'Gets the superset of the subset.
Examples
>>> from sympy.combinatorics.subsets import Subset
>>> a = Subset([\'c\', \'d\'], [\'a\', \'b\', \'c\', \'d\'])
>>> a.superset
[\'a\', \'b\', \'c\', \'d\']
See Also
subset, size, superset_size, cardinality'

@property
def superset(self):

    return self._superset
