OAI/MeasureTheory/DyadicAvoidance/RandomSetDensity.lean

GitHub source file

8 declarations, 0 contain sorry, 0 declared as axioms

  1. def OAI.Problem310.RandomSetDensity.selectedSet line 14

    Source documentation

    A selector outcome chooses the terminal address read at each point.

    def selectedSet {A : Type u_A} {K : Type u_K} (addr : A → ℝ → K) (z : A × (K → Bool)) : Set ℝ :=
    …
  2. theorem OAI.Problem310.RandomSetDensity.measurableSet_selectedSet line 18

    Source documentation

    Finite terminal tables preserve spatial measurability of the address map.

    theorem measurableSet_selectedSet
        {A : Type u_A} {K : Type u_K} [Fintype K] [MeasurableSpace K] [MeasurableSingletonClass K]
        (addr : A → ℝ → K) (haddr : ∀ a, Measurable (addr a))
        (z : A × (K → Bool)) : MeasurableSet (selectedSet addr z) := by
    …

    Mentions: OAI.Problem310.RandomSetDensity.selectedSet

  3. theorem OAI.Problem310.RandomSetDensity.periodic_selectedSet line 25

    Source documentation

    Periodicity of terminal addresses gives periodicity of every realization.

    theorem periodic_selectedSet
        {A : Type u_A} {K : Type u_K} (addr : A → ℝ → K)
        (haddr : ∀ a x, addr a (x + 1) = addr a x) (z : A × (K → Bool)) :
        ∀ x : ℝ, x + 1 ∈ selectedSet addr z ↔ x ∈ selectedSet addr z := by
    …

    Mentions: OAI.Problem310.RandomSetDensity.selectedSet

  4. theorem OAI.Problem310.RandomSetDensity.pointwise_probability_selectedSet line 34

    Source documentation

    Independence of terminal labels from selectors gives the same membership probability at every spatial point, even with adaptively selected addresses.

    theorem pointwise_probability_selectedSet
        {A : Type u_A} {K : Type u_K} [Fintype A] [MeasurableSpace A] [MeasurableSingletonClass A]
        [Fintype K] (P : Measure A) [IsProbabilityMeasure P]
        (ν : Measure Bool) [IsProbabilityMeasure ν]
        (addr : A → ℝ → K) (x : ℝ) :
        (P.prod (Measure.pi (fun _ : K => ν))) {z | x ∈ selectedSet addr z} =
          ν {true} := by
    …

    Mentions: OAI.Problem310.RandomSetDensity.selectedSet

  5. theorem OAI.Problem310.RandomSetDensity.expected_density_selectedSet line 55

    Source documentation

    Exact first-moment density identity for the random routed set.

    theorem expected_density_selectedSet
        {A : Type u_A} {K : Type u_K} [Fintype A] [MeasurableSpace A] [MeasurableSingletonClass A]
        [Fintype K] [MeasurableSpace K] [MeasurableSingletonClass K]
        (P : Measure A) [IsProbabilityMeasure P]
        (ν : Measure Bool) [IsProbabilityMeasure ν]
        (addr : A → ℝ → K) (haddr : ∀ a, Measurable (addr a)) :
        (∫⁻ z, volume (selectedSet addr z ∩ Set.Icc (0 : ℝ) 1)
          ∂(P.prod (Measure.pi (fun _ : K => ν)))) = ν {true} := by
    …

    Mentions: OAI.Problem310.RandomSetDensity.selectedSet

  6. theorem OAI.Problem310.RandomSetDensity.bernoulli_true_mass line 71

    Source documentation

    The standard Boolean Bernoulli law has the expected real-parameter masses.

    theorem bernoulli_true_mass (p : unitInterval) :
        ProbabilityTheory.bernoulliMeasure true false p {true} =
          ENNReal.ofReal (p : ℝ) := by
    …
  7. theorem OAI.Problem310.RandomSetDensity.bernoulli_false_mass line 78
  8. theorem OAI.Problem310.RandomSetDensity.expected_density_bernoulli line 86

    Source documentation

    Bernoulli specialization with exactly the ofReal p density budget.

    theorem expected_density_bernoulli
        {A : Type u_A} {K : Type u_K} [Fintype A] [MeasurableSpace A] [MeasurableSingletonClass A]
        [Fintype K] [MeasurableSpace K] [MeasurableSingletonClass K]
        (P : Measure A) [IsProbabilityMeasure P] (p : unitInterval)
        (addr : A → ℝ → K) (haddr : ∀ a, Measurable (addr a)) :
        (∫⁻ z, volume (selectedSet addr z ∩ Set.Icc (0 : ℝ) 1)
          ∂(P.prod (Measure.pi (fun _ : K =>
            ProbabilityTheory.bernoulliMeasure true false p)))) = ENNReal.ofReal (p : ℝ) := by
    …

    Mentions: OAI.Problem310.RandomSetDensity.selectedSet