∀ {i : Type u} {b : Type v} {motive_1 : Lean.Doc.Block i b → Sort u_1}
  {motive_2 : Array (Lean.Doc.ListItem (Lean.Doc.Block i b)) → Sort u_1}
  {motive_3 : Array (Lean.Doc.DescItem (Lean.Doc.Inline i) (Lean.Doc.Block i b)) → Sort u_1}
  {motive_4 : Array (Lean.Doc.Block i b) → Sort u_1}
  {motive_5 : List (Lean.Doc.ListItem (Lean.Doc.Block i b)) → Sort u_1}
  {motive_6 : List (Lean.Doc.DescItem (Lean.Doc.Inline i) (Lean.Doc.Block i b)) → Sort u_1}
  {motive_7 : List (Lean.Doc.Block i b) → Sort u_1} {motive_8 : Lean.Doc.ListItem (Lean.Doc.Block i b) → Sort u_1}
  {motive_9 : Lean.Doc.DescItem (Lean.Doc.Inline i) (Lean.Doc.Block i b) → Sort u_1}
  (t : List (Lean.Doc.DescItem (Lean.Doc.Inline i) (Lean.Doc.Block i b)))
  (F_1 : (t : Lean.Doc.Block i b) → t.below → motive_1 t)
  (F_2 : (t : Array (Lean.Doc.ListItem (Lean.Doc.Block i b))) → Lean.Doc.Block.below_1 t → motive_2 t)
  (F_3 :
    (t : Array (Lean.Doc.DescItem (Lean.Doc.Inline i) (Lean.Doc.Block i b))) → Lean.Doc.Block.below_2 t → motive_3 t)
  (F_4 : (t : Array (Lean.Doc.Block i b)) → Lean.Doc.Block.below_3 t → motive_4 t)
  (F_5 : (t : List (Lean.Doc.ListItem (Lean.Doc.Block i b))) → Lean.Doc.Block.below_4 t → motive_5 t)
  (F_6 :
    (t : List (Lean.Doc.DescItem (Lean.Doc.Inline i) (Lean.Doc.Block i b))) → Lean.Doc.Block.below_5 t → motive_6 t)
  (F_7 : (t : List (Lean.Doc.Block i b)) → Lean.Doc.Block.below_6 t → motive_7 t)
  (F_8 : (t : Lean.Doc.ListItem (Lean.Doc.Block i b)) → Lean.Doc.Block.below_7 t → motive_8 t)
  (F_9 : (t : Lean.Doc.DescItem (Lean.Doc.Inline i) (Lean.Doc.Block i b)) → Lean.Doc.Block.below_8 t → motive_9 t),
  Lean.Doc.Block.brecOn_5 t F_1 F_2 F_3 F_4 F_5 F_6 F_7 F_8 F_9 =
    F_6 t (Lean.Doc.Block.brecOn_5.go t F_1 F_2 F_3 F_4 F_5 F_6 F_7 F_8 F_9).2