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Intersection
(
)
Intersection
[
list
1
,
list
2
,
...
]
gives a sorted list of the elements common to all the
list
i
.
MORE INFORMATION
If the
list
i
are considered as sets,
Intersection
gives their intersection.
Intersection
[
list
1
,
list
2
,
...
]
can be input in
StandardForm
and
InputForm
as
list
1
list
2
...
. The character
can be entered as
Esc
inter
Esc
or
\[Intersection]
.
The
list
i
must have the same head, but it need not be
List
.
Intersection
[
list
1
,
...
,
SameTest
->
test
]
applies
test
to each pair of elements in the
list
i
to determine whether they should be considered the same.
Intersection
[
a
,
b
]
can be entered in
StandardForm
and
InputForm
as
a
b
or
a
\[Intersection]
b
.
EXAMPLES
CLOSE ALL
Basic Examples
(2)
Find elements common to all the lists given:
In[1]:=
Out[1]=
Enter using
Esc
inter
Esc
:
In[1]:=
Out[1]=
Generalizations & Extensions
(1)
Applications
(1)
Properties & Relations
(1)
SEE ALSO
Union
Complement
TUTORIALS
Lists as Sets
MORE ABOUT
Discrete & Integer Data
Discrete Mathematics
Math & Counting Operations on Lists
Rearranging & Restructuring Lists
RELATED LINKS
NKS|Online
(
A New Kind of Science
)
New in 1 | Last modified in 3
© 2008 Wolfram Research, Inc.
list2.... The character can be entered as Esc inter Esc or \[Intersection]. b or a\[Intersection]b.
EXAMPLES
Basic Examples 
Generalizations & Extensions 