'The successors of the ego node.'

def two_hop_succ(self, Gx, Gx_node, core_x, succ):

    return all((self.one_hop(Gx, s, core_x, self.preds(Gx, core_x, s, Gx_node), self.succs(Gx, core_x, s)) for s in succ))
