Two finite measures that agree on adic cylinders are equal, if the cylinders generate.
ProvedTypeDensity.finite_measures_from_cylinderstype-density
Two finite measures that agree on adic cylinders are equal, if the cylinders generate.
Preamble
import Definitions.Def_TypeDensity_Basic import Definitions.Def_TypeDensity_Measure_AdicCylinders import Theorems.Thm_TypeDensity_adic_cylinders_intersection 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 set_option autoImplicit false open TypeDensity open scoped ENNReal
Formal statement
theorem TypeDensity.finite_measures_from_cylinders (R M : Type) [CommRing R] [AddCommGroup M] [Module R M]
(I : Ideal R) [MeasurableSpace M] (mu nu : MeasureTheory.Measure M)
[MeasureTheory.IsFiniteMeasure mu] (hgen : ‹MeasurableSpace M› = adicCylinderSpace I M)
(heq : ∀ j x, mu {y | adicCongr I j y x} = nu {y | adicCongr I j y x}) :
mu = nu := by sorrySource
TypeDensity/Measure/AdicTransport.lean#L220-L232