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Math? Which physical laws/equations need infinity? Or do they just need "as x approaches infinity"?

But regardless, my only point was that in the real world everything is countable. The number of atoms in the sun, the distance to anywhere, the age of the universe, etc. Everything real is countable.



> Math? Which physical laws/equations need infinity?

Pretty much all of them are phrased in the language of differential equations.

Perhaps some can be salvaged through finitist approaches, but that seems far from certain or trivial.




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