Values of `nilpotentEval` on constants and on the two variables.
ProvedTypeDensity.nilpotentEval_apply_generatorstype-density
nilpotentEval φ e z restricts to φ on constants and sends T ↦ e and X ↦ z.
Preamble
import Definitions.Def_TypeDensity_Basic import Definitions.Def_TypeDensity_Formula_LawAlgebra import Definitions.Def_TypeDensity_Measure_AdicCylinders import Definitions.Def_TypeDensity_Measure_HenselProducts import Definitions.Def_TypeDensity_Surfaces_Lengths import Definitions.Def_TypeDensity_Surfaces_PowerSeries 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.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.SimpleRing.Principal import Mathlib.FieldTheory.Finite.Extension import Mathlib.RingTheory.AdicCompletion.Noetherian import Mathlib.RingTheory.MvPowerSeries.Equiv import Mathlib.RingTheory.PicardGroup set_option autoImplicit false open TypeDensity
Formal statement
theorem TypeDensity.nilpotentEval_apply_generators (O S : Type) [CommRing O] [CommRing S] (φ : O →+* S)
(e z : S) (he : IsNilpotent e) (hz : IsNilpotent z) :
(∀ c : O, nilpotentEval φ e z he hz (MvPowerSeries.C c) = φ c) ∧
nilpotentEval φ e z he hz (axisT O) = e ∧ nilpotentEval φ e z he hz (axisX O) = z := by sorrySource
TypeDensity/Surfaces/PowerSeries.lean#L239-L253