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structure definition def or abbrev

SpecifiabilityClosureCert

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formal statement (Lean)

  91structure SpecifiabilityClosureCert (K : Type*) [Nonempty K] : Prop where
  92  equivalence :
  93    (∃ x y : K, x ≠ y) ↔ Nonempty (NontrivialSpecification K)
  94
  95/-- The specifiability closure certificate is theorem-backed. -/

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