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Stephen Wolfram
SEARCH MATHEMATICA 8 DOCUMENTATION
THIS IS DOCUMENTATION FOR AN OBSOLETE PRODUCT.
SEE THE
DOCUMENTATION CENTER
FOR THE LATEST INFORMATION.
Mathematica
>
Testing Expressions
>
Built-in
Mathematica
Symbol
Putting Constraints on Patterns
Tutorials »
|
Equal
Order
SameQ
See Also »
|
Testing Expressions
More About »
UnsameQ
lhs
rhs
yields
True
if the expression
lhs
is not identical to
rhs
, and yields
False
otherwise.
MORE INFORMATION
e
1
e
2
e
3
gives
True
if no two of the
e
i
are identical.
EXAMPLES
CLOSE ALL
Basic Examples
(2)
Test whether two expressions are not identically the same:
In[1]:=
Out[1]=
In[2]:=
Out[2]=
remains symbolic unless literal values are given:
In[3]:=
Out[3]=
Full form:
In[1]:=
Out[1]=
Scope
(3)
Applications
(1)
SEE ALSO
Equal
Order
SameQ
TUTORIALS
Putting Constraints on Patterns
MORE ABOUT
Testing Expressions
New in 2
© 2013 Wolfram Research, Inc.
e2e3 gives True if no two of the ei are identical.
EXAMPLES
Basic Examples 
Scope 