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def definition def or abbrev

forwardDiff

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formal statement (Lean)

  44def forwardDiff {siteCount : ℕ} (Λ : LatticeTopology siteCount) (h : ℝ)
  45    (f : ScalarField siteCount) (j : Axis) (x : Fin siteCount) : ℝ :=

proof body

Definition body.

  46  (f (Λ.plus j x) - f x) / h
  47

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depends on (5)

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