(self, other)
return self.__class__(self.gens + other.gens, self.container)
Returns the module generated by the union of ``self`` and ``other``.

        >>> from sympy.abc import x
        >>> from sympy import QQ
        >>> F = QQ.old_poly_ring(x).free_module(1)
        >>> M = F.submodule([x**2 + x]) # <x(x+1)>
        >>> N = F.submodule([x**2 - 1]) # <(x-1)(x+1)>
        >>> M.union(N) == F.submodule([x+1])
        True
Returns the module generated by the union of ``self`` and ``other``.
Returns the module generated by the union of self and other .
def union(self, other):
        """
        Returns the module generated by the union of ``self`` and ``other``.

        >>> from sympy.abc import x
        >>> from sympy import QQ
        >>> F = QQ.old_poly_ring(x).free_module(1)
        >>> M = F.submodule([x**2 + x]) # <x(x+1)>
        >>> N = F.submodule([x**2 - 1]) # <(x-1)(x+1)>
        >>> M.union(N) == F.submodule([x+1])
        True
        """
        if not isinstance(other, SubModule):
            raise TypeError('%s is not a SubModule' % other)
        if other.container != self.container:
            raise ValueError(
                '%s is contained in a different free module' % other)
        return self.__class__(self.gens + other.gens, self.container)
def union ( self , other ) : if not isinstance ( other , SubModule ) : raise TypeError ( '%s is not a SubModule' % other ) if other . container != self . container : raise ValueError ( '%s is contained in a different free module' % other ) return self . __class__ ( self . gens + other . gens , self . container )