MultiSet difference operator
M minus N
MultiSet; a MultiSet, set, or list
M minus N returns the set difference (counting multiplicity) between M and N.
At least one argument must be a MultiSet for this routine to be invoked. Any other argument which is expected to be a MultiSet can be a MultiSet, a set or a list; in the latter two cases the argument is converted to a MultiSet before proceeding to evaluate this command. IsGeneralized(M) must return the same value for all MultiSet arguments M, and all non-MultiSet arguments will be promoted to MultiSets with this same property.
The MultiSet/minus operator was introduced in Maple 2016.
For more information on Maple 2016 changes, see Updates in Maple 2016.
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