(self)
return self.size == 0
Checks to see if the permutation is a set with zero elements

        Examples
        ========

        >>> from sympy.combinatorics import Permutation
        >>> Permutation([]).is_Empty
        True
        >>> Permutation([0]).is_Empty
        False

        See Also
        ========

        is_Singleton
Checks to see if the permutation is a set with zero elements
Checks to see if the permutation is a set with zero elements
def is_Empty(self):
        """
        Checks to see if the permutation is a set with zero elements

        Examples
        ========

        >>> from sympy.combinatorics import Permutation
        >>> Permutation([]).is_Empty
        True
        >>> Permutation([0]).is_Empty
        False

        See Also
        ========

        is_Singleton
        """
        return self.size == 0
def is_Empty ( self ) : return self . size == 0