A monic divisor of a polynomial with a type has a type.
ProvedTypeDensity.polynomial_type_dvdtype-density
A monic divisor of a polynomial with a type has a type.
Preamble
import Definitions.Def_TypeDensity_Basic import Definitions.Def_TypeDensity_Formula_LawAlgebra import Definitions.Def_TypeDensity_Algebra_AlgebraType import Theorems.Thm_TypeDensity_squarefree_monic_has_polynomial_type 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.FieldTheory.Finite.GaloisField import Mathlib.RingTheory.AdicCompletion.Algebra import Mathlib.RingTheory.RegularLocalRing.Defs import Mathlib.RingTheory.Henselian set_option autoImplicit false open TypeDensity open scoped TensorProduct open Polynomial IsLocalRing open UniqueFactorizationMonoid
Formal statement
theorem TypeDensity.polynomial_type_dvd (O : Type) [CommRing O] [IsDomain O]
(F G : Polynomial (BaseField O)) (σ : FactorType)
(hF : HasPolynomialTypeF O F σ) (hG : G.Monic) (hdvd : G ∣ F) :
∃ τ : FactorType, HasPolynomialTypeF O G τ := by sorrySource
TypeDensity/Algebra/AlgebraType.lean#L386-L403