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In ethical philosophy, utilitarianism is a family of normative ethical theories that prescribe actions that maximize happiness and well-being for the affected individuals. [1] [2] In other words, utilitarian ideas encourage actions that lead to the greatest good for the greatest number.
This is an incomplete list of advocates of utilitarianism and/or consequentialism This is a dynamic list and may never be able to satisfy particular standards for completeness. You can help by adding missing items with reliable sources .
For example, Rawls' maximin considers a group's utility to be the same as the utility of the member who is worst off. The "happy" utility monster of total utilitarianism is ineffective against maximin, because as soon as a monster has received enough utility to no longer be the worst-off in the group, there's no need to accommodate it.
Act utilitarianism is a utilitarian theory of ethics that states that a person's act is morally right if and only if it produces the best possible results in that specific situation. Classical utilitarians, including Jeremy Bentham , John Stuart Mill , and Henry Sidgwick , define happiness as pleasure and the absence of pain.
The utilitarian rule is easy to interpret and implement when the functions u i represent some tangible, measurable form of utility. For example: [1]: 44 Consider a problem of allocating wood among builders.
Rule utilitarianism is a form of utilitarianism that says an action is right as it conforms to a rule that leads to the greatest good, or that "the rightness or wrongness of a particular action is a function of the correctness of the rule of which it is an instance". [1]
Preference utilitarianism (also known as preferentialism) is a form of utilitarianism in contemporary philosophy. [1] Unlike value monist forms of utilitarianism, preferentialism values actions that fulfill the most personal interests for the entire circle of people affected by said action.
For example, rule utilitarianism was criticized for implying that in some cases an individual should pursue a course of action that would obviously not maximise utility. Conversely, act utilitarianism was criticized for not allowing for a 'human element' in its calculations, i.e. it is sometimes too difficult (or impossible) for an ordinary person.