Lists as Sets
Mathematica usually keeps the elements of a list in exactly the order you originally entered them. If you want to treat a Mathematica list like a mathematical set, however, you may want to ignore the order of elements in the list.
|Union[list1,list2,...]||give a list of the distinct elements in the |
|Intersection[list1,list2,...]||give a list of the elements that are common to all the |
|Complement[universal,list1,...]||give a list of the elements that are in universal, but not in any of the |
|Subsets[list]||give a list of all subsets of the elements in list|
|DeleteDuplicates[list]||delete all duplicates from list|
Set theoretical functions.
gives the elements that occur in any
of the lists.
gives only elements that occur in all
gives elements that occur in the first list, but not in any of the others.
This gives all the subsets of the list.