This is documentation for Mathematica 5, which was
based on an earlier version of the Wolfram Language.
View current documentation (Version 11.1)

Documentation / Mathematica / Built-in Functions / Programming / Tests /

UnsameQ

FilledSmallSquare lhs =!= rhs yields True if the expression lhs is not identical to rhs, and yields False otherwise.

FilledSmallSquare See notes for SameQ.

FilledSmallSquare =!= =!= gives True if no two of the are identical.

FilledSmallSquare See Section 2.3.5.

FilledSmallSquare See also: Equal, Order.

FilledSmallSquare New in Version 2.

Further Examples