
?X ## ?Y

   X is different from Y.



Arguments
   ?X                  A linear term.
   ?Y                  A linear term.

Type
   library(fd)

Description
   This constraints states that the two linear terms are not equal.  It is
   suspended until at most one variable appears in it and then its domain
   is updated so that the constraint is satisfied.




Fail Conditions
      The constraint does not hold if X=Y.



Resatisfiable
      No.

See Also
   :: / 2, #:: / 2, #= / 2
