Note that signed-digit representation is not necessarily unique.

Their skills were not necessarily unique to them, but their ability to possess the stage was theirs alone.

The elements of the list are not necessarily all unique.

Any element with these properties is necessarily unique, but in general no such element needs to exist.

The difference with orthogonality is that w is not necessarily unique.

Nor are the accusations of improprieties necessarily unique to Fannie Mae.

The mode is not necessarily unique, since the same maximum frequency may be attained at different values.

It is not necessarily unique, but never infinite or totally undefined.

Because of these cross-cultural symptoms, it is argued that these syndromes are not necessarily unique ".

Unlike the median and the mean, the mode is not necessarily unique.