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Y + 2 = Y ... Anyone have the answer?

 
Anonymous Coward
User ID: 19217658
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07/06/2012 03:15 AM
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Re: Y + 2 = Y ... Anyone have the answer?
Is that possible?
 Quoting: Haelo


For Y = 1 to 10
Let Y = Y + 2
Next Y
End
 Quoting: Anonymous Coward 2145552


old school basic, anyone??
Anonymous Coward
User ID: 1885697
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07/06/2012 03:54 AM
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Re: Y + 2 = Y ... Anyone have the answer?
So this I know something about, and most the previous responses are on the right track. The problem with 2+y=y is the = sign. Its simply not an equality.

Proof: Dividing y

(2+y)/y = y/y

2/y +1 =1

2/y = 0
....

Dividing by (y+2)
(2+y)/(2+y) = y/(2+y)

1= y/2 +1

0 = y/2

therefore... 2/y = y/2

multiply by y.... 2/y= y/2

if y = infinity, then 0 = infinity.

0 does not equal infinity...

That why it became to introduct limits.

The limit of 2/(y+2) as y ---> infinity does = zero.

Sorry I dont feel like figuring out how to enter the sigma sign indicating limit with the correct nomenclature. However, it is a good question as it forms a basis for calculus which utilizes infinity and 0 in order to analyze the change of variables impacting the output of the formula function. Go wiki calculus and you'll see, its all about the core of the OPs inquiry.
 Quoting: whydidubanme 18671699


Ok why did I just think the same exact thing?
Anonymous Coward
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07/06/2012 04:08 AM
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Re: Y + 2 = Y ... Anyone have the answer?
"0+2=1, race that to the finish line at a dead run"

NOMEANSNO
Anonymous Coward
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07/06/2012 04:15 AM
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Re: Y + 2 = Y ... Anyone have the answer?
2 = (y - 2)
 Quoting: Tantalus
Anonymous Coward
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07/06/2012 05:17 AM
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Re: Y + 2 = Y ... Anyone have the answer?
subtract y from each side of the equation and you get
"2 does not equal 0" so it is invalid
 Quoting: Anonymous Coward 19203755


Yes it is simply an invalid equation, pulled from someones ass.

like saying 4=7. Its bullshit.
 Quoting: Dr.DoomLittle


You are correct to say the equation is bullshit however in mathematics we don't say that. What we say is Y+2=Y as long as 2=0, by subtracting Y from both sides, which is never, and so therefore the original equation is never true. Certainly there will be some yards who say hey what about infinity, infinity plus two equals infinity, but infinity is not a real number and therefore you are not allowed to use it as an answer.
Anonymous Coward
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07/06/2012 05:27 AM
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Re: Y + 2 = Y ... Anyone have the answer?
Y is not a number.
Anonymous Coward
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07/06/2012 05:31 AM
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Re: Y + 2 = Y ... Anyone have the answer?
2=0
The Scientist
Time flies but aeroplanes crash

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07/06/2012 05:37 AM

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Re: Y + 2 = Y ... Anyone have the answer?
Y increases by two so cannot equal Y

Y + 2 != Y

It's addition so Y has to change by 2 thus is no longer Y
 Quoting: Anonymous Coward 1506508


This is the correct answer.
The Scientist
Time flies but aeroplanes crash

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07/06/2012 05:40 AM

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Re: Y + 2 = Y ... Anyone have the answer?
There are different values of infinity.
 Quoting: Anonymous Coward 2181307


This is also a correct statement.
Brian Moser

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07/06/2012 05:45 AM
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Re: Y + 2 = Y ... Anyone have the answer?


5a
Anonymous Coward
07/06/2012 06:12 AM
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Re: Y + 2 = Y ... Anyone have the answer?
Y increases by two so cannot equal Y

Y + 2 != Y

It's addition so Y has to change by 2 thus is no longer Y
 Quoting: Anonymous Coward 1506508


This is the correct answer.
 Quoting: The Scientist


You are incorrect.

There are cases where Y = Y + 2.

One could take the derivative of both sides, with respect to Y, and the result would be true.
T-Man

User ID: 1285189
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07/06/2012 06:20 AM

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Re: Y + 2 = Y ... Anyone have the answer?
I've invented a new numeral, W, and W works the same way 2 x(times) 1 = 2. Only you replace the x(times) with a +.

