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structure definition def or abbrev

TimeStep

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formal statement (Lean)

  32structure TimeStep where
  33  Δt : ℝ := 1

proof body

Definition body.

  34
  35def TimeStep.Valid (h : TimeStep) : Prop := 0 < h.Δt
  36
  37/-- High-level choice of discretization family. -/

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depends on (6)

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