Utilitarianism
The reversibility test of Kant’s Categorical Imperative of the principles of rights
The universalizability test of Kant’s Categorical Imperative of the principles of rights
The respect and free consent test of Kant’s Categorical Imperative of the principles of
rights
The egalitarian perspective of the principle of distributive justice
The capitalist perspective of the principle of distributive justice
The libertarianism perspective of the principle of distributive justice
The socialist perspective of the principle of distributive justice
Rawl’s principle of distributive justice
The caring principle
Virtue theory