Theorems · Theorem · functional analysis

Submodule.quotientEquivOrthogonal_symm_eq_mk

∀ {𝕜 : Type u_1} {E : Type u_4} [inst : RCLike 𝕜] [inst_1 : NormedAddCommGroup E] [inst_2 : InnerProductSpace 𝕜 E]
  (K : Submodule 𝕜 E) [inst_3 : K.HasOrthogonalProjection] (x : E) (hx : x ∈ Kᗮ),
  K.quotientEquivOrthogonal.symm ⟨x, hx⟩ = Submodule.Quotient.mk x

Defined in

Mathlib.Analysis.InnerProductSpace.ProdL2

Cited by

0 results in Mathlib

Foundations

Depth 185 from the axioms · uses propext, Classical.choice, Quot.sound

Assumes

RCLikeNormedAddCommGroupInnerProductSpaceSubmodule.HasOrthogonalProjection