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def definition def or abbrev

dS_dx

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formal statement (Lean)

  63noncomputable def dS_dx (S_func : ℝ → ℝ) (x₀ : ℝ) : ℝ :=

proof body

Definition body.

  64  deriv S_func x₀
  65
  66
  67/-- Symbolic ILG Lagrangian density (toy): L = (∂ψ)^2/2 − m^2 ψ^2/2 + cLag·alpha.
  68    Here we treat all terms as scalars to keep the scaffold compiling. -/

depends on (9)

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