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theorem proved term proof

enhancement_symmetric

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formal statement (Lean)

 152theorem enhancement_symmetric (t : ℝ) :
 153    coshEnhancement (-t) = coshEnhancement t := by

proof body

Term-mode proof.

 154  simp only [coshEnhancement, neg_eq_zero, neg_sq, Real.cosh_neg]
 155
 156/-! ## §4. Enhancement near zero: perturbative correction -/
 157
 158/-- Near t = 0, the enhancement deviates from 1 by at most t²/10.
 159Perturbative physics (S ≈ 1) is an excellent approximation at weak coupling. -/

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