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theorem proved term proof

quasiTriangleConstant_eq

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formal statement (Lean)

 369theorem quasiTriangleConstant_eq (M : ℝ) :
 370    2 + J M = (M + 2 + M⁻¹) / 2 := by

proof body

Term-mode proof.

 371  unfold J Jcost
 372  ring
 373
 374/-- Proposition 2.6, local form: on bounded edge-ratios, the defect distance
 375    satisfies the quasi-triangle bound with the paper's constant `K_M`. -/

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