∀ {c : Lean.Meta.Grind.Arith.Linear.RingEqCnstr} {lhs : Lean.Meta.Grind.Arith.Linear.LinExpr}
  {c_1 : Lean.Meta.Grind.Arith.Linear.RingEqCnstr} {lhs_1 : Lean.Meta.Grind.Arith.Linear.LinExpr},
  Lean.Meta.Grind.Arith.Linear.IneqCnstrProof.ringEq c lhs =
      Lean.Meta.Grind.Arith.Linear.IneqCnstrProof.ringEq c_1 lhs_1 →
    c = c_1 ∧ lhs = lhs_1