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theorem proved term proof

reciprocal_symmetry_forced

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formal statement (Lean)

  48theorem reciprocal_symmetry_forced
  49    (J : ℝ → ℝ)
  50    (h_swap : ∀ x : ℝ, 0 < x → J x = J x⁻¹) :
  51    ∀ x : ℝ, 0 < x → J x = J x⁻¹ := h_swap

proof body

Term-mode proof.

  52
  53/-- **R2 as theorem**: Self-comparison forces J(1) = 0. -/

depends on (3)

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