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Theorems · Theorem · field theory

Valuation.inversion_estimate

∀ {K : Type u_1} [inst : DivisionRing K] {Γ₀ : Type u_2} [inst_1 : LinearOrderedCommGroupWithZero Γ₀]
  (v : Valuation K Γ₀) {x y : K} {γ : Γ₀ˣ}, y ≠ 0 → v (x - y) < min (↑γ * (v y * v y)) (v y) → v (x⁻¹ - y⁻¹) < ↑γ
Defined in
Mathlib.Topology.Algebra.Valued.ValuedField
Cited by
1 results in Mathlib
Foundations
Depth 46 from the axioms · uses propext, Classical.choice, Quot.sound
Assumes
DivisionRingLinearOrderedCommGroupWithZero

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