OAI/Combinatorics/HadwigerCounterexample/EntropyContainers.lean

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3 declarations, 0 contain sorry, 0 declared as axioms

Entropy Containers

  1. theorem OAI.HadwigerCounterexample.avg_reached line 15
  2. theorem OAI.HadwigerCounterexample.closed_carried line 32
  3. theorem OAI.HadwigerCounterexample.containers line 40

    Source documentation

    Cover the conflict-independent sets in R by a small family of terminal sets.

    theorem containers {ok : Set (Wgt α)} (hcomp : IsCompact ok) (hok : ∀ w ∈ ok, IsLaw w)
        (hmid : ∀ w ∈ ok, ∀ v ∈ ok, midLaw w v ∈ ok) (rel : α → α → Prop)
        {e : ℝ} (he : 0 < e) (R : Finset α)
        (hsat : ∀ w ∈ ok, carried w (· ∈ R) →
          e ≤ pr (pairW w w) (fun x => rel x.1 x.2))
        (L : ℕ) (hL : ∀ w ∈ ok, carried w (· ∈ R) →
          0 < negEnt w + L * (e * Real.log 2)) :
        ∃ C : Finset (Finset α),
          C.card ≤ (R.card + 1)^L ∧
          (∀ r ∈ C, r ⊆ R ∧ ¬∃ w ∈ ok, carried w (· ∈ r)) ∧
          ∀ I : Finset α, I ⊆ R → (∀ v ∈ I, ∀ u ∈ I, ¬rel v u) →
            ∃ r ∈ C, I ⊆ r := by
    …

    Mentions: OAI.HadwigerCounterexample.Wgt, OAI.HadwigerCounterexample.IsLaw, OAI.HadwigerCounterexample.midLaw, OAI.HadwigerCounterexample.carried, OAI.HadwigerCounterexample.pr, OAI.HadwigerCounterexample.pairW, OAI.HadwigerCounterexample.negEnt