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theorem proved term proof

optimal_transfer

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formal statement (Lean)

  56theorem optimal_transfer {Obs₁ Obs₂ : Type*}
  57    {C₁ : DisplayChannel State Obs₁}
  58    {C₂ : DisplayChannel State Obs₂}
  59    (heq : QualityEquiv C₁ C₂)
  60    (x : State) :
  61    C₁.isOptimal x ↔ C₂.isOptimal x :=

proof body

Term-mode proof.

  62  QualityEquiv.optimal_iff heq x
  63
  64/-- If C₂.quality = g ∘ C₁.quality for monotone g, they induce the same order. -/

depends on (7)

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