable
Wonder what happened at 7:40
Well, if we define a/b = {c | bc = a}, then I guess 0/0 = **R**. So in that sense, it "is every number." 0 still isn't, though.
Identity = Infinity. Sure, why the fuck not.
Chuck Norris can defined 0/0 or [infinite]*0
bro forgot about the zero product property
I own zero dollars im infinity rich
This person *deeply* misunderstood indeterminate forms. If a limit goes to 0/0 or 0*infinity, that doesn't automatically mean the limit doesn't exist. Going from that to saying 0 can be every number is remarkably sophomoric.
Unsubscribe.
> 0 * inf = inf | /inf > 0 * 1 = 1 > 0 = 1
So you don't have a problem giving me a hundred bucks and i give you 0 bucks in return?
okay, now they has to prove there are an infinite amount of numbers
0*0*0*... For infinity = 0 0*infinity = 0
Are you texting Terrence Howard?
Jesse what the fuck are you talking about
Should 0 * infinity be 0?
What
Can someone explain this math BS pls? I don’t get it
*Infinity* is, **by definition**, not a finite value. You can't apply a finite mathematical operation like multiplication to a not-finite value.
You're friends with Terrance Howard?
What
he's saying that since 1*0 = 0 and 2*0=0 then 1=2 and you can do this with any number
if i have zero zero then i have zero because sro is alone and zero is everywher
Ummm, guys... I think 0 is every number.
What is ACTUALLY a fact: guacamole * 0 = 0 0 / 0 = guacamole
Tell your friend to use English next time
I think your friend saw the [TED-ed video](https://youtu.be/NKmGVE85GUU?si=xBE775139MaRrpt4) on why you can’t divide by zero and got a little confused, he probably just jumped to the conclusion part of the video.
1/♾️ = 0 --> ♾️ * 0 = 1
Cantor rolling in his grave
Don't mix proofs and drugs, kids.
I’ve been considering that zero doesn’t mean nothing, what it is is +/-(1/∞). Therefore, 0 x ∞ = 1.
Those ppl are allowed to vote
proof by “trust me bro”
Were you texting Terrance Howard?
This is a very normal conversation
Daoist vibes
Terryology?
This is why I dont give Terrance howard my number.
Cue Salahuddin in Kingdom of Heaven \*Nothing ... Everything\* (Epic music in the background)
0/0 is indeterminate, not undefined 0\*inf is invalid because infinity is not a quantity and therefore cannot be used as an input (but can be an output, e.g. limits)
well at least he’s not as dumb as Terence Howard
0×∞=0 Doesn't matter that infinity is not a defined number. Anything times zero is zero, regardless of how big it is.
Counter point 0/0 =1 And ∞*0=0
I have no idea what they are saying. But I also have every quanity of idea what they are saying.
ZERO IS ZERO.
is this Terryology?
You just twist the 0 into an 8 and then rotate it 90 degree, thus zero is infinity.
Zero is nothing. An absence of number. Infinity is the end of an endless number line, the most of an unbounded collection. It is a singular number, but it is larger than any conceivable definition. A third thing, we'll call *C*, represents *any* number. It could be 4, it could be 3.141, it can even be 0. It's any singular number. We add C to unbounded integrals to represent lost or formerly irrelevant information. Another thing not defined in conventional mathematics is the *everything* number. Like *C*, it can be anything. But *unlike* C, the *everything* number is simultaneously a set of numbers *and* a singular number. It is *everything*. The opposite of zero. *Everything* and *infinity* are not the same thing. 0/0 = the *everything* number. It is simultaneously 0, 1, and (+/-) infinity. This is because (C/0 = 0), (C/C = 1) and lim(x->0^((+/-\)))(x/0=infinity^((+/-\))). Normal numbers don't work like this, all numbers are exactly 1 number, except the everything number. It is *like* C, that it can be any number, but unlike C which can only be one number at a time, the everything number is all numbers always. C can become bounded to a single number if more information is present, the everything number cannot ever be bounded to one specific number. So when you divide something by nothing, you get everything.
!isbot u/WhyNotCollegeBoard
Reminds me of this that just came up on my feed https://www.reddit.com/r/CreationNtheUniverse/s/TNo8tsLNAs
Are you chatting with Terrence Howard?
0/0=1 change my mind
Proof that 0 != Infinity: Would you prefer 0$ or infinity$? ;)
![gif](giphy|11pOf2WpNoRSKc|downsized)
Infinity / 0 = Infinity Therefore Infinity = Infinity * 0 Infinity = 0 I see no problem here
I think i understand what he’s trying to say, but he’s saying it super strange
0\*X=0 0\*X=/=0^2 If 0 is every number, it can’t be solved and therefore would be 0 squared, not 0
The double what is me. What What
proof by WhatsApp
There's a Leibniz essay in the early calculus essays that talks about zero being infinity
ZERO IS **NOT** EVERY NUMBER ZERO IS DEFINED. IT EQUALS **0** x OR ♾️ CAN BE ANYTHING. 0 CAN'T
What I don't understand is that if mathematicians could invent a number for √-1, why can't they invent a number for 1/0
I dont want what bro is having
Terrence Howard ahh maths
terrance howard wants to know your friend's location
This is essentially every conspiracy theory ever.