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theorem proved term proof

defectDist_self

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formal statement (Lean)

 313theorem defectDist_self (x : ℝ) (hx : 0 < x) : defectDist x x = 0 := by

proof body

Term-mode proof.

 314  unfold defectDist
 315  rw [div_self (ne_of_gt hx)]
 316  exact J_at_one
 317
 318/-- **PROVED: Defect distance is symmetric.** -/

depends on (10)

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