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Theorems · Definition · functional analysis

OrthonormalBasis.repr

{ι : Type u_1} →
  {𝕜 : Type u_3} →
    [inst : RCLike 𝕜] →
      {E : Type u_4} →
        [inst_1 : NormedAddCommGroup E] →
          [inst_2 : InnerProductSpace 𝕜 E] → [inst_3 : Fintype ι] → OrthonormalBasis ι 𝕜 E → E ≃ₗᵢ[𝕜] EuclideanSpace 𝕜 ι

Linear isometry between E and EuclideanSpace 𝕜 ι representing the orthonormal basis.

Defined in
Mathlib.Analysis.InnerProductSpace.PiL2
Cited by
61 results in Mathlib
Foundations
Depth 221 from the axioms · uses propext, Classical.choice, Quot.sound
Assumes
RCLikeNormedAddCommGroupInnerProductSpaceFintype

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