Natural-rights libertarianism, also known as deontological liberalism, deontological libertarianism, libertarian moralism, natural rights-based libertarianism, philosophical libertarianism or rights-theorist libertarianism, is the theory that all individuals possess certain natural or moral rights, mainly a right of individual sovereignty and that therefore acts of initiation of force and fraud are rights-violations and that is sufficient reason to oppose those acts. This is one of the two ethical view points within right-libertarianism, the other being consequentialist libertarianism which only takes into account the consequences of actions and rules when judging them and holds that free markets and strong private property rights have good consequences.