(self)
return len(self.subset)
Gets the size of the subset.

        Examples
        ========

        >>> from sympy.combinatorics.subsets import Subset
        >>> a = Subset(['c','d'], ['a','b','c','d'])
        >>> a.size
        2

        See Also
        ========
        subset, superset, superset_size, cardinality
Gets the size of the subset.
Gets the size of the subset .
def size(self):
        """
        Gets the size of the subset.

        Examples
        ========

        >>> from sympy.combinatorics.subsets import Subset
        >>> a = Subset(['c','d'], ['a','b','c','d'])
        >>> a.size
        2

        See Also
        ========
        subset, superset, superset_size, cardinality
        """
        return len(self.subset)
def size ( self ) : return len ( self . subset )