1. A person who acquires a holding in accordance with the principle of justice in acquisition is entitled to that holding.
2. A person who acquires a holding in accordance with the principle of justice in transfer, from someone else entitled to the holding, is entitled to the holding.
3. No one is entitled to a holding except by (repeated) applications of 1 and 2.

Ch. 7 : Distributive Justice, Section I, The Entitlement Theory, p. 151 - Anarchy, State, and Utopia (1974)