/sci/ - Science & Math » Thread #12244252

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Anonymous Sun 18 Oct 04:39:16 2020 No.12244252 View Reply Original Report

Quoted By: >>12244345 >>12244352 >>12244395 >>12244494 >>12244521 >>12244585 >>12245045

>0.99999 is the same thing as 1 because 1 is the soup of the set containing 0.9, 0.99,...
>what do you mean this isn't rigorous and i cant just group an infinite amount of numbers together??? I just did!

???

??? Sun 18 Oct 2020 04:41:17 No.12244257 Report

Quoted By:

do you think she has good “head game” with that great gayping maw of hers?

Anonymous

Anonymous Sun 18 Oct 2020 05:05:57 No.12244345 Report

Quoted By: >>12244362

>>12244252
Are you the guy who told me you don't believe in thirds?

Do you believe in equilateral triangle?

Anonymous

Anonymous Sun 18 Oct 2020 05:09:18 No.12244352 Report

Quoted By:

>>12244252
>this isn't rigorous
please explain why. of course it can be made rigorous.

Anonymous

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Anonymous Sun 18 Oct 2020 05:12:18 No.12244362 Report

Quoted By: >>12244367 >>12244374 >>12244416

>>12244345
>3 equal sides
>let's put them alongside one another and then try to infinitely measure them as parts of 1 line we say is equal to them all
>we totally cant but let's just say .3333... is the same thing as 1/3 because reasons

Anonymous

Anonymous Sun 18 Oct 2020 05:15:01 No.12244367 Report

Quoted By:

>>12244362
>we totally cant
why not?
is your point just that numbers do not exist to infinite precision, only to an error?

Anonymous

Anonymous Sun 18 Oct 2020 05:16:10 No.12244374 Report

Quoted By:

>>12244362
>be in a different base
>do division
>infinite decimal representation
division is bull shit
rational numbers are based on infinity bullshit.

Anonymous

Anonymous Sun 18 Oct 2020 05:22:42 No.12244395 Report

Quoted By: >>12244405

>>12244252
Two proofs:

Via Cauchy sequences:

0.999... = (0.9, 0.99, 0.999,...) = lim as n-> inf of 1-1/10^n = 1

Via Dedekind cuts:

Assume to contradiction that x is a rational number such that

0.999... < x < 1

0.999... is greater than any finite string of 9s so for any natural number n

1-1/10^n < 0.999... < x < 1

1-x < 1/10^n

10^n < 1/(1-x)

n < log(1/(1-x))

Let n = ceiling(log(1/(1-x)))+1

ceiling(log(1/(1-x)))+1 < log(1/(1-x))

This is a contradiction, so x does not exist and 0.999... = 1.

Anonymous

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Anonymous Sun 18 Oct 2020 05:25:29 No.12244405 Report

Quoted By: >>12244419

>>12244395
>...And I proved it with a limit!

Anonymous

Anonymous Sun 18 Oct 2020 05:27:48 No.12244416 Report

Quoted By: >>12244420

>>12244362
no i'm pretty sure you said that you can't divide anything into equal thirds "even in theory". So since all the sides are one third of the perimeter, and all the angles are one third of the 180. You don't believe in equilateral triangle?

Anonymous

Anonymous Sun 18 Oct 2020 05:28:25 No.12244419 Report

Quoted By: >>12244425 >>12244429

>>12244405
Not an argument, you lose.

Anonymous

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Anonymous Sun 18 Oct 2020 05:29:16 No.12244420 Report

Quoted By: >>12244446

>>12244416
>everyone who posts basedjak is the same

Anonymous

Anonymous Sun 18 Oct 2020 05:30:10 No.12244425 Report

Quoted By: >>12244435 >>12245042

>>12244419
Limits aren't real

Anonymous

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Anonymous Sun 18 Oct 2020 05:31:14 No.12244429 Report

Quoted By: >>12244435

>>12244419
>Not an argument
>limits
>Cauchy sequences
>"proof" by contradiction

Anonymous

Anonymous Sun 18 Oct 2020 05:32:59 No.12244435 Report

Quoted By: >>12244451 >>12244452

>>12244425
1 is not real?

>>12244429
No argument, you lose again.

Anonymous

Anonymous Sun 18 Oct 2020 05:35:45 No.12244446 Report

Quoted By:

>>12244420
Ok, it totally wasn't you, I believe you. So we can divide things into thirds? Just making sure.

