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based on an earlier version of the Wolfram Language.
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UnsameQ


yields True if the expression lhs is not identical to rhs, and yields False otherwise.
  • gives True if no two of the are identical.
Test whether two expressions are not identically the same:
remains symbolic unless literal values are given:
Full form:
Test whether two expressions are not identically the same:
In[1]:=
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Out[1]=
In[2]:=
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Out[2]=
remains symbolic unless literal values are given:
In[3]:=
Click for copyable input
Out[3]=
 
Full form:
In[1]:=
Click for copyable input
Out[1]=
Test equivalence of strings:
Numbers in different representations are not the same:
nevertheless treats them as equal:
Test whether multiple expressions are all distinct:
Construct the permanent analog of the totally antisymmetric tensor:
1 appears at positions corresponding to permutations:
New in 2