def definition def or abbrev

`deltaVar`

No prose has been written for this declaration yet. The Lean source and graph data below render without it.

formal statement (Lean)

  60@[simp] noncomputable def deltaVar (x : ℝ) : ℝ := x

Definition body.

  61
  62/-- Functional derivative: δS/δx for action functional S and state variable x. -/

Lean names referenced from this declaration's body.

for in IndisputableMonolith.Foundation.UniversalForcingSelfReference decl_use
and in IndisputableMonolith.NumberTheory.CirclePhaseLift decl_use
S in IndisputableMonolith.Relativity.ILG.Action decl_use