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def definition def or abbrev

DefectCollapse

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formal statement (Lean)

  53def DefectCollapse (x : ℝ) : Prop := 0 < x ∧ defect x = 0

proof body

Definition body.

  54
  55/-! ## Core Equivalence Theorems -/
  56
  57/-- **Defect Zero Characterization**: defect(x) = 0 ⟺ x = 1 (for x > 0). -/

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