Anonymous

Anonymous Sun 18 Oct 2020 05:36:46 No.12244451 Report

Quoted By: >>12244486

>>12244435
One is real, the other one is fake

Anonymous

Anonymous Sun 18 Oct 2020 05:36:46 No.12244452 Report

Quoted By: >>12244495

>>12244435
>Dont agree with my faulty reasoning?
>heh, let me just introduce some axioms of impossible things that say I win better luck next time

Anonymous

Anonymous Sun 18 Oct 2020 05:49:04 No.12244486 Report

Quoted By: >>12244528

>>12244451
So limits are real.

Anonymous

Anonymous Sun 18 Oct 2020 05:50:02 No.12244494 Report

Quoted By:

>>12244252
1/inf=0

Anonymous

Anonymous Sun 18 Oct 2020 05:50:06 No.12244495 Report

Quoted By: >>12244497

>>12244452
It appears you agree since you have failed to argue against it three times.

Anonymous

Anonymous Sun 18 Oct 2020 05:51:06 No.12244497 Report

Quoted By: >>12244498

>>12244495
Ok trolling aside are you autistic or reverse trolling? I cant tell desu

Anonymous

Anonymous Sun 18 Oct 2020 05:51:49 No.12244498 Report

Quoted By: >>12244501 >>12244504

>>12244497
Thank you for agreeing that 0.999... = 1

Anonymous

Anonymous Sun 18 Oct 2020 05:53:12 No.12244501 Report

Quoted By: >>12244504 >>12244507

>>12244498
So I take it you are autistic?

Anonymous

Anonymous Sun 18 Oct 2020 05:53:47 No.12244504 Report

Quoted By: >>12244507 >>12244518

>>12244501
See >>12244498

Anonymous

Anonymous Sun 18 Oct 2020 05:54:24 No.12244507 Report

Quoted By: >>12244518

>>12244504
See>>12244501

Anonymous

Anonymous Sun 18 Oct 2020 06:00:12 No.12244518 Report

Quoted By:

>>12244507
See >>12244504

Anonymous

Anonymous Sun 18 Oct 2020 06:01:29 No.12244521 Report

Quoted By:

>>12244252
>I'm too stupid to understand how math actually works, so I'll post a wojak meme to make fun of people who know better than me on this subject.
Truly OP is the greatest debater of our era.

Anonymous

Anonymous Sun 18 Oct 2020 06:05:37 No.12244528 Report

Quoted By: >>12244649

>>12244486
.9999999999999999999999999999999999999999999........
Is fake. One is real. One ends one doesn't. How does something not end

Anonymous

Anonymous Sun 18 Oct 2020 06:36:45 No.12244585 Report

Quoted By:

>>12244252
1/9 = 0.111...
+
8/9 = 0.888...
=
9/9 = 0.999...

Anonymous

Anonymous Sun 18 Oct 2020 07:05:59 No.12244649 Report

Quoted By: >>12244972 >>12244974

>>12244528
One isn't real either. Show me a one. You can find one of something. But you can't just find a "one". It's not real.

Anonymous

Anonymous Sun 18 Oct 2020 07:58:12 No.12244742 Report

Quoted By:

https://www.youtube.com/watch?v=r5DHquP1HWU

Anonymous

Anonymous Sun 18 Oct 2020 10:05:48 No.12244972 Report

Quoted By: >>12244977 >>12244994

>>12244649
You need to watch more sesamy street

1

Anonymous

Anonymous Sun 18 Oct 2020 10:08:31 No.12244974 Report

Quoted By:

>>12244649
>category theory

Anonymous

Anonymous Sun 18 Oct 2020 10:08:59 No.12244977 Report

Quoted By:

>>12244972
that's a symbol we made up to represent the idea, it's not the number itself

Anonymous

Anonymous Sun 18 Oct 2020 10:17:08 No.12244994 Report

Quoted By:

>>12244972
Those are some pixels.

Anonymous

Anonymous Sun 18 Oct 2020 10:53:09 No.12245042 Report

Quoted By: >>12245048

>>12244425
Decimal notation presupposes limits. If you don't like limits, you should avoid notations like "0.999...".

Anonymous

Anonymous Sun 18 Oct 2020 10:57:37 No.12245045 Report

Quoted By:

>>12244252
>sci tries to wrap their head around significant figures, the thread

Anonymous

Anonymous Sun 18 Oct 2020 10:59:37 No.12245048 Report

Quoted By:

>>12245042
I can't I am a stem major :(. The aether is real btw. I believe

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