(self, other)
Implementation of intersection.
           Other is guaranteed to be a submodule of same free module.
Implementation of intersection.
           Other is guaranteed to be a submodule of same free module.
Implementation of intersection . Other is guaranteed to be a submodule of same free module .
def _intersect(self, other):
        """Implementation of intersection.
           Other is guaranteed to be a submodule of same free module."""
        raise NotImplementedError
def _intersect ( self , other ) : raise NotImplementedError