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boderam

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**Second Law of Thermodynamics - Postulate or Provable??**

I know that the 2nd law of thermodynamics is considered an experimental fact, but I have yet to find any sort of structure when I see a discussion of the law via proving it as a theorem. I know there are mathematical formulas that express the law, but are any of them derivable in the way that the conservation of momentum is derived from Newton's laws, i.e. from first principles?