| Subtraction(Sca, Var) | Substracts a variable from a scalar; and returns the resulting linear expression. |
| Subtraction(Var, Sca) | Substracts a scalar from a variable; and returns the resulting linear expression. |
| Subtraction(Var, Var) | Substracts one variable from another; and returns the resulting linear expression. |
| Subtraction(Var, VarD0) | Substracts one variable from another; and returns the resulting linear expression. |
| Subtraction(VarD0, Var) | Substracts one variable from another; and returns the resulting linear expression. |