set with condition
<math xmlns="http://www.w3.org/1998/Math/MathML"> <set> <bvar> <ci>x</ci> </bvar> <condition> <apply> <lt/> <ci>x</ci> <cn>5</cn> </apply> </condition> <ci>x</ci> </set> </math>
Author: Design Science, Inc. (E. Cannon, E. Tabacman, R.Miner)