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structure definition def or abbrev

GrayCover

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formal statement (Lean)

  62structure GrayCover (d T : Nat) [NeZero T] where
  63  path : Fin T → Pattern d
  64  complete : Function.Surjective path
  65  oneBit_step : ∀ i : Fin T, OneBitDiff (path i) (path (i + 1))
  66
  67/-! Minimality: any cover of all `d`-bit patterns needs at least `2^d` ticks. -/

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