Find .
The intersection of two sets and is the set that contains all elements of that also belong to .
Observe the Venn diagram :
The set .
.
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=f42b02788a6609b30bed78f4c2ac4a1c.png\")
..![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=526332d14ea94fb5151414e0ef474716.png\")
and ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=176431b759faea0d4abd770cdfa5d144.png\")
is the set that contains all elements of ![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=526332d14ea94fb5151414e0ef474716.png\")
that also belong to .![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=fa2249cf18f5816ed715ec0726a1328d.png\")
.![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=720c36ab517bcb345a84594db8cd8d63.png\")
.![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=aae613cc524683904a8461242527b240.png\")
.![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=aae613cc524683904a8461242527b240.png\")
.