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theorem proved term proof

exactCost_eq

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formal statement (Lean)

  68theorem exactCost_eq (t : ℝ) : exactCost t = Real.cosh t - 1 := rfl

proof body

Term-mode proof.

  69
  70/-- The enhancement factor satisfies: exactCost = coshEnhancement · perturbativeCost
  71for t ≠ 0. This is the fundamental coupling identity. -/

depends on (10)

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