Valued.isOpen_integer

∀ (R : Type u) [inst : Ring R] {Γ₀ : Type v} [inst_1 : LinearOrderedCommGroupWithZero Γ₀] [_i : Valued R Γ₀],
  IsOpen ↑Valued.v.integer

The closed unit ball in a valued ring is open.

Defined in: Mathlib.Topology.Algebra.Valued.ValuationTopology
Cited by: 2 results in Mathlib
Foundations: Depth 83 from the axioms · uses propext, Classical.choice, Quot.sound
Assumes: Ring LinearOrderedCommGroupWithZero Valued

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