The if command tests the given condition and returns trueresult if condition is true or nonzero.  Otherwise falseresult is returned.

Note, because if is a recognized keyword in maple, it must be used with backwards-single-quotes around it.

$\mathrm{MapleTA}:-\mathrm{Builtin}:-\mathrm{`if`}\left(1<2\&comma;''Red''\&comma;''Blue''\right)$

$''Red''$

The MapleTA[Builtin][if] command was introduced in Maple 18.

For more information on Maple 18 changes, see Updates in Maple 18.