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Theorems · Theorem · several complex variables

analyticAt_inv

∀ {𝕜 : Type u_2} [inst : NontriviallyNormedField 𝕜] {𝕝 : Type u_8} [inst_1 : NormedDivisionRing 𝕝]
  [inst_2 : NormedAlgebra 𝕜 𝕝] {z : 𝕝}, z ≠ 0 → AnalyticAt 𝕜 Inv.inv z

If 𝕝 is a normed field extension of 𝕜, then the inverse map 𝕝 → 𝕝 is 𝕜-analytic away from 0.

Defined in
Mathlib.Analysis.Analytic.Constructions
Cited by
3 results in Mathlib
Foundations
Depth 190 from the axioms · uses propext, Classical.choice, Quot.sound
Assumes
NontriviallyNormedFieldNormedDivisionRingNormedAlgebra

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