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Theorems · Theorem · functional analysis

ContinuousLinearMap.norm_toSpanSingleton

∀ {𝕜 : Type u_1} {E : Type u_4} [inst : SeminormedAddCommGroup E] [inst_1 : NontriviallyNormedField 𝕜]
  [inst_2 : NormedSpace 𝕜 E] (x : E), ‖ContinuousLinearMap.toSpanSingleton 𝕜 x‖ = ‖x‖
Defined in
Mathlib.Analysis.Normed.Operator.Bilinear
Cited by
11 results in Mathlib
Foundations
Depth 173 from the axioms · uses propext, Classical.choice, Quot.sound
Assumes
SeminormedAddCommGroupNontriviallyNormedFieldNormedSpace

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