def definition def or abbrev

`kron`

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

formal statement (Lean)

  53@[simp] noncomputable def kron (μ ν : Index) : ℝ := if μ = ν then 1 else 0

Definition body.

  54
  55/-- Raise/lower index placeholders (identity maps in the scaffold). -/

Lean names referenced from this declaration's body.