| Inequality(Sca, Var) | Invalid operation; throws an exception. |
| Inequality(Var, Sca) | Invalid operation; throws an exception. |
| Inequality(Var, Var) | Invalid operation; throws an exception. |
| Inequality(Var, VarD0) | Invalid operation; throws an exception. |
| Inequality(VarD0, Var) | Invalid operation; throws an exception. |