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structure definition def or abbrev

ExistenceUniquenessCert

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formal statement (Lean)

  59structure ExistenceUniquenessCert where
  60  zero_iff_one : ∀ {x : ℝ}, 0 < x → (Jcost x = 0 ↔ x = 1)
  61  unique_member : ∀ {x y : ℝ}, 0 < x → 0 < y →
  62    Jcost x = 0 → Jcost y = 0 → x = y
  63  log_symmetric : ∀ {x : ℝ}, 0 < x → Jcost x = Jcost x⁻¹
  64  isolated : ∀ {x : ℝ}, 0 < x → x ≠ 1 → 0 < Jcost x
  65
  66/-- Existence uniqueness certificate. -/

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