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Theorems · Theorem · commutative algebra

Valuation.IsRankOneDiscrete.generator_eq_exp_neg_one_of_mem_range

∀ {A : Type u_2} [inst : Ring A] {v : Valuation A (WithZero (Multiplicative ℤ))} [hv : v.IsRankOneDiscrete],
  WithZero.exp (-1) ∈ Set.range ⇑v →
    Valuation.IsRankOneDiscrete.generator v =
      Units.mk0 (WithZero.exp (-1)) Valuation.IsRankOneDiscrete.generator_eq_exp_neg_one_of_mem_range._proof_1

The generator of a discrete valuation in ℤᵐ⁰ that contains exp (-1) in its range is equal to exp (-1).

Defined in
Mathlib.RingTheory.Valuation.Discrete.Basic
Cited by
2 results in Mathlib
Foundations
Depth 83 from the axioms · uses propext, Classical.choice, Quot.sound
Assumes
RingValuation.IsRankOneDiscrete

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