(self)
return self.base == self.killed_module
Return True if ``self`` is a zero module.

        This happens if and only if the base module is the same as the
        submodule being killed.

        >>> from sympy.abc import x
        >>> from sympy import QQ
        >>> F = QQ.old_poly_ring(x).free_module(2)
        >>> (F/[(1, 0)]).is_zero()
        False
        >>> (F/[(1, 0), (0, 1)]).is_zero()
        True
Return True if ``self`` is a zero module.
Return True if self is a zero module .
def is_zero(self):
        """
        Return True if ``self`` is a zero module.

        This happens if and only if the base module is the same as the
        submodule being killed.

        >>> from sympy.abc import x
        >>> from sympy import QQ
        >>> F = QQ.old_poly_ring(x).free_module(2)
        >>> (F/[(1, 0)]).is_zero()
        False
        >>> (F/[(1, 0), (0, 1)]).is_zero()
        True
        """
        return self.base == self.killed_module
def is_zero ( self ) : return self . base == self . killed_module