Is 2+2=5 Possible in Physics?

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The discussion revolves around the humorous assertion that "2 + 2 = 5" when considering "large values of 2." Participants clarify that this notion is not mathematically valid, emphasizing that 2 is a fixed number and cannot be altered. The conversation touches on abstract mathematical concepts, such as linear time-invariant systems and transformation vectors, where some argue that under certain theoretical conditions, approximations might suggest this equation holds. However, the consensus is that the original statement is a joke with no real physics or mathematics supporting it. The dialogue also explores the idea of interpreting numbers in unconventional ways, but ultimately reiterates that 2 remains 2, regardless of context.
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some people says that for the large values of 2
2+2=5
is it really true. I mean what is the physics behind this equation.
yours sincerely,
sancho,
 
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Large values of 2?? Huh?? 2+2\neq 5
 
sancho2007 said:
some people says that for the large values of 2
2+2=5
is it really true. I mean what is the physics behind this equation.
yours sincerely,
sancho,

That is an old joke. It's not true. "Large values of 2" means nothing.
 
but 2 has large value sometimes. why not?
sometimes some experimental parameters also have large values?
 
sometimes some experimental parameters also have large values?

Yes, and if it has a value greater than two, it just might sum with itself to 5. The actual equation is meaningless though
 
But 2 is not a "parameter"-- it is a number, and thus takes only the value 2!
 
There is no physics nor is there any math behind that statement. It is simply an old joke.
 
Well, when you take the cross product of the transformation vector in R^n and assume a linear time invariant system then the approximation that 2+2=5 holds in the limit that alpha approaches infinity.
 
sancho2007 said:
but 2 has large value sometimes. why not?

Why not? Because 2 isn't a baloon in the shape of number 2 which gets large sometimes because we blow it up some more. :biggrin:

cyrusabdollahi said:
Well, when you take the cross product of the transformation vector in R^n and assume a linear time invariant system then the approximation that 2+2=5 holds in the limit that alpha approaches infinity.

You forgot about the key assumption about the invariant approximation tensor and about the uniform convergence of the gamma-series generated by non-uniform hybrid Laplace members.
 
  • #10
2.3+2.3=4.6 = 5 for 1 sig dig? lol is that maybe what he is getting at? In any case I don't think there is any physics behind this equation

(This is a desperate attempt to try to understand what he meant by "large values of 2" lol)
 
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  • #11
radou said:
Why not? Because 2 isn't a baloon in the shape of number 2 which gets large sometimes because we blow it up some more. :biggrin:



You forgot about the key assumption about the invariant approximation tensor and about the uniform convergence of the gamma-series generated by non-uniform hybrid Laplace members.

Ah yes, of course. Only when the skew-symmetric, non-invertible mass-matrix is in place, or det(A)=cross(J,F).
 
  • #12
cyrusabdollahi said:
Well, when you take the cross product of the transformation vector in R^n and assume a linear time invariant system then the approximation that 2+2=5 holds in the limit that alpha approaches infinity.

:approve: Damn.. forgot about that. Good spot, cyrus.
 
  • #13
lol

text
 
  • #14
cyrusabdollahi said:
Ah yes, of course. Only when the skew-symmetric, non-invertible mass-matrix is in place, or det(A)=cross(J,F).

Which implies an obvious isomorphism between Schmidt's dihedral group and the group od positively definite inertia matrices spanned by Van der Haagen's dual basis.

This would be the complete frame-set of the problem.

Now we're talking.
 
  • #15
I think what they are getting at is that since 3 is a large value of 2 and 3 + 3 = 5 (for small values of 3), therefore 2 + 2 = 5.
 
  • #16
cyrusabdollahi said:
Well, when you take the cross product of the transformation vector in R^n and assume a linear time invariant system then the approximation that 2+2=5 holds in the limit that alpha approaches infinity.

:smile: :smile:
 
  • #17
jimmysnyder said:
I think what they are getting at is that since 3 is a large value of 2 and 3 + 3 = 5 (for small values of 3), therefore 2 + 2 = 5.

Exactly. A typical example of diophantine isoparallelism induced by general invariancy.
 
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