Furthermore, it is possible that an edict can be issued without any basis in law as defined in Question 90; in this case, men are under no compulsion to act, save as it helps the common good. This separation between law and acts of force also allows men to depose tyrants, or those who flout the natural law; while removing an agent of the law is contrary to the common good and the eternal law of God, which orders the powers that be, removing a tyrant is lawful as he has ceded his claim to being a lawful authority by acting contrary to law.