(motive : Lean.Level → Lean.Level → Sort u_1) →
  (u v : Lean.Level) →
    ((mvarId : Lean.LMVarId) → (x : Lean.Level) → motive (Lean.Level.mvar mvarId) x) →
      ((x : Lean.Level) → (a : Lean.LMVarId) → motive x (Lean.Level.mvar a)) →
        ((v₁ v₂ : Lean.Level) → motive Lean.Level.zero (v₁.max v₂)) →
          ((a v₂ : Lean.Level) → motive Lean.Level.zero (a.imax v₂)) →
            ((a : Lean.Level) → motive Lean.Level.zero a.succ) →
              ((u v : Lean.Level) → motive u.succ v) → ((x x_1 : Lean.Level) → motive x x_1) → motive u v