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structure definition def or abbrev

OneStepDynamics

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formal statement (Lean)

  22structure OneStepDynamics (α : Type) where
  23  step : α → α
  24  defect : α → ℝ
  25  defect_nonincreasing : ∀ s, defect (step s) ≤ defect s
  26
  27/-- The 8-step evolution operator. -/

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