∀ (motive : Ordering → Sort u_1) (h_1 : Ordering.lt = Ordering.lt → motive Ordering.lt)
  (h_2 : Ordering.lt = Ordering.gt → motive Ordering.gt) (h_3 : Ordering.lt = Ordering.eq → motive Ordering.eq),
  (match h : Ordering.lt with
    | Ordering.lt => h_1 h
    | Ordering.gt => h_2 h
    | Ordering.eq => h_3 h) =
    h_1 ⋯