So now, let Y = W

W + 2 = W

therefore,

Y + 2 = Y

or we can make the 2 into a 2/2 and that equals one.

see arent dictatorships fun?



done and done.

accept and you'll recieve the appropriate social reinforcement,

deny and you will be arrested and punished accordingly.
 Quoting: Dr.DoomLittle


makes no sense what so ever.

2 = 2/2 ? wtf man
The Scientist
Time flies but aeroplanes crash

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07/06/2012 06:24 AM

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Re: Y + 2 = Y ... Anyone have the answer?
Y increases by two so cannot equal Y

Y + 2 != Y

It's addition so Y has to change by 2 thus is no longer Y
 Quoting: Anonymous Coward 1506508


This is the correct answer.
 Quoting: The Scientist


You are incorrect.

There are cases where Y = Y + 2.

One could take the derivative of both sides, with respect to Y, and the result would be true.
 Quoting: Wonkish


No..you are incorrect, Y+2 can never be Y regardless of how you present it Y + something is always more than Y even when Y is infinity.

If you can prove otherwise you will probably get a nobel prize..Good luck :-)

Last Edited by The Scientist on 07/06/2012 06:24 AM
Anonymous Coward
07/06/2012 06:26 AM
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Re: Y + 2 = Y ... Anyone have the answer?
Y increases by two so cannot equal Y

Y + 2 != Y

It's addition so Y has to change by 2 thus is no longer Y
 Quoting: Anonymous Coward 1506508


This is the correct answer.
 Quoting: The Scientist


You are incorrect.

There are cases where Y = Y + 2.

One could take the derivative of both sides, with respect to Y, and the result would be true.
 Quoting: Wonkish


No..you are incorrect, Y+2 can never be Y regardless of how you present it Y + something is always more than Y even when Y is infinity.

If you can prove otherwise you will probably get a nobel prize..Good luck :-)
 Quoting: The Scientist


Are you not familiar with the concept of vacuous truth in mathematics?
Anonymous Coward
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07/06/2012 06:26 AM
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Re: Y + 2 = Y ... Anyone have the answer?


a = input("Enter the lower bound: ")
b = input("Enter the upper bound: ")

for Y in range(a, b):
Y = Y + 2
print Y,


 Quoting: Wonkish


sort of obvious
once you realize what appears to be mathematics
is something else entirely
Anonymous Coward
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07/06/2012 06:27 AM
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Re: Y + 2 = Y ... Anyone have the answer?
(y-y)y = 0 = y2-y2

factor the right side:
y2-y2 = (y-y)(y+y)

factor the left side:
(y-y)y = (y-y)(y+y)


Divide both sides by (y-y)....

y = y+y

1 = 2
Anonymous Coward
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07/06/2012 06:29 AM
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Re: Y + 2 = Y ... Anyone have the answer?
0 the circumference, Nuit
. the center, Hadit
2 the world of illusion



all about the Binomial Reflexion Sequence....
T-Man

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07/06/2012 06:30 AM

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Re: Y + 2 = Y ... Anyone have the answer?
if there would be a sale in a store where you could buy 1 bottle of coke and get 2 for free the equation would be y = y+2

so y = y+2 can be true but only if it is part of a bigger set of rules.
The Scientist
Time flies but aeroplanes crash

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07/06/2012 06:31 AM

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Re: Y + 2 = Y ... Anyone have the answer?
...


This is the correct answer.
 Quoting: The Scientist


You are incorrect.

There are cases where Y = Y + 2.

One could take the derivative of both sides, with respect to Y, and the result would be true.
 Quoting: Wonkish


No..you are incorrect, Y+2 can never be Y regardless of how you present it Y + something is always more than Y even when Y is infinity.

If you can prove otherwise you will probably get a nobel prize..Good luck :-)
 Quoting: The Scientist


Are you not familiar with the concept of vacuous truth in mathematics?
 Quoting: Wonkish


Look , if Y was an empty set or zero, and then you add 2 it becomes 2 and no longer empty so Y which equals the empty set would equal zero not two.

