John Stuart Mill (1806-1873). Utilitarianism. Utilitarianism. Utilitarianism is a consequentialist theory of ethics and morality. It is a consequentialist theory because what determines whether a given act is right or wrong are the consequences of the act. The Principle of Utility.
3.1 This leads to ridiculous results of supererogatory acts.
3.2 There are special relationships we have among friends and family that require moral special treatment with higher moral obligations than our relationships with strangers.
1) In the real world all unjust actions coincide with bad consequences, and all actions that violate the rights of an individual cause, in the long run, more unhappiness.