| Addition(Sca, Term) | Adds a term and a scalar; and returns the resulting linear expression. |
| Addition(Term, Sca) | Adds a term and a scalar; and returns the resulting linear expression. |
| Addition(Term, Term) | Adds two terms; and returns the resulting linear expression. |
| Addition(Term, Var) | Adds a term and a variable; and returns the resulting linear expression. |
| Addition(Term, VarD0) | Adds a term and a variable; and returns the resulting linear expression. |
| Addition(Var, Term) | Adds a term and a variable; and returns the resulting linear expression. |
| Addition(VarD0, Term) | Adds a term and a variable; and returns the resulting linear expression. |