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Theorems · Theorem · functional analysis

OrthonormalBasis.repr_self

∀ {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] [inst_4 : DecidableEq ι] (b : OrthonormalBasis ι 𝕜 E) (i : ι),
  b.repr (b i) = EuclideanSpace.single i 1
Defined in
Mathlib.Analysis.InnerProductSpace.PiL2
Cited by
4 results in Mathlib
Foundations
Depth 228 from the axioms · uses propext, Classical.choice, Quot.sound
Assumes
RCLikeNormedAddCommGroupInnerProductSpaceFintypeDecidableEq

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Cited by4

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