Theorems · Theorem · commutative algebra

Valuation.Integers.one_of_isUnit

∀ {R : Type u} {Γ₀ : Type v} [inst : CommRing R] [inst_1 : LinearOrderedCommGroupWithZero Γ₀] {v : Valuation R Γ₀}
  {O : Type w} [inst_2 : CommRing O] [inst_3 : Algebra O R],
  v.Integers O → ∀ {x : O}, IsUnit x → v ((algebraMap O R) x) = 1

Defined in

Mathlib.RingTheory.Valuation.Integers

Cited by

2 results in Mathlib

Foundations

Depth 25 from the axioms · uses propext, Classical.choice, Quot.sound

Assumes

CommRingLinearOrderedCommGroupWithZeroCommRingAlgebra