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def definition def or abbrev

mapDelta

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formal statement (Lean)

  31noncomputable def mapDelta (δ : ℤ) (hδ : δ ≠ 0) (f : AffineMapZ) : DeltaSub δ → ℝ :=

proof body

Definition body.

  32  fun p => f.slope * ((LedgerUnits.toZ δ p) : ℝ) + f.offset
  33

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