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theorem proved term proof

optimal_iff

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formal statement (Lean)

  72theorem optimal_iff {C₁ : DisplayChannel State Obs₁} {C₂ : DisplayChannel State Obs₂}
  73    (heq : QualityEquiv C₁ C₂) (x : State) :
  74    C₁.isOptimal x ↔ C₂.isOptimal x :=

proof body

Term-mode proof.

  75  ⟨fun h1 y => (heq x y).mp (h1 y), fun h2 y => (heq x y).mpr (h2 y)⟩
  76
  77end QualityEquiv
  78
  79end RRF.Core
  80end IndisputableMonolith

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depends on (6)

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