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Posted

I don't think 0.999... = 1. If 0.999... = 1, then 1 - 0.999... = 0. But, it does not turn out to be 0. Instead, it turns out to be infinitesimal. If 0.999... = 1, it would be 0.

What do you think? Does 0.999 recurring equal one?

Posted

I don't think 0.999... = 1. If 0.999... = 1, then 1 - 0.999... = 0. But, it does not turn out to be 0. Instead, it turns out to be infinitesimal. If 0.999... = 1, it would be 0.

What do you think? Does 0.999 recurring equal one?

Yes. "Infinitesimal" is not a number.

Posted (edited)

 

Does 0.999 recurring equal one?

Of course it does:

 

 

But, it does not turn out to be 0. Instead, it turns out to be infinitesimal.

 

How does "infinitesimal" differ from 0?

If you think that 0.999... is not equal to 1, perhaps you could write down the exact value of the difference.

 

0.000... = 0/9

0.111... = 1/9

0.222... = 2/9

0.333... = 3/9 (1/3)

etc.

0.888... = 8/9

0.999... = 9/9 = 1

Edited by Strange
Posted
!

Moderator Note

Endercreeper, I have moved this to Speculations.you are going to need to do a better job of proving your claim here, as well as why the current proofs for why 0.999... = 1 are not correct. Again, this will be closed if you don't comply. You should also be warned that you are wearing our patience very thin with these sorts of threads.

Posted

 

 

How does "infinitesimal" differ from 0?

If you think that 0.999... is not equal to 1, perhaps you could write down the exact value of the difference.

 

0.000... = 0/9

0.111... = 1/9

0.222... = 2/9

0.333... = 3/9 (1/3)

etc.

0.888... = 8/9

0.999... = 9/9 = 1

An infinitesimal differs from 0 because if you have an infinite sum of an infinitesimal (an integral), you don't get 0. Infinitesimals have a value.

I think I might have been wrong on how 0.999... does not equal 1, since 9 * 0.111... = 9 * 1/9 = 1 = 0.999...

Posted

I don't think 0.999... = 1. If 0.999... = 1, then 1 - 0.999... = 0. But, it does not turn out to be 0. Instead, it turns out to be infinitesimal. If 0.999... = 1, it would be 0.

What do you think? Does 0.999 recurring equal one?

Before anything, answer this question.

 

Do you agree that [math]\lim_{n \to \infty }\frac{1}{n}=0[/math]?

Posted (edited)

Infinitesimals have a value.

Not a value as a real number, other than zero.

Edited by ajb
Posted

I don't think 0.999... = 1. If 0.999... = 1, then 1 - 0.999... = 0. But, it does not turn out to be 0. Instead, it turns out to be infinitesimal. If 0.999... = 1, it would be 0.

What do you think? Does 0.999 recurring equal one?

"I don't think 0.999... = 1. "

You are mistaken.

"If 0.999... = 1, then 1 - 0.999... = 0. "

And it is, because

1-0.9999... = zero exactly

" But, it does not turn out to be 0."

Yes it does.

You based that idea on a mistake.

"it turns out to be infinitesimal."

No, it turns out to be zero.

 

". If 0.999... = 1, it would be 0."

And it is, so it is.

 

"Does 0.999 recurring equal one?"

Yes.

 

So, it doesn't matter what an infinitesimal is, nor what value it has because 1-0.999... isn't one.

 

Since this whole thread was based on a mistake, (now corrected "I think I might have been wrong on how 0.999... does not equal 1, since 9 * 0.111... = 9 * 1/9 = 1 = 0.999...") can we close the thread to avoid repetition?

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