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Theorems · Theorem · linear algebra

mem_unitary_iff_isStarNormal_and_realPart_sq_add_imaginaryPart_sq_eq_one

∀ {A : Type u_1} [inst : Ring A] [inst_1 : StarRing A] [inst_2 : Module ℂ A] [SMulCommClass ℂ A A] [IsScalarTower ℂ A A]
  [inst_5 : StarModule ℂ A] {x : A}, x ∈ unitary A ↔ IsStarNormal x ∧ ↑(realPart x) ^ 2 + ↑(imaginaryPart x) ^ 2 = 1
Defined in
Mathlib.LinearAlgebra.Complex.Module
Cited by
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Foundations
Depth 119 from the axioms · uses propext, Classical.choice, Quot.sound
Assumes
RingStarRingModuleSMulCommClassIsScalarTowerStarModule

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