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def definition def or abbrev

IsUnitary

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formal statement (Lean)

  24def IsUnitary (U : Matrix m m α) : Prop :=

proof body

Definition body.

  25  U.conjTranspose * U = 1 ∧ U * U.conjTranspose = 1
  26
  27/-- A matrix is **normal** if it commutes with its conjugate transpose. -/

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