∀ {motive_1 : Lean.Meta.Grind.Arith.Linear.EqCnstr → Sort u}
  {motive_2 : Lean.Meta.Grind.Arith.Linear.EqCnstrProof → Sort u}
  {motive_3 : Lean.Meta.Grind.Arith.Linear.IneqCnstr → Sort u}
  {motive_4 : Lean.Meta.Grind.Arith.Linear.IneqCnstrProof → Sort u}
  {motive_5 : Lean.Meta.Grind.Arith.Linear.DiseqCnstr → Sort u}
  {motive_6 : Lean.Meta.Grind.Arith.Linear.DiseqCnstrProof → Sort u}
  {motive_7 : Lean.Meta.Grind.Arith.Linear.UnsatProof → Sort u} (t : Lean.Meta.Grind.Arith.Linear.DiseqCnstr)
  (F_1 : (t : Lean.Meta.Grind.Arith.Linear.EqCnstr) → t.below → motive_1 t)
  (F_2 : (t : Lean.Meta.Grind.Arith.Linear.EqCnstrProof) → t.below → motive_2 t)
  (F_3 : (t : Lean.Meta.Grind.Arith.Linear.IneqCnstr) → t.below → motive_3 t)
  (F_4 : (t : Lean.Meta.Grind.Arith.Linear.IneqCnstrProof) → t.below → motive_4 t)
  (F_5 : (t : Lean.Meta.Grind.Arith.Linear.DiseqCnstr) → t.below → motive_5 t)
  (F_6 : (t : Lean.Meta.Grind.Arith.Linear.DiseqCnstrProof) → t.below → motive_6 t)
  (F_7 : (t : Lean.Meta.Grind.Arith.Linear.UnsatProof) → t.below → motive_7 t),
  t.brecOn F_1 F_2 F_3 F_4 F_5 F_6 F_7 =
    F_5 t (Lean.Meta.Grind.Arith.Linear.DiseqCnstr.brecOn.go t F_1 F_2 F_3 F_4 F_5 F_6 F_7).2