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def definition def or abbrev

isOptimal

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formal statement (Lean)

  27def isOptimal (C : DisplayChannel State Obs) (x : State) : Prop :=

proof body

Definition body.

  28  ∀ y, C.stateQuality x ≤ C.stateQuality y
  29
  30end DisplayChannel
  31
  32/-- A collection of display channels on the same state space. -/

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