Y cannot be empty after adding 2 so your proposition fails
Anonymous Coward
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07/06/2012 06:34 AM
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Re: Y + 2 = Y ... Anyone have the answer?
(y-y)y = 0 = y2-y2

factor the right side:
y2-y2 = (y-y)(y+y)

factor the left side:
(y-y)y = (y-y)(y+y)


Divide both sides by (y-y)....

y = y+y

1 = 2
 Quoting: Sugarelf


oops....had a typo

equation is ok now....
realpulsar

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07/06/2012 06:38 AM
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Re: Y + 2 = Y ... Anyone have the answer?
y+2=y^2
realpulsar
Anonymous Coward
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07/06/2012 06:41 AM
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Re: Y + 2 = Y ... Anyone have the answer?
y+2=y^2
 Quoting: realpulsar


y = 2
realpulsar

User ID: 17921670
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07/06/2012 06:46 AM
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Re: Y + 2 = Y ... Anyone have the answer?
y+2=y^2
 Quoting: realpulsar


y = 2
 Quoting: Sugarelf



yes i know cose

y=-1

y=2
realpulsar
Anonymous Coward
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07/06/2012 06:48 AM
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Re: Y + 2 = Y ... Anyone have the answer?
y+2=y^2
 Quoting: realpulsar


y = 2
 Quoting: Sugarelf



yes i know cose

y=-1

y=2
 Quoting: realpulsar



yes....all leading to the square root of two....

1.414
Anonymous Coward
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07/06/2012 06:57 AM
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Re: Y + 2 = Y ... Anyone have the answer?
y + 2 = y

y = conspiracy theorists

conspiracy theorists + 2 = conspiracy theorists
Anonymous Coward
07/06/2012 07:28 AM
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Re: Y + 2 = Y ... Anyone have the answer?
...


You are incorrect.

There are cases where Y = Y + 2.

One could take the derivative of both sides, with respect to Y, and the result would be true.
 Quoting: Wonkish


No..you are incorrect, Y+2 can never be Y regardless of how you present it Y + something is always more than Y even when Y is infinity.

If you can prove otherwise you will probably get a nobel prize..Good luck :-)
 Quoting: The Scientist


Are you not familiar with the concept of vacuous truth in mathematics?
 Quoting: Wonkish


Look , if Y was an empty set or zero, and then you add 2 it becomes 2 and no longer empty so Y which equals the empty set would equal zero not two.

Y cannot be empty after adding 2 so your proposition fails
 Quoting: The Scientist


Mathematical logic does not seem to be your strongest point.

Consider a simple conditional statement: If 0 = 1 then 1 =2. If you look at the truth values of this conditional then you must conclude that the statement is true. The statement is vacuously true, but nonetheless true---there is no discrimination between a true statement (T->T, or F->F) and a vacuously true statement (F->T) in mathematics.

Now onto the OP's problem.

If y < y + 2 and y + 2 < y then y = y + 2.

Let p = y < y + 2, q = y + 2 < y, and r = y=y+2

Now we can look at the dichotomous outcomes and determine the falsity of the statement:

(p and q) => r
(T and F) => F
F => F
T

Whenever the antecedent is false the conditional is automatically true. If you do not believe this, then by all means go ahead and construct a truth table and see it for yourself.

Like I said, you must not understand the concept of vacuous truths in mathematics. It's a pity, I would have expected someone with the username "Scientist" to at least have a basic understanding of mathematical logic.
Anonymous Coward
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07/06/2012 11:09 AM
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Re: Y + 2 = Y ... Anyone have the answer?
infinity.
 Quoting: MutantMessiah



That was my guess
 Quoting: Anonymous Coward 1394321


but infinity + 2 cannot equal infinity.
 Quoting: Dr.DoomLittle


It does, no joke.
McFly
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07/06/2012 11:24 AM
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Re: Y + 2 = Y ... Anyone have the answer?
If it's a fonction it can be done. (loop feedback)

y=0 (or wathever number)

if y + 2 = y

if you feedback "y" in the same equation

then y + 2 = 4 and so on...
DUCM900

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07/06/2012 11:51 AM

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Re: Y + 2 = Y ... Anyone have the answer?
I may have fell for a very old troll, but this one is halfway driving me nuts.

Google is no help. Just sarcastic nerd replies.
 Quoting: Borian


it shuold be

2Y
To live is to believe in the power of dreams.
To dream is to believe in the power of love.
To love is to believe in yourself.

Luca 21:28 "Ma quando queste cose cominceranno ad accadere, guardate in alto e alzate i vostri sguardi, perché la vostra liberazione è vicina".
AnonyMouse Howard

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07/06/2012 12:00 PM
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Re: Y + 2 = Y ... Anyone have the answer?
It has been a long time since I took Abstract Algebra but, I think you are in a finite ring where 2 and 0 are both additive inverses.

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