{motive_4 : Lean.Meta.Grind.Arith.Linear.IneqCnstrProof → Sort u} →
  (t : Lean.Meta.Grind.Arith.Linear.IneqCnstrProof) →
    t.ctorIdx = 2 →
      ((c : Lean.Meta.Grind.Arith.Linear.RingIneqCnstr) →
          (lhs : Lean.Meta.Grind.Arith.Linear.LinExpr) →
            motive_4 (Lean.Meta.Grind.Arith.Linear.IneqCnstrProof.ring c lhs)) →
        motive_4 t