(self)
return int(ifac(self.size))
Returns the number of all possible permutations.

        Examples
        ========

        >>> from sympy.combinatorics.permutations import Permutation
        >>> p = Permutation([0,1,2,3])
        >>> p.cardinality
        24

        See Also
        ========

        length, order, rank, size
Returns the number of all possible permutations.
Returns the number of all possible permutations .
def cardinality(self):
        """
        Returns the number of all possible permutations.

        Examples
        ========

        >>> from sympy.combinatorics.permutations import Permutation
        >>> p = Permutation([0,1,2,3])
        >>> p.cardinality
        24

        See Also
        ========

        length, order, rank, size
        """
        return int(ifac(self.size))
def cardinality ( self ) : return int ( ifac ( self . size ) )