Uniqueness in Hensel's lemma: monic factorizations with the same coprime residue factors are equal.
ProvedTypeDensity.hensel_pair_uniquetype-density
Uniqueness in Hensel's lemma: monic factorizations with the same coprime residue factors are equal.
Preamble
import Definitions.Def_TypeDensity_Basic import Definitions.Def_TypeDensity_Measure_AdicCylinders import Definitions.Def_TypeDensity_Measure_HenselProducts import Theorems.Thm_TypeDensity_isCoprime_of_isCoprime_map_residue import Mathlib.FieldTheory.RatFunc.Basic import Mathlib.MeasureTheory.Measure.Haar.Unique import Mathlib.NumberTheory.ArithmeticFunction.Moebius import Mathlib.NumberTheory.Padics.PadicIntegers import Mathlib.RingTheory.IntegralClosure.IntegralRestrict import Mathlib.RingTheory.MvPowerSeries.Basic import Mathlib.RingTheory.RamificationInertia.Basic import Mathlib.Topology.Algebra.Nonarchimedean.AdicTopology import Mathlib.Topology.Algebra.MvPolynomial import Mathlib.Algebra.Group.Pi.Units import Mathlib.Order.CompletePartialOrder import Mathlib.RingTheory.Henselian import Mathlib.RingTheory.Polynomial.Resultant.Basic import Mathlib.RingTheory.RegularLocalRing.Defs import Mathlib.RingTheory.SimpleRing.Principal set_option autoImplicit false open TypeDensity open MeasureTheory open scoped BigOperators ENNReal
Formal statement
theorem TypeDensity.hensel_pair_unique (O : Type) [CommRing O] [IsLocalRing O]
(G H G₁ H₁ : Polynomial O) (hG : G.Monic) (hH : H.Monic) (hG₁ : G₁.Monic) (hH₁ : H₁.Monic)
(hg : G.map (IsLocalRing.residue O) = G₁.map (IsLocalRing.residue O))
(hh : H.map (IsLocalRing.residue O) = H₁.map (IsLocalRing.residue O))
(hc : IsCoprime (G.map (IsLocalRing.residue O)) (H.map (IsLocalRing.residue O)))
(hp : G * H = G₁ * H₁) :
G=G₁ ∧ H=H₁ := by sorrySource
TypeDensity/Measure/HenselProducts.lean#L579-L598