def definition def or abbrev

`c`

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

formal statement (Lean)

  27@[simp] noncomputable def c : ℝ := 299792458

Definition body.

  28
  29/-- Reduced Planck constant (CODATA 2018). -/

Lean names referenced from this declaration's body.