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def definition def or abbrev

isDefinite

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formal statement (Lean)

  71def isDefinite {n : ℕ} (ψ : QuantumState n) : Prop :=

proof body

Definition body.

  72  ∃! i : Fin n, ψ.amplitudes i ≠ 0
  73
  74/-! ## Ledger Model of Quantum States -/
  75
  76/-- A ledger branch represents a potential measurement outcome. -/

depends on (14)

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