def definition def or abbrev

`J`

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

formal statement (Lean)

  29noncomputable def J (x : ℝ) : ℝ := (x + x⁻¹) / 2 - 1

Definition body.

  30
  31/-- The defect functional. Equals J for positive x. -/

Lean names referenced from this declaration's body.

defect in IndisputableMonolith.Foundation.LawOfExistence decl_use
for in IndisputableMonolith.Foundation.UniversalForcingSelfReference decl_use