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Theorems · Theorem · commutative algebra

smoothingSeminorm_map_one_le_one

∀ {R : Type u_1} [inst : CommRing R] (μ : RingSeminorm R) (hμ1 : μ 1 ≤ 1) (hna : IsNonarchimedean ⇑μ),
  (smoothingSeminorm μ hμ1 hna) 1 ≤ 1

If μ 1 ≤ 1 and μ is nonarchimedean, then smoothingSeminorm μ 1 ≤ 1.

Defined in
Mathlib.Analysis.Normed.Unbundled.SmoothingSeminorm
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Foundations
Depth 212 from the axioms · uses propext, Classical.choice, Quot.sound
Assumes
CommRing

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