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