A intersect (B union C)
<math xmlns="http://www.w3.org/1998/Math/MathML"> <apply> <intersect/> <ci type="set">A</ci> <apply> <union/> <ci type="set">B</ci> <ci type="set">C</ci> </apply> </apply> </math>
Author: Design Science, Inc. (E. Cannon, E. Tabacman, R.Miner)